CN105845236B - A kind of VELCRO sleeve pipe internal screening railway digital signal cable - Google Patents
A kind of VELCRO sleeve pipe internal screening railway digital signal cable Download PDFInfo
- Publication number
- CN105845236B CN105845236B CN201610292346.2A CN201610292346A CN105845236B CN 105845236 B CN105845236 B CN 105845236B CN 201610292346 A CN201610292346 A CN 201610292346A CN 105845236 B CN105845236 B CN 105845236B
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- CN
- China
- Prior art keywords
- layer
- velcro
- cable
- outside
- cable core
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- 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.)
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—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
-
- 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
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
Abstract
The invention provides a kind of VELCRO sleeve pipe internal screening railway digital signal cable, including cable core and the sheath being coated on outside cable core, the cable core includes at least one shielding quad, described shielding quad is twisted by the insulated single wire of four different colours, and its outside is coated with high fire-retardance heat-shrinkable T bush and VELCRO liner shields layer successively；Sheath outside the cable core includes cable core belting layer, metal screen layer, polyethylene bonding sheath, double-tape armor layer and oversheath successively from the inside to the outside.This cable manufacturing process is simple, and production efficiency is high, and steady quality is easy to use.Using VELCRO liner shields layer, cable has superior heat conductivility, and shield effectiveness is good, corrosion-resistant, anti-aging, anti-wear performance is good, fatigue performance is stronger.Shielding quad therein is coated using high fire-retardance heat-shrinkable T bush, and core insulation will not be damaged in production process, enhances the fire resistance of cable.
Description
Technical field
The invention belongs to railway digital signal cable technical field, covers tube inner shield more particularly, to a kind of VELCRO
Railway digital signal cable.
Background technology
China is used as a typical continental country, populous, vast in territory, and economic link and contacts span are big,
And railway is as important infrastructure, the main artery of national economy and the popular vehicles, therefore, the security of train
It is self-evident.In existing internal screening railway digital signal cable production process, the cladding of shielding is mainly using wrapped or vertical
The mode of bag, the internal screening railway digital signal cable produced using both modes, copper strips broken belt or copper strips often occurs
The quality problems that seam crossing splits, due to copper strips broken belt point and copper strips seam crossing splitting point can not be found in time, therefore, searching
It is extremely difficult when broken belt point or seam crossing cracking point, and quad is shielded after pullling repeatedly, it is also difficult to ensure it
Quality, for still unskilled operative employee, even more waste time and energy, increase the manufacturing cost of cable.
The content of the invention
In view of this, the invention is intended to overcome defect present in above-mentioned prior art, proposes a kind of VELCRO set
Tube inner shield railway digital signal cable.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
A kind of VELCRO sleeve pipe internal screening railway digital signal cable, including cable core and the sheath that is coated on outside cable core, institute
Stating cable core includes at least one shielding quad, described shielding quad it is twisted by the insulated single wire of four different colours and
Into its outside is coated with high fire-retardance heat-shrinkable T bush and VELCRO liner shields layer successively；Sheath outside the cable core is from the inside to the outside
Include cable core belting layer, metal screen layer, polyethylene bonding sheath, double-tape armor layer and oversheath successively.
Further, an at least aerial drainage is provided between the high fire-retardance heat-shrinkable T bush and the VELCRO liner shields layer
Line.
Further, the insulated single wire is made up of conductor and the insulating barrier being coated on outside the conductor；The insulating barrier is
The three-layer co-extruded physical blowing structure of skin-bubble-skin.
Further, the hook that the copper free wire crocheted that the VELCRO liner shields layer includes setting gradually from the inside to the outside forms
Knitmesh, carbon fiber wire braiding layer and rubber cover composition, VELCRO is provided with the side of its length direction.
Further, the metal screen layer is bellows aluminium sheath screen layer.
Further, the oversheath is LSOH anti-flaming oversheath.
Relative to prior art, the invention has the advantage that：
This cable manufacturing process is simple, and production efficiency is high, and steady quality is easy to use.Using VELCRO liner shields layer,
Cable has superior heat conductivility, and shield effectiveness is good, corrosion-resistant, anti-aging, anti-wear performance is good, fatigue performance is stronger.Its
In shielding quad coated using high fire-retardance heat-shrinkable T bush, will not damage core insulation in production process, strengthen cable
Fire resistance.
Brief description of the drawings
The accompanying drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made is used to explain the invention, does not form the improper restriction to the invention.
In accompanying drawing：
Fig. 1 is the structural representation of the invention.
Description of reference numerals：
1st, quad is shielded；2nd, insulated single wire；3rd, insulating barrier；4th, high fire-retardance heat-shrinkable T bush；5th, aerial drainage line；6th, VELCRO set
Tube shield layer；7th, cable core belting layer；8th, metal screen layer；9th, polyethylene bonding sheath；10th, double-tape armor layer；11st, outer shield
Set.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Describe the invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of VELCRO sleeve pipe internal screening railway digital signal cable, as shown in figure 1, including cable core and being coated on outside cable core
Sheath, the cable core include it is at least one shielding quad 1, described shielding quad 1 by four different colours insulation
Single line 2 is twisted, and its outside is coated with high fire-retardance heat-shrinkable T bush 4 and VELCRO liner shields layer 6 successively；Outside the cable core
Sheath from the inside to the outside successively include cable core belting layer 7, metal screen layer 8, polyethylene bonding sheath 9, double-tape armor layer 10 and
Oversheath 11.
Wherein, an at least aerial drainage line is provided between the high fire-retardance heat-shrinkable T bush 4 and the VELCRO liner shields layer 6
5.The aerial drainage line 5 is preferably close to the high fire-retardance heat-shrinkable T bush 4 and the VELCRO liner shields layer 6 is set, and can so prevent
Play, damage occur in wiring or use for aerial drainage line 5, and influence using effect.
The cable core can include two shielding quads 1.Insulated single wire 2 therein is by conductor and is coated on outside the conductor
The insulating barrier 3 in portion forms；The insulating barrier 3 is the three-layer co-extruded physical blowing structure of skin-bubble-skin.It is exhausted cable can be effectively improved
Edge resistance, the sending allowance of cable is reduced, reduce the mutual capacitance of cable, so as to greatly improve the security reliability of cable.
Wherein, the hook that the copper free wire crocheted that the VELCRO liner shields layer 6 includes setting gradually from the inside to the outside forms
Knitmesh, carbon fiber wire braiding layer and rubber cover composition, VELCRO is provided with the side of its length direction.Can be in market
It is upper to buy the VELCRO shielded tube for meeting technical requirements, middle production link can be so saved, reduces quality of production risk, carries
Height shielding quad production efficiency.
Wherein, the metal screen layer 8 is bellows aluminium sheath screen layer, has ripple struction, structural strength is high, is not easy
Deformation, shield effectiveness is good, and production efficiency is high, and manufacturing cost is low.Cable has higher tensile strength and bending property.
Wherein, the oversheath 11 is LSOH anti-flaming oversheath.Cable has heatproof, moistureproof and waterproof performance, and energy
The internal cable core of protection exempts from external impact damage.
This cable manufactures process：By the VELCRO shielded tube of buying on the special threading device it is standby, then
The insulated single wire of four different colours is twisted into quad, and in outer cladding high fire-retardance heat-shrinkable T bush, then by aerial drainage wire
It is arranged on high fire-retardance heat-shrinkable T bush, then VELCRO liner shields layer is directly sleeved on by threading device and is coated with high fire-retardance heat
In the quad of Heat-Shrinkable Tubings 4 and aerial drainage line 5, a shielding quad 1 is made, after confirming that its VELCRO is in closure state, then will
All shielding quads are made by twisting cable core together, then coated successively outside cable core cable core belting layer 7, metal screen layer 8,
Polyethylene bonding sheath 9, double-tape armor layer 10 and oversheath 11.
This cable manufacturing process is simple, and production efficiency is high, and steady quality is easy to use.Using VELCRO liner shields layer,
Cable has superior heat conductivility, and shield effectiveness is good, corrosion-resistant, anti-aging, anti-wear performance is good, fatigue performance is stronger.Its
In shielding quad coated using high fire-retardance heat-shrinkable T bush, will not damage core insulation in production process, strengthen cable
Fire resistance, the security reliability of train can be effectively improved.
The preferred embodiment of the invention is the foregoing is only, is not intended to limit the invention creation, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc., the invention should be included in
Protection domain within.
Claims (4)
- A kind of 1. VELCRO sleeve pipe internal screening railway digital signal cable, it is characterised in that：Including cable core and it is coated on outside cable core Sheath, the cable core includes at least one shielding quad, described shielding quad by four different colours insulation list Line is twisted, and high fire-retardance heat-shrinkable T bush and VELCRO liner shields layer are coated with successively on the outside of shielding quad；The cable core Outer sheath includes cable core belting layer, metal screen layer, polyethylene bonding sheath, double-tape armor layer and outer successively from the inside to the outside Sheath；An at least aerial drainage line, and aerial drainage line is provided between the high fire-retardance heat-shrinkable T bush and the VELCRO liner shields layer It is close to the high fire-retardance heat-shrinkable T bush and the VELCRO liner shields layer is set；The VELCRO liner shields layer is included by interior Crocheted net, carbon fiber wire braiding layer and the rubber cover formed to the copper free wire crocheted set gradually outside, in VELCRO set VELCRO is provided with the side of tube shield layer length direction.
- A kind of 2. VELCRO sleeve pipe internal screening railway digital signal cable according to claim 1, it is characterised in that：It is described Insulated single wire is made up of conductor and the insulating barrier being coated on outside the conductor；The insulating barrier is skin-three-layer co-extruded thing of bubble-skin Haircut bubble structure.
- A kind of 3. VELCRO sleeve pipe internal screening railway digital signal cable according to claim 1, it is characterised in that：It is described Metal screen layer is bellows aluminium sheath screen layer.
- A kind of 4. VELCRO sleeve pipe internal screening railway digital signal cable according to claim 1, it is characterised in that：It is described Oversheath is LSOH anti-flaming oversheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292346.2A CN105845236B (en) | 2016-05-05 | 2016-05-05 | A kind of VELCRO sleeve pipe internal screening railway digital signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292346.2A CN105845236B (en) | 2016-05-05 | 2016-05-05 | A kind of VELCRO sleeve pipe internal screening railway digital signal cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105845236A CN105845236A (en) | 2016-08-10 |
| CN105845236B true CN105845236B (en) | 2018-03-20 |
Family
ID=56591469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292346.2A Active CN105845236B (en) | 2016-05-05 | 2016-05-05 | A kind of VELCRO sleeve pipe internal screening railway digital signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105845236B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0513136D0 (en) * | 2005-06-29 | 2005-08-03 | Icore Internat Ltd | Electrical-cable shielding |
| CN201689723U (en) * | 2010-03-26 | 2010-12-29 | 南车青岛四方机车车辆股份有限公司 | Composite shielding net for electric cable |
| CN102231303B (en) * | 2011-04-19 | 2012-11-07 | 江苏通鼎光电科技有限公司 | Shielding digital communication cable |
| CN202758636U (en) * | 2012-06-21 | 2013-02-27 | 大连长之琳科技发展有限公司 | Enhanced shielding sheath |
| CN102800398B (en) * | 2012-08-14 | 2014-05-14 | 江苏通鼎光电科技有限公司 | Copper strip welded embossing type internal shielding railway digital signal cable |
| CN203276890U (en) * | 2013-03-28 | 2013-11-06 | 江苏赛特电气有限公司 | Oil-sludge-resistant and high-flame-retardant intrinsic safe computer cable for oil platform |
| CN205751614U (en) * | 2016-05-05 | 2016-11-30 | 江苏通鼎光电科技有限公司 | A kind of VELCRO sleeve pipe internal screening railway digital signal cable |
-
2016
- 2016-05-05 CN CN201610292346.2A patent/CN105845236B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105845236A (en) | 2016-08-10 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180427 Address after: 215233 Xiaoping Avenue, eight Du Economic Development Zone, Zhen Ze town, Wujiang, Suzhou, Jiangsu 8 Co-patentee after: JiangSu Tongding Optic-Electronic Stock Co., Ltd. Patentee after: The logical interconnected information limited company of ancient cooking vessel Address before: 215233 eight Development Zone, Zhen Ze town, Wujiang District, Suzhou, Jiangsu Patentee before: JiangSu Tongding Optic-Electronic Stock Co., Ltd. |
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