CN107045903A - A kind of internal screening railway digital signal cable - Google Patents
A kind of internal screening railway digital signal cable Download PDFInfo
- Publication number
- CN107045903A CN107045903A CN201710096786.5A CN201710096786A CN107045903A CN 107045903 A CN107045903 A CN 107045903A CN 201710096786 A CN201710096786 A CN 201710096786A CN 107045903 A CN107045903 A CN 107045903A
- Authority
- CN
- China
- Prior art keywords
- layer
- outside
- digital signal
- sheath
- copper
- 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.)
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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
- 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
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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
-
- 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
- H01B7/28—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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
Abstract
The invention is provided is sequentially provided with polyester belt lapping layer, copper sheath, inner cushion layer, steel-tape armouring layer and oversheath from the inside to the outside on the outside of a kind of internal screening railway digital signal cable, including cable core and cable core；The cable core includes at least one shielding quad, and the shielding quad includes the insulated single wire of four mutually stranded settings of different colours, is sequentially provided with bundle yarn, PE reticulate pattern strips lapping layer, copper strip shielding layer and inner sheath from the inside to the outside on the outside of insulated single wire；The insulated single wire includes silver-plated copper conductor and its insulating barrier in outside.The conductor of this internal screening railway digital signal cable, the copper strip shielding layer of shielding quad are made using silver-plated copper, simultaneously, silver-plated copper sheath is used as the copper sheath of outer shield, therefore, this cable loop resistance is small, conduct electricity very well, decay resistance strong, stable chemical performance, shielding properties are superior, and cable security reliability is high.
Description
Technical field
The invention belongs to cable design and production technical field, more particularly, to a kind of internal screening railway digital signal
Cable.
Background technology
In recent years, with the fast development of world's high-speed railway, the operation area of bullet train and running environment are constantly opened up
Exhibition, train be frequently necessary in the environment of some interference of electromagnetic field run, at the same time, also to carry transmission control information,
The internal screening railway digital signal cable of monitoring information and electric energy proposes higher requirement, not only requires internal screening railway numeral
Signal cable high mechanical strength, also requires that internal screening railway digital signal cable must have superior shielding properties to ensure electricity
The security reliability of cable information transfer.Conductor and shielding in internal screening railway digital signal cable of the prior art, cable core
The screen layer of quad is mainly made using pure copper material, and outer shield is mainly shielded using aluminium sheath, is used
The internal screening railway digital signal cable loop resistance that above-mentioned material is made is big, and oxidative phenomena easily occurs for conductor and screen layer,
Cable service life is short, and this will seriously increase railway construction expense, and the shielding properties of influence cable and the safety of information transfer can
By property.
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 inner shield iron
Railway digital signal cable.
To reach above-mentioned purpose, what the technical scheme of the invention was realized in：
Be sequentially provided with from the inside to the outside on the outside of a kind of internal screening railway digital signal cable, including cable core and cable core polyester belt around
Covering, copper sheath, inner cushion layer, steel-tape armouring layer and oversheath；The cable core includes at least one shielding quad, the shielding
Quad includes the insulated single wire of four mutually stranded settings of different colours, is sequentially provided with bundle from the inside to the outside on the outside of insulated single wire
Yarn, PE reticulate pattern strips lapping layer, copper strip shielding layer and inner sheath；The insulated single wire includes the insulation in silver-plated copper conductor and its outside
Layer.
Further, described copper strip shielding layer is silver-plated copper band screen layer.
Further, described copper sheath is silver-plated copper sheath.
Further, it is provided with aerial drainage wire between described PE reticulate pattern strips lapping layer and copper strip shielding layer.
Further, described insulating barrier is three-layer co-extruded skin-bubble-skin physical blowing structure.
Further, described oversheath is pe sheath or LSOH anti-flaming sheath.
Relative to prior art, the invention has the advantage that：
1) conductor of this internal screening railway digital signal cable, the copper strip shielding layer of shielding quad use silver-plated copper
Make, meanwhile, silver-plated copper sheath is used as the copper sheath of outer shield, therefore, this cable loop resistance is small, conduct electricity very well,
Decay resistance is strong, stable chemical performance, shielding properties are superior, and cable security reliability is high.
2) polyester belt lapping layer, copper sheath, inner cushion layer, steel-tape armouring layer and oversheath are set outside cable core, there is cable
Superior shielding, heatproof, protection against the tide, resistance to compression, anti-animal tooth such as sting at the function.
Brief description of the drawings
The accompanying drawing for constituting 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 constitute 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, copper conductor；4th, insulating barrier；5th, yarn is pricked；6th, PE reticulate pattern strips lapping layer；7、
Aerial drainage wire；8th, copper strip shielding layer；9th, inner sheath；10th, polyester belt lapping layer；11st, copper sheath；12nd, inner cushion layer；13rd, steel band armour
Fill layer；14th, oversheath.
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 indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the invention.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or two
More than individual.
, 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 to 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 internal screening railway digital signal cable, as shown in figure 1, including being set successively from the inside to the outside on the outside of cable core and cable core
There are polyester belt lapping layer 10, copper sheath 11, inner cushion layer 12, steel-tape armouring layer 13 and oversheath 14；The cable core includes at least one
Individual shielding quad 1, the shielding quad 1 includes the insulated single wire 2 of four mutually stranded settings of different colours, in insulated single wire
Outside is sequentially provided with bundle yarn 5, PE reticulate pattern strips lapping layer 6, copper strip shielding layer 8 and inner sheath 9 from the inside to the outside；In order to further improve
The intensity and tensile property of this cable, can set center reinforcemen in cable core, specifically, can be twisted with each shielding quad
Close and set, generally, the preferred metalloid core reinforcer of center reinforcemen；The insulated single wire includes silver-plated copper conductor 3 and its outer
The insulating barrier 4 of side.
Silver-plated copper conductor 3 is preferred to use stranded soft copper conductor, solves inter-city rail transit cable in the prior art and is applying
If because conductor is hard in installation process, conductor is the problems such as the fracture and constructional difficulties occurred after bending repeatedly.
Above-mentioned copper strip shielding layer 8 is silver-plated copper band screen layer.Above-mentioned copper sheath 11 is silver-plated copper sheath.The loop of cable
Resistance is small, conduct electricity very well, decay resistance strong, stable chemical performance, shielding properties are superior.
Aerial drainage wire 7 is provided between above-mentioned PE reticulate pattern strips lapping layer 6 and copper strip shielding layer, above-mentioned insulating barrier is three
Skin-bubble-skin physical blowing structure of layer co-extrusion.Safety in utilization is higher.
Above-mentioned oversheath 14 is polyethylene or LSOH anti-flaming sheath.Make cable that there is Halogen, low cigarette, anti-flammability
Can, extend the service life of cable.
During making, the insulated single wire 2 of four different colours is first twisted into quad, and outside around wrapping yarn 5 and cladding
Aerial drainage wire 7, is then arranged on PE reticulate pattern strips lapping layer 6 by PE reticulate pattern strips lapping layer 6, will be plated using vertical bag or around-packing technology
Silver-bearing copper band is coated on the insulated single wire 2 of four mutually stranded settings of different colours for being coated with PE reticulate pattern strips lapping layer 6 and made
Into copper strip shielding layer 8, inner sheath 9 is coated again outside copper strip shielding layer 8, then all line groups are made by twisting cable core together, so
Coat polyester belt lapping layer 10, copper sheath 11, inner cushion layer 12, steel-tape armouring layer 13 and oversheath 14 successively outside cable core afterwards, i.e.,
The silver-plated copper internal screening railway digital signal cable of the present invention is made.Cable anti false film can be set on the outside of oversheath.
The conductor of this internal screening railway digital signal cable, the copper strip shielding layer of shielding quad use silver-plated copper
Make, meanwhile, silver-plated copper sheath is used as the copper sheath of outer shield, therefore, this cable loop resistance is small, conduct electricity very well,
Decay resistance is strong, stable chemical performance, shielding properties are superior, and cable security reliability is high.Meanwhile, polyester belt is set outside cable core
Lapping layer, copper sheath, inner cushion layer, steel-tape armouring layer and oversheath, make cable have superior shielding, heatproof, protection against the tide, resistance to compression,
Anti- animal tooth such as stings at the function, fully meets the use requirement of current high-speed railway.
The preferred embodiment of the invention is the foregoing is only, creation is not intended to limit the invention, it is all at this
Within the spirit and principle of innovation and creation, any modification, equivalent substitution and improvements made etc. should be included in the invention
Protection domain within.
Claims (6)
1. a kind of internal screening railway digital signal cable, it is characterised in that：Including being set successively from the inside to the outside on the outside of cable core and cable core
There are polyester belt lapping layer, copper sheath, inner cushion layer, steel-tape armouring layer and oversheath；The cable core includes at least one four line of shielding
Group, the shielding quad includes the insulated single wire of four mutually stranded settings of different colours, on the outside of insulated single wire from the inside to the outside
It is sequentially provided with bundle yarn, PE reticulate pattern strips lapping layer, copper strip shielding layer and inner sheath；The insulated single wire include silver-plated copper conductor and its
The insulating barrier in outside.
2. a kind of internal screening railway digital signal cable according to claim 1, it is characterised in that：Described copper strip shielding
Layer is silver-plated copper band screen layer.
3. a kind of internal screening railway digital signal cable according to claim 1, it is characterised in that：Described copper sheath is
Silver-plated copper sheath.
4. a kind of internal screening railway digital signal cable according to claim 1, it is characterised in that：Described PE reticulate pattern strips
Aerial drainage wire is provided between lapping layer and copper strip shielding layer.
5. a kind of internal screening railway digital signal cable according to claim 1, it is characterised in that：Described insulating barrier is
Three-layer co-extruded skin-bubble-skin physical blowing structure.
6. a kind of internal screening railway digital signal cable according to claim 1, it is characterised in that：Described oversheath is
Pe sheath or LSOH anti-flaming sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710096786.5A CN107045903A (en) | 2017-02-22 | 2017-02-22 | A kind of internal screening railway digital signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710096786.5A CN107045903A (en) | 2017-02-22 | 2017-02-22 | A kind of internal screening railway digital signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107045903A true CN107045903A (en) | 2017-08-15 |
Family
ID=59544543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710096786.5A Pending CN107045903A (en) | 2017-02-22 | 2017-02-22 | A kind of internal screening railway digital signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107045903A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378115A (en) * | 2018-10-29 | 2019-02-22 | 通鼎互联信息股份有限公司 | A kind of high intensity railway signal cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201804589U (en) * | 2010-09-28 | 2011-04-20 | 安徽新科电缆集团股份有限公司 | Cable capable of shielding digital signals in railways |
| CN102276903A (en) * | 2011-08-19 | 2011-12-14 | 宝应县大明电缆附件有限公司 | Production method for polyethylene (PE) textured longitudinal wrapped belt of railway internal screening digital signal cable |
| CN202796239U (en) * | 2012-08-14 | 2013-03-13 | 江苏通鼎光电科技有限公司 | Copper strip welded embossed internal shielding railway digital signal cable |
| CN205582613U (en) * | 2016-05-06 | 2016-09-14 | 江苏通鼎光电科技有限公司 | Zip fastener formula sleeve pipe internal shield railway digital signal cable |
| CN206601979U (en) * | 2017-02-22 | 2017-10-31 | 江苏通鼎光电科技有限公司 | A kind of internal screening railway digital signal cable |
-
2017
- 2017-02-22 CN CN201710096786.5A patent/CN107045903A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201804589U (en) * | 2010-09-28 | 2011-04-20 | 安徽新科电缆集团股份有限公司 | Cable capable of shielding digital signals in railways |
| CN102276903A (en) * | 2011-08-19 | 2011-12-14 | 宝应县大明电缆附件有限公司 | Production method for polyethylene (PE) textured longitudinal wrapped belt of railway internal screening digital signal cable |
| CN202796239U (en) * | 2012-08-14 | 2013-03-13 | 江苏通鼎光电科技有限公司 | Copper strip welded embossed internal shielding railway digital signal cable |
| CN205582613U (en) * | 2016-05-06 | 2016-09-14 | 江苏通鼎光电科技有限公司 | Zip fastener formula sleeve pipe internal shield railway digital signal cable |
| CN206601979U (en) * | 2017-02-22 | 2017-10-31 | 江苏通鼎光电科技有限公司 | A kind of internal screening railway digital signal cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378115A (en) * | 2018-10-29 | 2019-02-22 | 通鼎互联信息股份有限公司 | A kind of high intensity railway signal cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170815 |
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| RJ01 | Rejection of invention patent application after publication |