CN206558246U - A kind of mixed conductor environment-friendly type wind energy cable - Google Patents
A kind of mixed conductor environment-friendly type wind energy cable Download PDFInfo
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- CN206558246U CN206558246U CN201720286694.9U CN201720286694U CN206558246U CN 206558246 U CN206558246 U CN 206558246U CN 201720286694 U CN201720286694 U CN 201720286694U CN 206558246 U CN206558246 U CN 206558246U
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Abstract
The utility model is related to a kind of mixed conductor environment-friendly type wind energy cable, belongs to wind energy cable technical field.Technical scheme is：Include tin-coated copper plated aluminium B alloy wire（1）, tinned copper wire（2）, non-woven fabrics band（3）, it is ethylene propylene rubber insulated（4）And low smoke and zero halogen sheath（5）, tinned copper wire（2）With tin-coated copper plated aluminium B alloy wire（1）Wrapped non-woven fabrics band outside stranded composition conductor, conductor is mixed, ethylene propylene rubber insulated and low smoke and zero halogen sheath is extruded in outside；Described ethylene propylene rubber insulated and low smoke and zero halogen sheath is placed in outside non-woven fabrics band using co-extrusion mode.The utility model is saved the time, raising efficiency, while insulation and sheath stick together, can effectively be prevented during cable use, is being frequently bended and in moving process, preventing insulation and sheath generation friction phenomenon, improving cable service life.The beneficial effects of the utility model are：Light with cable weight, cost is low, and environmental protection, low smoke and zero halogen characteristic are particularly suitable for use in wind power plant and used.
Description
Technical field
The utility model is related to a kind of mixed conductor environment-friendly type wind energy cable, belongs to wind energy cable technical field.
Background technology
Traditional wind energy cable is using copper as conductor, cable weight weight, and wind-power tower is general highly in 50-100m, and this gives wind
Energy cable is installed, maintenance is made troubles；The price of copper costly, causes cable cost too high simultaneously, and limitation wind energy cable makes
With and development；The insulation of traditional wind energy cable and sheath are typically using lead as stabilizer, and wind energy market also makes extensively at home
With；European Union issued in 2003《RoHS is instructed》, forbid the heavy metals such as lead to be used in electrical and electronic product, prevent to human and environment
Cause damage.Traditional wind energy cable sheath selection usually contains halogen, and a large amount of smog are discharged in the event of fire, right
Human body causes great injury, while also being made troubles to disaster relief personnel.
Utility model content
The utility model purpose is to provide a kind of mixed conductor environment-friendly type wind energy cable, and light with cable weight, cost is low,
Environmental protection, low smoke and zero halogen characteristic, solve problem present in background technology.
The technical solution of the utility model is：
A kind of mixed conductor environment-friendly type wind energy cable, comprising tin-coated copper plated aluminium B alloy wire, tinned copper wire, non-woven fabrics band,
Ethylene propylene rubber insulated and low smoke and zero halogen sheath, tinned copper wire and tin-coated copper plated aluminium B alloy wire are mixed outside stranded composition conductor, conductor
Extrude ethylene propylene rubber insulated and low smoke and zero halogen sheath in wrapped non-woven fabrics band, outside；Described ethylene propylene rubber insulated and low smoke and zero halogen
Sheath is placed in outside non-woven fabrics band using co-extrusion mode.
The conductor, by tin-coated copper plated aluminium B alloy wire it is stranded after as inner core, the tinned copper wire of the wrapped plying of outer layer, formed
Composite conductor.Consider from electrical property, the resistivity of 20 DEG C of tin-coated copper plated aluminium B alloy wires is 0.0268 Ω .mm2/ m, and copper
Specific insulation is 0.017241 Ω .mm2/ m, in theory 1.5 tin-coated copper plated aluminium B alloy wires can substitute 1 copper wire as leading
Body.Consider from mechanical performance, after annealing, it is more than elongation >=15% of tin-coated copper plated aluminium B alloy wire, elongation >=20% of copper wire
More than, in the stranding process of conductor, tin-coated copper plated aluminium B alloy wire is placed on internal layer, tinned copper wire is placed on outer layer.Cable is used
When, during bending, outer layer is bigger than the deformation quantity of internal layer.Adjusted by cable conductor structural, it is ensured that product was being used
Not fracture of wire in journey, realizes that tin-coated copper plated aluminium B alloy wire substitutes the possibility of copper wire.Consider from weight, the ratio of tin-coated copper aluminum-alloy wire
Weight is 3.7 g/cm3, the proportion of copper wire is 8.89 g/cm3, can generally mitigate the overall weight of cable, be easy to cable to install.
Synnema is carried out to tin-coated copper plated aluminium B alloy wire and tinned copper wire first, because tin-coated copper plated aluminium B alloy wire elongation is small
In copper wire, synnema lay ratio should be less than 20 times, and tinned copper wire synnema lay ratio should be less than 25 times；Tin-coated copper plated aluminium B alloy wire and
Strand is formed after tinned copper wire synnema, the ratio between the total radical of tin-coated copper plated aluminium B alloy wire and the total radical of tinned copper wire is 8:1；
As inner core after tin-coated copper plated aluminium B alloy wire is stranded, the tinned copper wire of the wrapped plying of outer layer, tin-coated copper plated aluminium alloy
The ratio between the strand external diameter of silk and the strand external diameter of tinned copper wire are 2~3:1；
Tin-coated copper plated aluminium B alloy wire stranded first, it is multiple to twist stranded using 1+6 structures, direction is twisted again and synnema is in opposite direction,
Lay ratio control is twisted again below 10；
Insulation and sheath use co-extrusion mode, i.e., insulation and sheath material are extruded simultaneously by co-extruding machine head, form inside and outside
Concentric annular structure, the insulation of extrusion and sheath material be rubber, connect sulphur pipeline by supersaturated vapor and vulcanized, insulation with
Sheath material is crosslinked in the presence of vulcanizing agent, while insulation and sheath closely stick together, the even satiety in sulphur pipeline
With automatic steam control in 0.7-1.2MPa, speed control is in 8-15m/min.
The insulation, it is referred to as ethylene propylene rubber insulated；The sheath, referred to as low smoke and zero halogen sheath.
Sheath uses EVM for the sheath material of base material, meets European Union's ROHS standards, with low smoke and zero halogen characteristic, finished product electricity
Cable performance meets claimed below：Cable smoke density is tested：Light transmittance ＞ 60%；Cable hydrogen halide content：＜ 5mg/g；Gas acidity
Measure：PH value ＞ 4.3；Electrical conductivity ＜ 10.
The utility model cable abandoning tradition cable insulation and sheath are extruded in two times, save the time, improve efficiency, simultaneously
Insulation and sheath stick together, and can effectively prevent during cable use, be frequently bended and in moving process, preventing absolutely
Edge and sheath produce friction phenomenon, improve cable service life.
The beneficial effects of the utility model are：Light with cable weight, cost is low, and environmental protection, low smoke and zero halogen characteristic are especially fitted
Used for wind power plant.
Brief description of the drawings
Fig. 1 is the utility model construction of cable schematic diagram；
Fig. 2 is the utility model cable conductor structural schematic diagram；
In figure：Tin-coated copper plated aluminium B alloy wire 1, tinned copper wire 2, non-woven fabrics band 3, ethylene propylene rubber insulated 4, low smoke and zero halogen shield
Set 5.
Embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
A kind of mixed conductor environment-friendly type wind energy cable, includes tin-coated copper plated aluminium B alloy wire 1, tinned copper wire 2, non-woven fabrics band
3rd, ethylene propylene rubber insulated 4 and low smoke and zero halogen sheath 5, tinned copper wire 2 and tin-coated copper plated aluminium B alloy wire 1 mix stranded composition conductor,
Extrude ethylene propylene rubber insulated and low smoke and zero halogen sheath in wrapped non-woven fabrics band outside conductor, outside；It is described ethylene propylene rubber insulated and low
Cigarette Halogen sheath is placed in outside non-woven fabrics band using co-extrusion mode.
The conductor, by tin-coated copper plated aluminium B alloy wire 1 it is stranded after as inner core, the tinned copper wire 2 of the wrapped plying of outer layer, shape
Into composite conductor.Consider from electrical property, the resistivity of 20 DEG C of tin-coated copper plated aluminium B alloy wires is 0.0268 Ω .mm2/ m, and copper
Specific insulation be 0.017241 Ω .mm2/ m, in theory 1.5 tin-coated copper plated aluminium B alloy wires can substitute 1 copper wire conduct
Conductor.Consider from mechanical performance, after annealing, it is more than elongation >=15% of tin-coated copper plated aluminium B alloy wire, the elongation of copper wire >=
More than 20%, in the stranding process of conductor, tin-coated copper plated aluminium B alloy wire is placed on internal layer, tinned copper wire is placed on outer layer.Cable makes
Used time, during bending, outer layer is bigger than the deformation quantity of internal layer.Adjusted by cable conductor structural, it is ensured that product is being used
During not fracture of wire, realize that tin-coated copper plated aluminium B alloy wire substitutes the possibility of copper wire.Consider from weight, tin-coated copper aluminum-alloy wire
Proportion is 3.7 g/cm3, the proportion of copper wire is 8.89 g/cm3, can generally mitigate the overall weight of cable, be easy to cable to pacify
Dress.
The present embodiment is multiple using φ 0.30mm tin-coated copper plated aluminiums B alloy wires and φ 0.30mm tin-coated copper plated aluminiums B alloy wire composition
Conductor is closed, tin-coated copper plated aluminium B alloy wire radical and tinned copper wire radical ratio are 8:1, both ensured the electrical property of conductor, led simultaneously
Body weight can decline more than 50%.
The conductor, by tin-coated copper plated aluminium B alloy wire 1 it is stranded after as inner core, the tinned copper wire 2 of the wrapped plying of outer layer, shape
Into composite conductor；Twist including synnema technique and again technique：
A, synnema technique
Synnema is carried out to tin-coated copper plated aluminium B alloy wire 1 and tinned copper wire 2 first, because tin-coated copper plated aluminium B alloy wire 1 extends
Rate is less than copper wire, and synnema lay ratio should be less than 20 times, and the synnema lay ratio of tinned copper wire 2 should be less than 25 times；Tin-coated copper plated aluminium is closed
Strand, the ratio between the total radical of tin-coated copper plated aluminium B alloy wire and the total radical of tinned copper wire are formed after spun gold and tinned copper wire synnema
For 8:1
B, technique is twisted again
As inner core after tin-coated copper plated aluminium B alloy wire 1 is stranded, the tinned copper wire 2 of the wrapped plying of outer layer, tin-coated copper plated aluminium is closed
The ratio between the strand external diameter of spun gold and the strand external diameter of tinned copper wire are 2~3:1；
Tin-coated copper plated aluminium B alloy wire stranded first, it is multiple to twist stranded using 1+6 structures, direction is twisted again and synnema is in opposite direction,
Lay ratio control is twisted again below 10；
The present embodiment uses the cage winch with back twist function, and the skeleton centered on stranded tin-coated copper plated aluminium B alloy wire will
The strand that certain orientation beam closes tinned copper wire composition is drawn from the drum of cage winch, by the guide wheel in cage, into separated time
The circular separated time hole of plate, circular distributor plate is fixed on the beam barrel of cage winch, and it is cylindrical that separated time hole is evenly distributed on circular distributor plate
Around, conductor stress is eliminated, while ensureing that tinned copper wire strand is evenly distributed in using stranded tin-coated copper plated aluminium B alloy wire as bone
Around frame.During production, the tin-coated copper plated aluminium B alloy wire after multiple strand is linearly run, and cage is rotated with its center,
Tinned copper wire strand in cage is wound on the tin-coated copper plated aluminium B alloy wire after multiple strand, and wrapped lay ratio should be controlled at 8 times
Hereinafter, by control tinned copper wire strand external diameter and with wrapped pitch, should ensure that tinned copper wire strand is uniform, is neatly covered in
Outside the stranded tin-coated copper plated aluminium B alloy wire twisted again；
Insulation and sheath use co-extrusion mode, i.e., insulation and sheath material are extruded simultaneously by co-extruding machine head, form inside and outside
Concentric annular structure, the insulation of extrusion and sheath material be rubber, connect sulphur pipeline by supersaturated vapor and vulcanized, insulation with
Sheath material is crosslinked in the presence of vulcanizing agent, while insulation and sheath closely stick together, the even satiety in sulphur pipeline
With automatic steam control in 0.7-1.2MPa, speed control is in 8-15m/min.
The insulation, it is referred to as ethylene propylene rubber insulated；The sheath, referred to as low smoke and zero halogen sheath.
Sheath uses EVM for the sheath material of base material, meets European Union's ROHS standards, with low smoke and zero halogen characteristic, finished product electricity
Cable performance meets claimed below：Cable smoke density is tested：Light transmittance ＞ 60%；Cable hydrogen halide content：＜ 5mg/g；Gas acidity
Measure：PH value ＞ 4.3；Electrical conductivity ＜ 10.
The utility model cable abandoning tradition cable insulation and sheath are extruded in two times, save the time, improve efficiency, simultaneously
Insulation and sheath stick together, and can effectively prevent during cable use, be frequently bended and in moving process, preventing absolutely
Edge and sheath produce friction phenomenon, improve cable service life.
Claims (3)
1. a kind of mixed conductor environment-friendly type wind energy cable, it is characterised in that：Include tin-coated copper plated aluminium B alloy wire（1）, tinned copper wire
（2）, non-woven fabrics band（3）, it is ethylene propylene rubber insulated（4）And low smoke and zero halogen sheath（5）, tinned copper wire（2）Closed with tin-coated copper plated aluminium
Spun gold（1）Wrapped non-woven fabrics band outside stranded composition conductor, conductor is mixed, outside extrusion is ethylene propylene rubber insulated and low smoke and zero halogen is protected
Set；Described ethylene propylene rubber insulated and low smoke and zero halogen sheath is placed in outside non-woven fabrics band using co-extrusion mode.
2. a kind of mixed conductor environment-friendly type wind energy cable according to claim 1, it is characterised in that：The conductor, by plating
Tin copper-clad aluminum alloy silk（1）As inner core after stranded, the tinned copper wire of the wrapped plying of outer layer（2）, form composite conductor.
3. a kind of mixed conductor environment-friendly type wind energy cable according to claim 1, it is characterised in that：Plated using φ 0.30mm
Tin copper-clad aluminum alloy silk and φ 0.30mm tin-coated copper plated aluminiums B alloy wire constitute composite conductor, tin-coated copper plated aluminium B alloy wire radical and plating
Tin copper wire radical ratio is 8:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286694.9U CN206558246U (en) | 2017-03-23 | 2017-03-23 | A kind of mixed conductor environment-friendly type wind energy cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286694.9U CN206558246U (en) | 2017-03-23 | 2017-03-23 | A kind of mixed conductor environment-friendly type wind energy cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206558246U true CN206558246U (en) | 2017-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720286694.9U Active CN206558246U (en) | 2017-03-23 | 2017-03-23 | A kind of mixed conductor environment-friendly type wind energy cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206558246U (en) |
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2017
- 2017-03-23 CN CN201720286694.9U patent/CN206558246U/en active Active
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