CN201134289Y - DC soft cable for environment friendly subway tunnel and light rail - Google Patents
DC soft cable for environment friendly subway tunnel and light rail Download PDFInfo
- Publication number
- CN201134289Y CN201134289Y CNU2007200995087U CN200720099508U CN201134289Y CN 201134289 Y CN201134289 Y CN 201134289Y CN U2007200995087 U CNU2007200995087 U CN U2007200995087U CN 200720099508 U CN200720099508 U CN 200720099508U CN 201134289 Y CN201134289 Y CN 201134289Y
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- CN
- China
- Prior art keywords
- direct current
- flexible cable
- current flexible
- light rail
- environment
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to an environment friendly direct current flexible cable for subway tunnels and light rails, which belongs to the technical field of power transmission cables. The environment friendly direct current flexible cable for subway tunnels and light rails comprises a wire core conductor and an insulating layer, and a low smoke halogen-free insulating layer is arranged at the outer side of the wire core conductor. The direct current flexible cable is characterized in that a water proof layer is arranged at the outer side of the low smoke halogen-free insulating layer, an armor layer is arranged at the outer side of the water proof layer, and a low smoke halogen-free sheath layer is arranged at the outer side of the armor layer. The environment friendly direct current flexible cable for subway tunnels and light rails has the advantages of simple structure, safe use, fine water proof effect, fine damp proof effect, flexibility, mechanical shock resistance, crush resistance, gopher protection, temite proofing, flame resistance, environmental protection and the like, and thereby the environment friendly direct current soft cable for subway tunnels and light rails can be widely installed, laid and applied.
Description
Technical field
The utility model belongs to power handling cable technical field, particularly relates to a kind of environment-friendly type subway tunnel, light rail direct current flexible cable.
Background technology
At present, known environment-friendly type subway tunnel, light rail direct current flexible cable are common cable, and it comprises core conductor and insulating barrier, and the core conductor outside is an insulating barrier.This cable does not possess waterproof, humidity resistance, can not resist mechanical shock and extruding, is often caused driving accident by damaged by rats; Contain harmful substances such as fluorine, chlorine, nitrogen in the insulating layer material, do not meet environmental requirement.Fire resistance is poor in use, public arenas such as not environmental protection, particularly traffic, and common cable can not satisfy the low smoke and zero halogen performance requirement, has the technical problem such as safe in utilization of cable.
Summary of the invention
The utility model provides a kind of environment-friendly type subway tunnel, light rail direct current flexible cable for solving the problem that existing known technology exists.
The purpose of this utility model provides a kind of simple in structure, safe in utilization, environment-friendly type subway tunnel, light rail direct current flexible cable with excellent waterproof, protection against the tide, anti-mechanical shock and anti-extruding, mouse bite preventing, performance such as fire-retardant.
The utility model cable mainly is to be urban environmental protection type subway tunnel, the supporting special-purpose flexible cable of light rail.Cable has excellent waterproof, humidity resistance, and the design of comprehensive waterproof layer improved the comprehensive waterproof ability when this cable lays operation under water environment greatly.Adopt the design of anti-mechanical shock and the armour of anti-the extruding, make cable have certain mechanical shock and anti-extrusion performance.Increase the mouse bite preventing characteristic, effectively protect cable, the accident that prevents takes place.Carry out fire-retardant and the environmental protection index design, poison exponent, heavy metal, Cr VI and Polybrominated biphenyl content meet nontoxic standard-required.Make it have application scenario and security feature widely.
The utility model adopts following technical scheme:
Environment-friendly type subway tunnel, light rail direct current flexible cable, comprise core conductor and insulating barrier, there is the low smoke and zero halogen insulating barrier in the core conductor outside, is characterized in: there is watertight composition in the low smoke and zero halogen insulating barrier outside, there is armour in the watertight composition outside, and the armour outside is the low smoke and zero halogen restrictive coating.
The utility model can also be taked following technical measures:
Described environment-friendly type subway tunnel, light rail direct current flexible cable are characterized in: between watertight composition and the armour oxygen barrier layer is housed.
Described environment-friendly type subway tunnel, light rail direct current flexible cable, be characterized in: watertight composition is made of the extruding layer of waterstop and anti-dank material.
Described environment-friendly type subway tunnel, light rail direct current flexible cable are characterized in: the core conductor is the strands flexible conductor.
Described environment-friendly type subway tunnel, light rail direct current flexible cable are characterized in: the core conductor is simple lay or the bundle structure that tangles.
Described environment-friendly type subway tunnel, light rail direct current flexible cable are characterized in: the core conductor is stranded soft tinned conductor.
Advantage that the utlity model has and good effect:
Therefore this cable, is compared with common cable owing to adopted technical solutions of the utility model, has following characteristics:
1, cable has excellent waterproof, humidity resistance: the comprehensive waterproof layer (waterstop+have preferably toughness, wear-resisting and than the extruding layer of low permeability material) design, can satisfy the requirement that this cable is laid under the wet environment for a long time or is immersed in the harsh environment for use in the water fully.
2, anti-mechanical shock and anti-extrusion performance: relative soft conductor structure designs and has the brass band armour design of fine strength and toughness, makes cable have certain mechanical shock and anti-extrusion performance.
3, mouse bite preventing characteristic: the double armor brass band adds that efficient and environment-friendly type protection against rodents repellant outer jacket makes this cable have the mouse bite preventing function.
4, termite-proof characteristic: cable has termite-proof characteristic, can not be snapped the erosion operate as normal under the termite environment.
5, ultraviolet resistance: satisfy the weathering test requirement.
6, fire resistance: the oxygen barrier layer structural design has satisfied the high flame resistance of cable greatly.
7, high flexibility: this cable adopts ethylene-propylene rubber as insulation, has improved the softness of cable, is beneficial to install and lays.
8, high insulating property: specific insulation was greater than 1 * 10 when this cable 20 was spent
15Ω m.
9, environmental protection characteristic: poison exponent, heavy metal, Cr VI and Polybrominated biphenyl content meet nontoxic standard-required.
Description of drawings
Fig. 1 is the utility model environment-friendly type subway tunnel, a light rail direct current flexible cable cross section structure schematic diagram.
Wherein, 1-core conductor, 2-insulating barrier, 3-watertight composition, 4-oxygen barrier layer, 5-armour, 6-restrictive coating.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following example now, and conjunction with figs. is described in detail as follows:
Embodiment 1
With reference to accompanying drawing 1.
Environment-friendly type subway tunnel, light rail direct current flexible cable comprise core conductor 1 and insulating barrier 2, and there is the second third picture glue low smoke and zero halogen insulating barrier 2 in core conductor 1 outside; There is watertight composition 3 in its ethylene-propylene rubber low smoke and zero halogen insulating barrier 2 outsides, and there is oxygen barrier layer 4 in watertight composition 3 outsides, and there is armour 5 in oxygen barrier layer 4 outsides, and armour 5 outsides are low smoke and zero halogen special jacket layer 6.Watertight composition 3 is by waterstop and have toughness preferably, wear-resisting and constitute than the extruding layer design of low permeability material.Core conductor 1 is the soft tinned conductor of bundle strand strands.
Claims (6)
1. an environment-friendly type subway tunnel, light rail direct current flexible cable, comprise core conductor (1) and insulating barrier (2), there is low smoke and zero halogen insulating barrier (2) in core conductor (1) outside, it is characterized in that: there is watertight composition (3) in low smoke and zero halogen insulating barrier (2) outside, there is armour (5) in watertight composition (3) outside, and armour (5) outside is low smoke and zero halogen restrictive coating (6).
2. environment-friendly type subway according to claim 1 tunnel, light rail direct current flexible cable is characterized in that: between watertight composition (3) and the armour (5) oxygen barrier layer (4) is housed.
3. environment-friendly type subway according to claim 1 tunnel, light rail direct current flexible cable is characterized in that: watertight composition (3) is made of the extruding layer of waterstop and anti-dank material.
4. environment-friendly type subway according to claim 1 tunnel, light rail direct current flexible cable is characterized in that: core conductor (1) is the strands flexible conductor.
5. environment-friendly type subway according to claim 1 tunnel, light rail direct current flexible cable is characterized in that: core conductor (1) is simple lay or the bundle structure that tangles.
6. environment-friendly type subway according to claim 1 tunnel, light rail direct current flexible cable is characterized in that: core conductor (1) is stranded soft tinned conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200995087U CN201134289Y (en) | 2007-12-28 | 2007-12-28 | DC soft cable for environment friendly subway tunnel and light rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200995087U CN201134289Y (en) | 2007-12-28 | 2007-12-28 | DC soft cable for environment friendly subway tunnel and light rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201134289Y true CN201134289Y (en) | 2008-10-15 |
Family
ID=40062557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200995087U Expired - Lifetime CN201134289Y (en) | 2007-12-28 | 2007-12-28 | DC soft cable for environment friendly subway tunnel and light rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201134289Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606398A (en) * | 2013-11-29 | 2014-02-26 | 无锡江南电缆有限公司 | Cable for urban light rail subway service |
| CN108122633A (en) * | 2016-11-29 | 2018-06-05 | 江苏河阳电气有限公司 | A kind of charging system for electric automobile uvioresistant cable and preparation method thereof |
-
2007
- 2007-12-28 CN CNU2007200995087U patent/CN201134289Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606398A (en) * | 2013-11-29 | 2014-02-26 | 无锡江南电缆有限公司 | Cable for urban light rail subway service |
| CN108122633A (en) * | 2016-11-29 | 2018-06-05 | 江苏河阳电气有限公司 | A kind of charging system for electric automobile uvioresistant cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081015 |