CN205050594U - Low temperature resistant antitorque commentaries on classics multicore wind energy control cable - Google Patents
Low temperature resistant antitorque commentaries on classics multicore wind energy control cable Download PDFInfo
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- CN205050594U CN205050594U CN201520781739.0U CN201520781739U CN205050594U CN 205050594 U CN205050594 U CN 205050594U CN 201520781739 U CN201520781739 U CN 201520781739U CN 205050594 U CN205050594 U CN 205050594U
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Abstract
The utility model discloses a low temperature resistant antitorque commentaries on classics multicore wind energy control cable contains conductor, insulating layer, packing, interior sheath, weaving layer and outer jacket, the insulating layer setting the conductor outside on the surface, a plurality of conductors with pack uses a packing as the center transposition in the packing, interior sheath, weaving layer and outer jacket all overlap to be established at the conductor and fills the outside and interior sheath, weaving layer and outer jacket set gradually from inside to outside. The utility model discloses can bear the height, low temperature frequently changes, the long -term erosion of sea water salt fog has excellent resistant removals fatigue performance, assurance cable life.
Description
Technical field
The utility model relates to a kind of cable, particularly a kind of low temperature resistant anti-torsion multicore wind energy control cable.
Background technology
Present stage is more and more urgent for the demand of clean energy resource, and the main equipment of the current wind-driven generator of China, technology rely on external import, accessory is also need to provide adequate and systematic service abroad, relevant technology is in monopolization situation, brings very large technology and economic pressures to the maintaining in the expansion of China's wind power generation scale, later stage.The current control cables overwhelming majority is for being fixedly mounted in indoor control cubicle, and environment for use is stablized substantially not by the constraint of external environment change, the polyvinyl chloride (PVC) that insulation, sheath material are commonly used the most.This material resistance to outdoor climate poor performance, long-term mobile fatigue performance are low, and wind-driven generator need to be arranged on national different geographical as: in the Different climate conditions such as sea, plateau, Gobi desert and the change of these regional climates is frequent, fierce; The topmost feature of wind power generation is exactly the fail safe that public attention blade needs to ensure wind according to the continuous rotational vertical of wind direction peak use rate to wind-force and blower fan facility.If conventional control cable Long-Time Service very easily occurs that this mounting condition of phenomenon fan of the hardening eventual failure of catalysis is complicated, plant engineering difficult in maintenance brings immeasurable consequence in such a case.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of low temperature resistant anti-torsion multicore wind energy control cable.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of low temperature resistant anti-torsion multicore wind energy control cable, it is characterized in that: comprise conductor, insulating barrier, filling, sheath, braid and outer jacket, insulating barrier is arranged on conductor outer surface, some conductors and fill and be filled to center with one and be stranded in filling, described sheath, braid and outer jacket are all set in conductor and fill outside and sheath, braid and outer jacket set gradually from inside to outside.
Further, described conductor adopts tin-coated copper wire.
Further, described insulating barrier adopts TPE thermoplastic elastic material.
Further, described polyester fiber of filling employing epidermis parcel elastomeric material.
Further, described sheath and outer jacket adopt polyurethane elastomeric materials.
Further, the count of described braid is not less than 85%.
Further, described conductor and filling are divided into 3 layers, innermost layer one filling, middle 6 conductors, outer 9 conductors and 3 filling mixing.
Further, outside the insulating barrier of described conductor and fill outside and be coated with nanoscale lubrication pulvis or insulation lubricating oil.
The utility model compared with prior art, has the following advantages and effect:
1, high and low temperature frequent variations can be born, the long-term erosion of seawater salt fog, there is excellent resistance to mobile fatigability, ensure that cable useful life;
2, adopt rational structural design, nano lubricating agent, lubricating oil are used between multi-core conductor and ensure mutually to move low frictional dissipation, conductor and fill that rational deployment is jointly stranded ensures that cable has normal temperature, low temperature resistance against torsion;
3, the braid of conductor and nonmagnetic metal shielding material adopts anti-corrosion coating process to improve the anti-environment for use performance of whole cable and the anti-aging useful life of cable, and cable reaches 20 years useful life.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of low temperature resistant anti-torsion multicore wind energy control cable of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
A kind of low temperature resistant anti-torsion multicore wind energy control cable, comprise conductor 1, insulating barrier 2, filling 3, sheath 4, braid 5 and outer jacket 6, insulating barrier 2 is arranged on conductor 1 outer surface, some conductor 1 and fill 3 fill 3 by one centered by be stranded in filling 3, outside sheath 4, braid 5 and outer jacket 6 are all set in conductor 1 and fill 3 and sheath 4, braid 5 and outer jacket 6 set gradually from inside to outside.Conductor adopts tin-coated copper wire.Insulating barrier adopts TPE thermoplastic elastic material, TPE has good electrical insulation properties, comparatively PVC material improves more than 3 times, the control cables voltage test grade of conventional rated voltage 300/500V is 2000V/5min, and voltage test grade is 4000V/5min between the utility model insulated wire cores, the mechanical and physical performance of material excellence has good elasticity and toughness improves travelling performance.TPE temperature resistant grade generally low temperature resistant between-40 DEG C ~ 90 DEG C, cold-resistant type between-55 DEG C ~ 90 DEG C, can bear like this change span of plateau region day and night temperature greatly, winter of extremely southern extremely hot summer and backlands district, pole severe cold etc. national various regions complexity varying environment use.
Fill the polyester fiber adopting epidermis parcel elastomeric material, improve bulk strength and the weatherability of cable.Sheath and outer jacket adopt polyurethane elastomeric materials; conventional control cable generally adopts and substantially can only fixedly lay without inner sheath structure; if the long-time mobile braid that there will be galls or pricks bad insulating barrier and break down; the utility model adopts the elastomeric material consistent with external protective material effectively to protect insulated wire cores can not by the injury of cable internal part in long-term mobile twist process as sheath, while the sheath of polyurethane elastomeric materials and outer jacket temperature resistant grade generally low temperature resistant between-40 DEG C ~ 90 DEG C, cold-resistant type is between-55 DEG C ~ 90 DEG C.Such change span bearing plateau region day and night temperature greatly, winter of extremely southern extremely hot summer and backlands district, pole severe cold etc. national various regions complexity varying environment use; Simultaneously the sheath of polyurethane elastomeric materials and outer jacket have resistance to outdoor climate change: ultraviolet irradiation, wind and weather, seawater salt fog, equipment lubricate wet goods characteristic; And there is certain fire resistance by single vertical burning test.
Braiding adopts the nonmagnetic metal silk of plated surface corrosion resistant tin, and count is not less than 85%.Conventional control cable braid density is 80%, and suitable increase count effectively can improve the anti-electromagnetic interference capability of whole cable.Conductor and filling are divided into 3 layers, innermost layer one filling, middle 6 conductors, outer 9 conductors and 3 filling mixing.Conventional 15 cores adopt 4+11 structure, conventional structure 4+11 is not regular lay configuration, relative stability is not good enough, although 1+6 structure is regular stranded, but 1 core insulation line is placed on bent intermediate poor performance, the cabling structure that the utility model adopts effectively improves stability and the bending property of cable, and the filling in the filling at center and 3 outsides is not merely support physically, center adopts the polyester fiber of high strength as strengthening part especially, epidermis uses and the elastomeric material of the equal temperature resistant grade of cable wraps up the bulk strength and the weatherability that improve cable.Nanoscale lubrication pulvis or insulation lubricating oil is coated with outside the insulating barrier of conductor and outside filling, frictional resistance between each insulated wire cores of effective reduction split conductor, guarantees that cable effective core relative movement and very big reduction wearing and tearing in long-term twist process greatly improve cable use safety and life-span.
The manufacture method of low temperature resistant anti-torsion multicore wind energy control cable, select and meet 2.6mm external diameter high-quality copper bar that GB/T3953-2009 specifies as raw material, by drawing greatly, in draw, little draw after become the naked copper monofilament of external diameter 0.25mm, monofilament to be carried out annealing heat treatment through certain speed and changes while molecules align makes copper monofilament have superior conductivity and have pliability by specified temp region, carry out surface heat and plate corrosion resistant metallic tin after the monofilament after heat treatment is carried out surface cleaning process.Finally annealing tin-coated copper monofilament is carried out strandedly reaching the 5 class tinned copper conductor 1.5mm meeting GB/T3956-2008 regulation according to certain radical, pitch
2the requirement of qualified resistance.
Squash type is adopted to extrude mode by TPE elastomer material binding at conductor outside surfaces, peelable again while such insulating barrier and wire are bonded together, ensure the fastness of insulated wire cores and easy for installation, feasibility simultaneously.6 conductors are filled to center with one stranded, then 9 conductors and 3 are filled stranded continuation and be stranded in stranding outside 6 conductors, conventional control cable cabling lay ratio is about 20 times, and the utility model stranding lay ratio is 10 ~ 12 times and adds that insulating material is that pliable elastomeric material greatly improves flexion torsion performance.Then superscribe polyester band thus stranding, conventional control cable generally adopts CPP to be with, and the utility model adopts wrapped polyester belt, and though be heatproof rudimentary and surface smoothness can reduce rub on all improve a lot.
Adopt squash type extrusion way that inner sheath is bonded in stranding surface, outside inner sheath, braid on cover, is finally bonded in oversheath on braid outer surface with squash type extrusion way.Inner/outer sheath all adopts squash type extrusion way, and special inner sheath just prevents from sliding process, occurring dislocation or become silted up staying length etc. to cause fatal problem to cable with the fixation locus that energy operative constraint insulated wire cores after squash type processing mode is slided.
Above content described in this specification is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of the utility model specification or surmount this scope as defined in the claims, protection range of the present utility model all should be belonged to.
Claims (8)
1. a low temperature resistant anti-torsion multicore wind energy control cable, it is characterized in that: comprise conductor, insulating barrier, filling, sheath, braid and outer jacket, insulating barrier is arranged on conductor outer surface, some conductors and fill and be filled to center with one and be stranded in filling, described sheath, braid and outer jacket are all set in conductor and fill outside and sheath, braid and outer jacket set gradually from inside to outside.
2. according to low temperature resistant anti-torsion multicore wind energy control cable according to claim 1, it is characterized in that: described conductor adopts tin-coated copper wire.
3. according to low temperature resistant anti-torsion multicore wind energy control cable according to claim 1, it is characterized in that: described insulating barrier adopts TPE thermoplastic elastic material.
4. according to low temperature resistant anti-torsion multicore wind energy control cable according to claim 1, it is characterized in that: described polyester fiber of filling employing epidermis parcel elastomeric material.
5. according to low temperature resistant anti-torsion multicore wind energy control cable according to claim 1, it is characterized in that: described sheath and outer jacket adopt polyurethane elastomeric materials.
6., according to low temperature resistant anti-torsion multicore wind energy control cable according to claim 1, it is characterized in that: the count of described braid is not less than 85%.
7. according to low temperature resistant anti-torsion multicore wind energy control cable according to claim 1, it is characterized in that: described conductor and filling are divided into 3 layers, innermost layer one filling, middle 6 conductors, outer 9 conductors and 3 filling mixing.
8. according to low temperature resistant anti-torsion multicore wind energy control cable according to claim 1, it is characterized in that: outside the insulating barrier of described conductor and outside filling, be coated with nanoscale lubrication pulvis or insulation lubricating oil.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105185445A (en) * | 2015-10-10 | 2015-12-23 | 中天科技装备电缆有限公司 | Multi-core wind energy control cable resistant to low temperature and torsion and manufacture method thereof |
CN107248426A (en) * | 2017-06-28 | 2017-10-13 | 代卫东 | A kind of lightning protected cable of high mechanical strength |
CN107316684A (en) * | 2017-06-28 | 2017-11-03 | 代卫东 | A kind of lightning protected cable |
CN107331456A (en) * | 2017-06-28 | 2017-11-07 | 代卫东 | A kind of lightning protection tension communication cable |
CN107342123A (en) * | 2017-07-08 | 2017-11-10 | 安徽德源电缆集团有限公司 | A kind of ethylene propylene rubber insulated type control cable |
-
2015
- 2015-10-10 CN CN201520781739.0U patent/CN205050594U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105185445A (en) * | 2015-10-10 | 2015-12-23 | 中天科技装备电缆有限公司 | Multi-core wind energy control cable resistant to low temperature and torsion and manufacture method thereof |
CN107248426A (en) * | 2017-06-28 | 2017-10-13 | 代卫东 | A kind of lightning protected cable of high mechanical strength |
CN107316684A (en) * | 2017-06-28 | 2017-11-03 | 代卫东 | A kind of lightning protected cable |
CN107331456A (en) * | 2017-06-28 | 2017-11-07 | 代卫东 | A kind of lightning protection tension communication cable |
CN107342123A (en) * | 2017-07-08 | 2017-11-10 | 安徽德源电缆集团有限公司 | A kind of ethylene propylene rubber insulated type control cable |
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