CN105761830A - Ultralow temperature-resistant environment-friendly crosslinked polyolefin cable for wind power generation - Google Patents
Ultralow temperature-resistant environment-friendly crosslinked polyolefin cable for wind power generation Download PDFInfo
- Publication number
- CN105761830A CN105761830A CN201610191600.XA CN201610191600A CN105761830A CN 105761830 A CN105761830 A CN 105761830A CN 201610191600 A CN201610191600 A CN 201610191600A CN 105761830 A CN105761830 A CN 105761830A
- Authority
- CN
- China
- Prior art keywords
- cable
- power generation
- wind power
- core
- low temperature
- 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.)
- Withdrawn
Links
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
- H01B7/02—Disposition of insulation
-
- 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
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/021—Features relating to screening tape per se
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses an ultralow temperature-resistant environment-friendly crosslinked polyolefin cable for wind power generation. A cable core is formed by twisting a plurality of leads, each lead includes a conductor, a semiconductive layer, an insulating layer and a shielding layer, through optimized design of the leads, electromagnetic field distribution is guaranteed to be uniform, electromagnetic radiation is prevented, thereby greatly improving stability of signal transmission of the cable, the insulating layer and a sheath layer have excellent low temperature-resistant performance, and the cable is particularly suitable for a field wind power generation environment; aramid fibers are added to a middle part of the cable core, the cable core is further guaranteed to be stable in structure, and when the cable is bent and twisted, power core wires and control core wires do not shake in position; and a reinforcing core is arranged between two adjacent leads, so that stretch resistance of the cable is guaranteed, and when the cable is bent, the lead can be effectively protected.
Description
Technical field
The present invention relates to field of cable technology, particularly relate to a kind of resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation.
Background technology
Currently, China's electric wire Market competition, hastening towards saturation day, emerging wind-power market is that cable industry provides the rare market opportunity.Large-scale develop and utilize wind energy, to plan power grid construction and communication construction when planning Construction of Wind Power simultaneously, power cable, communication cable are proposed requirement.In wind-power electricity generation, have for the flexible cable in cabin, control cable, data cable etc., have for the cotton covered wire in built and power cable etc..
Cable for wind-power electricity generation to meet following performance: cable for wind power generation is used in the area that weather conditions are severe more, and temperature is cold, and day and night temperature is big, should have good lower temperature resistance, and UV resistant, weather-resistant performance are excellent；Cable for wind power generation divides mobile and fixed installation cable by use occasion, and movement cable need to frequently reverse, and should have good anti-torsion performance and bending property；Cable for wind power generation contacts greasy dirt sometimes, can suffer seawater corrosion in particular circumstances, should have oil resistant and decay resistance；There is good fire resistance.Lower temperature resistance and the elasticity of existing wind-power electricity generation power cable are not good enough, it is impossible to meet the requirement of cable for wind power generation.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation.
The one resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation that the present invention proposes, including: cable core, lapping layer, restrictive coating；
Cable core includes multiple conducting wires, each wire includes conductor, semi-conductive layer, insulating barrier, screen layer, conductor adopts the braiding of multiply copper free wire to form, semi-conductive layer is coated on outside conductor, insulating barrier is coated on outside semi-conductive layer, and insulating barrier adopts cross-linked polyolefin insulant to make, and screen layer is coated on outside insulating barrier, screen layer adopts the vertical bag of copper strips to form, the stranded formation cable core of multiple conducting wires；
Lapping layer is coated on outside cable core, and restrictive coating is coated on outside lapping layer, and restrictive coating adopts polyolefin jacket material to extrude and forms.
Preferably, semi-conductive layer adopts semiconductive polythene material to make.
Preferably, it is filled with aramid fiber in the middle part of cable core.
Preferably, two wires of arbitrary neighborhood are provided with strengthening core away from aramid fiber side.
Preferably, strengthening core includes being positioned at the steel wire at middle part and being coated on the elastomeric layer outside steel wire.
Preferably, strengthening core abuts against two wire outer walls.
Preferably, many strengthening cores are circumferentially uniformly distributed in cable core.
In the present invention, proposed resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation, cable core is formed by multiple conducting wires is stranded, each wire includes conductor, semi-conductive layer, insulating barrier, screen layer, by the optimization of wire is designed, it is ensured that cable core magnetic distribution is uniform, prevent electromagnetic radiation, thus being greatly improved the stability of wired signal transmission, and insulating barrier and restrictive coating resistance to low temperature are excellent, are particularly suitable for field wind-power electricity generation environment and use；By increasing aramid fiber in the middle part of cable core, being further ensured that cable core structure is stable, during cable bend twisting, electric power heart yearn and control heart yearn position are not rocked；By arranging strengthening core between adjacent two wires, ensure the stretch-proof performance of cable on the one hand, on the other hand, when cable bends, it is possible to effectively protect wire.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation that the present invention proposes.
Detailed description of the invention
As it is shown in figure 1, the structural representation that Fig. 1 is a kind of resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation that the present invention proposes.
Reference Fig. 1, the one resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation that the present invention proposes, including: cable core, lapping layer 1, restrictive coating 2；
Cable core includes multiple conducting wires 3, each wire 3 includes conductor 31, semi-conductive layer 32, insulating barrier 33, screen layer 34, conductor 31 adopts the braiding of multiply copper free wire to form, it is outside that semi-conductive layer 32 is coated on conductor 31, semi-conductive layer 32 adopts semiconductive polythene material to make, it is outside that insulating barrier 33 is coated on semi-conductive layer 32, insulating barrier 33 adopts cross-linked polyolefin insulant to make, it is outside that screen layer 34 is coated on insulating barrier 33, screen layer 34 adopts the vertical bag of copper strips to form, the stranded formation cable core of multiple conducting wires 3, is filled with aramid fiber 4 in the middle part of cable core；
Lapping layer 1 is coated on outside cable core, and it is outside that restrictive coating 2 is coated on lapping layer 1, and restrictive coating 2 adopts polyolefin jacket material to extrude and forms.
In specific design; two wires 3 of arbitrary neighborhood are provided with strengthening core 5 away from aramid fiber 4 side; strengthening core 5 abuts against two wire 3 outer walls; strengthening core 5 includes the steel wire 51 being positioned at middle part and is coated on the elastomeric layer 52 outside steel wire 51; many strengthening cores 5 are circumferentially uniformly distributed in cable core; when cable is bent or distorts external force, strengthening core and packing material common guarantee cable core inner structure in cable core are stable, and can effectively protect wire.
In the present embodiment, proposed resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation, cable core is formed by multiple conducting wires is stranded, each wire includes conductor, semi-conductive layer, insulating barrier, screen layer, by the optimization of wire is designed, it is ensured that cable core magnetic distribution is uniform, prevent electromagnetic radiation, thus being greatly improved the stability of wired signal transmission, and insulating barrier and restrictive coating resistance to low temperature are excellent, are particularly suitable for field wind-power electricity generation environment and use；By increasing aramid fiber in the middle part of cable core, being further ensured that cable core structure is stable, during cable bend twisting, electric power heart yearn and control heart yearn position are not rocked；By arranging strengthening core between adjacent two wires, ensure the stretch-proof performance of cable on the one hand, on the other hand, when cable bends, it is possible to effectively protect wire.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation, it is characterised in that including: cable core, lapping layer (1), restrictive coating (2)；
Cable core includes multiple conducting wires (3), each wire (3) includes conductor (31), semi-conductive layer (32), insulating barrier (33), screen layer (34), conductor (31) adopts the braiding of multiply copper free wire to form, it is outside that semi-conductive layer (32) is coated on conductor (31), it is outside that insulating barrier (33) is coated on semi-conductive layer (32), insulating barrier (33) adopts cross-linked polyolefin insulant to make, it is outside that screen layer (34) is coated on insulating barrier (33), screen layer (34) adopts the vertical bag of copper strips to form, the stranded formation cable core of multiple conducting wires (3)；
Lapping layer (1) is coated on outside cable core, and it is outside that restrictive coating (2) is coated on lapping layer (1), and restrictive coating (2) adopts polyolefin jacket material to extrude and forms.
2. resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation according to claim 1, it is characterised in that semi-conductive layer (32) adopts semiconductive polythene material to make.
3. resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation according to claim 1, it is characterised in that be filled with aramid fiber (4) in the middle part of cable core.
4. resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation according to claim 3, it is characterised in that two wires (3) of arbitrary neighborhood are provided with strengthening core (5) away from aramid fiber (4) side.
5. resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation according to claim 4, it is characterized in that, strengthening core (5) includes the steel wire (51) being positioned at middle part and the elastomeric layer (52) being coated on steel wire (51) outside.
6. resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation according to claim 4, it is characterised in that strengthening core (5) abuts against two wire (3) outer walls.
7. resistance to ultra low temperature environment protection type cross-linked polyolefin cable used for wind power generation according to claim 4, it is characterised in that many strengthening cores (5) are circumferentially uniformly distributed in cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191600.XA CN105761830A (en) | 2016-03-30 | 2016-03-30 | Ultralow temperature-resistant environment-friendly crosslinked polyolefin cable for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191600.XA CN105761830A (en) | 2016-03-30 | 2016-03-30 | Ultralow temperature-resistant environment-friendly crosslinked polyolefin cable for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105761830A true CN105761830A (en) | 2016-07-13 |
Family
ID=56345868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191600.XA Withdrawn CN105761830A (en) | 2016-03-30 | 2016-03-30 | Ultralow temperature-resistant environment-friendly crosslinked polyolefin cable for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105761830A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036618A (en) * | 2018-08-08 | 2018-12-18 | 远东电缆有限公司 | Coal mining machine converter plant soft rubber cable |
| CN110010298A (en) * | 2019-04-11 | 2019-07-12 | 安徽电气集团股份有限公司 | A kind of resistance to ultraviolet environment-friendly type collection is powered and communicates integrated concentric cable |
-
2016
- 2016-03-30 CN CN201610191600.XA patent/CN105761830A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036618A (en) * | 2018-08-08 | 2018-12-18 | 远东电缆有限公司 | Coal mining machine converter plant soft rubber cable |
| CN110010298A (en) * | 2019-04-11 | 2019-07-12 | 安徽电气集团股份有限公司 | A kind of resistance to ultraviolet environment-friendly type collection is powered and communicates integrated concentric cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105761830A (en) | Ultralow temperature-resistant environment-friendly crosslinked polyolefin cable for wind power generation | |
| CN103886952A (en) | Two-sheath aluminum core inflaming retarding flexible cable for communication power supply | |
| CN203910320U (en) | Cold-resistant, twist-resistant and flame-retardant wind energy power cable | |
| CN211669996U (en) | Lightweight high-flexibility high-temperature-resistant cable | |
| CN202662330U (en) | Flexible cable for weaving shielding type radar | |
| CN205789164U (en) | A kind of twin-core separated type soft power cable of photovoltaic generating system direct current | |
| CN102222541A (en) | Anti-corrosion submarine cable with low armoring loss for communication monitoring | |
| CN103606401B (en) | A kind of reinforcement stretch-proof square cushioning control cable | |
| CN205451902U (en) | Resistant ultra -low temperature environment -friendly crosslinked polyolefin cable for wind power generation | |
| CN212809870U (en) | Reinforced waterproof cable | |
| CN201838355U (en) | Insulating halogen-free environment-friendly type sheath control cable of thermoplastic polyurethane elastic body | |
| CN212208942U (en) | High-flexibility power transmission and signal connection integrated cable for mobile equipment | |
| CN209880245U (en) | Crosslinked polyethylene insulated power cable | |
| CN203787203U (en) | Low-smoke halogen-free flexible super shielding control cable | |
| CN203397736U (en) | Flat watertight cable used for underwater frequent movement | |
| CN105321600A (en) | Tensile and pressure-proof mine self-cooling cable | |
| CN204558135U (en) | Wind energy cable | |
| CN203103010U (en) | Photoelectric mixed cable for medical equipment CT machine | |
| CN204857237U (en) | Ageing -resistant cable of ultraviolet resistance for photovoltaic power generation | |
| CN203102891U (en) | Corrosion resistance and high-temperature resistance control flexible cable | |
| CN203746510U (en) | Cable for mobile devices | |
| CN216772841U (en) | Anti-interference digital communication cable | |
| CN202930085U (en) | Flexible cable for radar | |
| CN212230108U (en) | Efficient cold-resistant bending-resistant flexible cable | |
| CN203520967U (en) | 1.9/3.3 kV and below cable for coal mine frequency conversion apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160713 |