CN103515016B - High speed flexible cable for signal communication - Google Patents
High speed flexible cable for signal communication Download PDFInfo
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- CN103515016B CN103515016B CN201310420326.5A CN201310420326A CN103515016B CN 103515016 B CN103515016 B CN 103515016B CN 201310420326 A CN201310420326 A CN 201310420326A CN 103515016 B CN103515016 B CN 103515016B
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- single line
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
A kind of high speed flexible cable for signal communication of disclosure, including at least three shielding line group by the first wrapped cladding of polyester belt, this shielding line group includes at least two by the stranded stranded single line of 7 first tinned copper wires；This stranded single line outer surface has a single line insulating barrier；The stranded single line of described at least two is by the second wrapped cladding of polyester belt, and this second polyester belt outer surface covers wired resistance screen layer, and a line intercepts absciss layer and is coated on described line resistance screen layer outer surface；Described single line insulating barrier is made up of outer single line insulating barrier and interior single line insulating barrier, and outer single line insulating barrier is formed by with llowing group of materials: true qualities crosslinked polyethylene material 1%～3%, plastic color master material 97%～99%；Line group screen layer is formed by the second tinned copper wire braiding that multiply diameter is φ 0.10～φ 0.15 mm, and count is not less than 90%.The present invention can eliminate the impact on electric field of the metal particle in the color masterbatch being distributed in around conductor, thus reducing the transmission attenuation of cable；And improve the mechanical and physical performance of insulating barrier and the ageing resistace of light, heat.
Description
Technical field
The present invention relates to traffic signal communications cable field, be specifically related to a kind of high speed flexible cable for signal communication.
Background technology
In the rail traffic signal systems such as railway, subway, light rail, for the signal cable of transporting rail traffic signal, its conductor is single copper conductor, and cable shield is the vertical bag or wrapped of copper strips, and armature of cable mode is double; two wrapped armourings of steel band.Conventional signal cable does not possess fire-retardant and fire-resistant dual-use function.The signal cable of said structure, conductor is hardening due to factors such as heating, oxidations in life-time service process, become fragile, and causes end to be easily broken off；The structural limitations of cable makes that its bending property is poor, the flame-retardant poor performance of cable.
Summary of the invention
It is an object of the present invention to provide a kind of high speed flexible cable for signal communication, this high speed flexible cable can eliminate the impact on electric field of the metal particle in the color masterbatch being distributed in around conductor, thus reducing the transmission attenuation of cable；And improve the mechanical and physical performance of insulating barrier and the ageing resistace of light, heat.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of high speed flexible cable for signal communication, including at least three shielding line group by the first wrapped cladding of polyester belt, this shielding line group includes at least two by the stranded stranded single line of 7 first tinned copper wires, in described 7 first tinned copper wires, 1 first tinned copper wire is centrally located position, and all the other 6 first tinned copper wires are stranded in the described first tinned copper wire surface being centrally located；
This stranded single line outer surface has a single line insulating barrier,
The stranded single line of described at least two is by the second wrapped cladding of polyester belt, and this second polyester belt outer surface covers wired group screen and covers layer, and a line group sealing coat is coated on described line group screen layer outer surface；One line group drain wire is between described second polyester belt and line group screen layer；
One cable fire belting layer is coated on described first polyester belt outer surface；
One cable shield armor is coated on described cable fire belting layer outer surface；
One protective coverings of cable is coated on described cable shield armor outer surface；
Described single line insulating barrier is made up of outer single line insulating barrier and interior single line insulating barrier on its inside, interior single line insulating barrier accounts for the 85%～95% of described single line thickness of insulating layer, interior single line insulating barrier is that true qualities are crosslinked polyetylene insulated, and outer single line insulating barrier is formed by with the material of following weight/mass percentage composition:
True qualities crosslinked polyethylene material 1%～3%,
Plastic color master material 97%～99%；
Described line group sealing coat includes synthetic mica paper, and these synthetic mica paper both sides are all covered with glass-fiber-fabric by layer of silicone adhesive；
Described cable shield armor is formed by the braiding of multiply welding wire, and the layers of copper that this welding wire is coated with by the steel wire being centrally located and outer surface forms, and this welding wire diameter is φ 0.10～φ 0.15mm；
Described line group screen layer is formed by the second tinned copper wire braiding that multiply diameter is φ 0.10～φ 0.15mm, and count is not less than 90%, and shielding rejection coefficient is not more than 0.07.
Described line group separation layer thickness ranges for 0.08～0.15mm.
In technique scheme, further improvement opportunity scheme is as follows:
1. in such scheme, described line group drain wire is tin-coated copper single line, its wire diameter φ 0.30～φ 0.50mm.
2. in such scheme, a cable drain wire is between described cable fire belting layer and cable shield armor, and this cable drain wire is tin-coated copper single line, and its wire diameter is φ 0.50～φ 0.80mm.
Owing to technique scheme is used, the present invention compared with prior art has following advantages and effect:
1. the present invention is for the high speed flexible cable of signal communication, adopts the stranded conductor of multiply tin-coated copper single line to substitute single copper conductor, and conductor insulation adopts crosslinked polyetylene insulated；While guaranteeing cable softness, improve Long-term service temperature more than 20 DEG C, improve combined closure system more than 25% simultaneously；Adopt tinned copper wire to carry out braid shielded transmission line group (to line group and quad), it is achieved the electrical isolation between group, improve interference performance between anti-group of cable；Adopt the fire-resistant sealing coat between synthetic mica tape wrapped formation line group, cable conductor is formed the flame retardant coating of cable conductor, improve the refractory ability of cable；Faradic current in the layers of copper transmission shield on welding wire surface, is mainly electric field shielding layer；Core wire is magnetic conductor, is mainly magnetic field shielding layer；The more traditional shielding material (copper, aluminum etc.) of welding wire has higher mechanical strength, can bear bigger mechanism's external force.Said structure, while realizing the functional characteristics such as the electric field shielding of cable, magnetic field shielding, cable protective layer function, simplifies cable sheath structure, and cable is soft, cost is low, it is simple to installation；Cable jacket adopts low smoke halogen-free fire retardant fire resistant sheath material, makes cable possess flame-retarding characteristic.Being innovated by said structure and material, it is achieved thereby that while guaranteeing the transmission performance that cable is stable, the pliability that improve cable is good, improve the reliability of cable, improves flame-retardant characteristic and the environmental protection characteristic of cable.
2. the present invention is for the high speed flexible cable of signal communication, described single line insulating barrier is made up of outer single line insulating barrier and interior single line insulating barrier on its inside, interior single line insulating barrier accounts for the 85%～95% of described single line thickness of insulating layer, interior single line insulating barrier is that true qualities are crosslinked polyetylene insulated, outer single line insulating barrier is formed by with the material of following weight/mass percentage composition: true qualities crosslinked polyethylene material 1%～3%, plastic color master material 97%～99%；Both there is the feature substituting traditional insulation mode, color masterbatch content more than 90% can be reduced again, thus reduce the cost of insulant, color masterbatch is only distributed in the extexine of insulated single wire, eliminate the impact on electric field of the metal particle in the color masterbatch being distributed in around conductor, reduce the transmission attenuation of cable, improve the mechanical and physical performance of insulating barrier and the ageing resistace of light, heat, and mature production technology is stable, the performance indications of product are improved.
3. the present invention is for the high speed flexible cable of signal communication, described cable shield armor is formed by the braiding of multiply welding wire, the layers of copper that this welding wire is coated with by the steel wire being centrally located and outer surface forms, this welding wire diameter is φ 0.10～φ 0.15mm, faradic current in the layers of copper transmission shield on welding wire surface, is mainly electric field shielding layer；Core wire is magnetic conductor, is mainly magnetic field shielding layer；The more traditional shielding material (copper, aluminum etc.) of welding wire has higher mechanical strength, bigger mechanism's external force can be born, while realizing the functional characteristics such as the electric field shielding of cable, magnetic field shielding, cable protective layer function, simplify cable sheath structure, cable is soft, cost is low, it is simple to installation.
Accompanying drawing explanation
Accompanying drawing 1 is shielding line group structural representation of the present invention；
Accompanying drawing 2 is single line insulation layer structure schematic diagram of the present invention；
The high speed flexible cable structural representation that accompanying drawing 3 communicates for signal for the present invention；
Accompanying drawing 4 is line group insulation layer structure schematic diagram of the present invention；
Accompanying drawing 5 is welding wire structural representation of the present invention.
In the figures above: 1, the first polyester belt；2, shielding line group；3, the first tinned copper wire；4, stranded single line；5, single line insulating barrier；51, outer single line insulating barrier；52, interior single line insulating barrier；6, the second polyester belt；7, line group screen layer；8, line group sealing coat；81, synthetic mica paper；82, layer of silicone adhesive；83, glass-fiber-fabric；9, line group drain wire；10, cable fire belting layer；11, cable shield armor；12, protective coverings of cable；13, welding wire；131, steel wire；132, layers of copper；14, cable drain wire.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: a kind of high speed flexible cable for signal communication, including at least three shielding line group 2 by the first wrapped cladding of polyester belt 1, this shielding line group 2 includes at least two by the stranded stranded single line 4 of 7 first tinned copper wires 3, in described 7 first tinned copper wires 3,1 first tinned copper wire is centrally located position, and all the other 6 first tinned copper wires are stranded in the described first tinned copper wire surface being centrally located；
This stranded single line 4 outer surface has a single line insulating barrier 5,
The stranded single line of described at least two 4 is by the second wrapped cladding of polyester belt 6, and this second polyester belt 6 outer surface covers wired group screen and covers layer 7, and a line group sealing coat 8 is coated on described line group screen layer 7 outer surface；One line group drain wire 9 is between described second polyester belt 6 and line group screen layer 7；
One cable fire belting layer 10 is coated on described first polyester belt 1 outer surface；
One cable shield armor 11 is coated on described cable fire belting layer 10 outer surface, described cable shield armor 11 is formed by multiply welding wire 13 braiding, the layers of copper 132 that this welding wire 13 is coated with by the steel wire 131 being centrally located and outer surface forms, and this welding wire 13 diameter is φ 0.10～φ 0.15mm；
One protective coverings of cable 12 is coated on described cable shield armor 11 outer surface；
Described single line insulating barrier 5 is made up of outer single line insulating barrier 51 and interior single line insulating barrier 52 on its inside, interior single line insulating barrier 52 accounts for the 85%～95% of described single line insulating barrier 5 thickness, interior single line insulating barrier 52 is that true qualities are crosslinked polyetylene insulated, and outer single line insulating barrier 51 is formed by with the material of following weight/mass percentage composition:
True qualities crosslinked polyethylene material 1%～3%,
Plastic color master material 97%～99%；
Described line group sealing coat 8 includes synthetic mica paper 81, and these synthetic mica paper 81 both sides are all covered with glass-fiber-fabric 83 by layer of silicone adhesive 82；
Above-mentioned line group screen layer 7 is formed by the second tinned copper wire braiding that multiply diameter is φ 0.10～φ 0.15mm, and count is not less than 90%, and shielding rejection coefficient is not more than 0.07.
Above-mentioned line group sealing coat 8 thickness range is 0.08～0.15mm.
Above-mentioned line group drain wire is tin-coated copper single line, its wire diameter φ 0.30～φ 0.50mm.
One cable drain wire 14 is between described cable fire belting layer 10 and cable shield armor 11, and this cable drain wire 14 is tin-coated copper single line, and its wire diameter is φ 0.50～φ 0.80mm.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1. the high speed flexible cable for signal communication, it is characterized in that: include by least three shielding line group (2) of the first polyester belt (1) wrapped cladding, this shielding line group (2) includes at least two by the stranded stranded single line (4) of 7 first tinned copper wires (3), in described 7 first tinned copper wires (3), 1 first tinned copper wire is centrally located position, and all the other 6 first tinned copper wires are stranded in the described first tinned copper wire surface being centrally located；
This stranded single line (4) outer surface has a single line insulating barrier (5),
The stranded single line of described at least two (4) is by the second polyester belt (6) wrapped cladding, and this second polyester belt (6) outer surface covers wired group screen and covers layer (7), and line group sealing coat (8) is coated on described line group screen layer (7) outer surface；One line group drain wire (9) is positioned between described second polyester belt (6) and line group screen layer (7),
One cable fire belting layer (10) is coated on described first polyester belt (1) outer surface；
One cable shield armor (11) is coated on described cable fire belting layer (10) outer surface；
One protective coverings of cable (12) is coated on described cable shield armor (11) outer surface；
Described single line insulating barrier (5) is made up of outer single line insulating barrier (51) and interior single line insulating barrier (52) on its inside, interior single line insulating barrier (52) accounts for the 85%～95% of described single line insulating barrier (5) thickness, interior single line insulating barrier (52) is crosslinked polyetylene insulated for true qualities, and outer single line insulating barrier (51) is formed by with the material of following weight/mass percentage composition:
True qualities crosslinked polyethylene material 1%～3%,
Plastic color master material 97%～99%；
Described line group sealing coat (8) includes synthetic mica paper (81), and these synthetic mica paper (81) both sides are all covered with glass-fiber-fabric (83) by layer of silicone adhesive (82)；
Described cable shield armor (11) is formed by multiply welding wire (13) braiding, the layers of copper (132) that this welding wire (13) is coated with by the steel wire (131) being centrally located and outer surface forms, and this welding wire (13) diameter is φ 0.10～φ 0.15mm；
Described line group screen layer (7) is formed by the second tinned copper wire braiding that multiply diameter is φ 0.10～φ 0.15mm, and count is not less than 90%, and shielding rejection coefficient is not more than 0.07；
Described line group sealing coat (8) thickness range is 0.08～0.15mm.
2. the high speed flexible cable for signal communication according to claim 1, it is characterised in that: described line group drain wire is tin-coated copper single line, its wire diameter φ 0.30～φ 0.50mm.
3. the high speed flexible cable for signal communication according to claim 1, it is characterized in that: a cable drain wire (14) is positioned between described cable fire belting layer (10) and cable shield armor (11), this cable drain wire (14) is tin-coated copper single line, and its wire diameter is φ 0.50～φ 0.80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420326.5A CN103515016B (en) | 2012-06-29 | 2012-06-29 | High speed flexible cable for signal communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420326.5A CN103515016B (en) | 2012-06-29 | 2012-06-29 | High speed flexible cable for signal communication |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210220808.1A Division CN102768879B (en) | 2012-06-29 | 2012-06-29 | Flame retardant fire-resistant track traffic signal flexible cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103515016A CN103515016A (en) | 2014-01-15 |
| CN103515016B true CN103515016B (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310420326.5A Active CN103515016B (en) | 2012-06-29 | 2012-06-29 | High speed flexible cable for signal communication |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903699A (en) * | 2014-03-05 | 2014-07-02 | 安徽华峰电缆集团有限公司 | Movable anti-flaming pull-resistant flexible cable used for coal mine |
Citations (7)
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|---|---|---|---|---|
| US4547626A (en) * | 1983-08-25 | 1985-10-15 | International Standard Electric Corporation | Fire and oil resistant cable |
| GB2170646A (en) * | 1982-10-01 | 1986-08-06 | Raychem Ltd | Flame retardant cable |
| US4659871A (en) * | 1982-10-01 | 1987-04-21 | Raychem Limited | Cable with flame retarded cladding |
| CN201425847Y (en) * | 2009-06-01 | 2010-03-17 | 江苏亨通线缆科技有限公司 | Low smoke HFFR combined shielding metro light rail signal cable |
| CN201430024Y (en) * | 2009-06-11 | 2010-03-24 | 扬州市金阳光电缆有限公司 | Fireproof anti-explosion signal cable for mine safety system |
| CN102347103A (en) * | 2011-06-28 | 2012-02-08 | 江苏远洋东泽电缆股份有限公司 | Hard EPR (ethylene propylene rubber) insulated instrument cable for ships and oceans and manufacturing method thereof |
| CN102364587A (en) * | 2011-10-25 | 2012-02-29 | 江苏亨通线缆科技有限公司 | Low-attenuation electric wire cable |
-
2012
- 2012-06-29 CN CN201310420326.5A patent/CN103515016B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2170646A (en) * | 1982-10-01 | 1986-08-06 | Raychem Ltd | Flame retardant cable |
| US4659871A (en) * | 1982-10-01 | 1987-04-21 | Raychem Limited | Cable with flame retarded cladding |
| US4547626A (en) * | 1983-08-25 | 1985-10-15 | International Standard Electric Corporation | Fire and oil resistant cable |
| CN201425847Y (en) * | 2009-06-01 | 2010-03-17 | 江苏亨通线缆科技有限公司 | Low smoke HFFR combined shielding metro light rail signal cable |
| CN201430024Y (en) * | 2009-06-11 | 2010-03-24 | 扬州市金阳光电缆有限公司 | Fireproof anti-explosion signal cable for mine safety system |
| CN102347103A (en) * | 2011-06-28 | 2012-02-08 | 江苏远洋东泽电缆股份有限公司 | Hard EPR (ethylene propylene rubber) insulated instrument cable for ships and oceans and manufacturing method thereof |
| CN102364587A (en) * | 2011-10-25 | 2012-02-29 | 江苏亨通线缆科技有限公司 | Low-attenuation electric wire cable |
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| CN103515016A (en) | 2014-01-15 |
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