CN106847388A - A kind of mixed conductor environment-friendly type wind energy cable and production technology - Google Patents
A kind of mixed conductor environment-friendly type wind energy cable and production technology Download PDFInfo
- Publication number
- CN106847388A CN106847388A CN201710176585.6A CN201710176585A CN106847388A CN 106847388 A CN106847388 A CN 106847388A CN 201710176585 A CN201710176585 A CN 201710176585A CN 106847388 A CN106847388 A CN 106847388A
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- Prior art keywords
- tin
- wire
- conductor
- sheath
- coated copper
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Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
Abstract
The present invention relates to a kind of mixed conductor environment-friendly type wind energy cable and production technology, belong to wind energy cable technical field.Technical scheme is：Comprising 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）Mix stranded composition conductor, the outer wrapped non-woven fabrics band of conductor, the outside ethylene propylene rubber insulated and low smoke and zero halogen sheath of extrusion.Cable abandoning tradition cable insulation of the present invention and sheath are extruded at twice, save the time, improve efficiency, insulation and sheath stick together simultaneously, during can effectively preventing cable use, be frequently bended with moving process, prevent insulation and sheath produces friction phenomenon, improve cable service life.The beneficial effects of the invention are as follows：Light, the low cost with cable weight, environmental protection, low smoke and zero halogen characteristic are particularly well-suited to wind power plant and use.
Description
Technical field
The present invention relates to a kind of mixed conductor environment-friendly type wind energy cable and production technology, belong to wind energy cable technical field.
Background technology
Traditional wind energy cable with copper as conductor, cable weight weight, and the general height of wind-power tower is in 50-100m, 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；, typically using lead as stabilizer, wind energy market also makes extensively at home for the insulation of traditional wind energy cable and sheath
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 greatly injury, while also being made troubles to disaster relief personnel.
The content of the invention
It is light with cable weight it is an object of the present invention to provide a kind of mixed conductor environment-friendly type wind energy cable and production technology,
Low cost, environmental protection, low smoke and zero halogen characteristic solve problem present in background technology.
The technical scheme is that：
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, second third
Rubber-covered and low smoke and zero halogen sheath, tinned copper wire and tin-coated copper plated aluminium B alloy wire mix stranded composition conductor, and conductor is outer wrapped
Extrude ethylene propylene rubber insulated and low smoke and zero halogen sheath in non-woven fabrics band, outside；Described ethylene propylene rubber insulated and low smoke and zero halogen sheath
Non-woven fabrics band outside is placed in 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, 20 DEG C of resistivity of tin-coated copper plated aluminium B alloy wire are 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 being 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, it is easy to cable to install.
A kind of production technology of mixed conductor environment-friendly type wind energy cable, comprising following processing step：
Prepare composite conductor；The conductor, by tin-coated copper plated aluminium B alloy wire it is stranded after as inner core, the wrapped plying of outer layer
Tinned copper wire, forms 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 and tinned copper wire first, because tin-coated copper plated aluminium B alloy wire elongation is less than copper
Silk, 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 tin plating
Strand is formed after 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；
B, technique is twisted again
As inner core after tin-coated copper plated aluminium B alloy wire 1 is stranded, the tinned copper wire of the wrapped plying of outer layer, tin-coated copper plated aluminium B alloy wire
The ratio between strand external diameter of strand external diameter and tinned copper wire is 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, it is multiple to twist
Lay ratio is controlled below 10；
2. insulate and sheath co-extrusion
Absolutely the outer wrapped non-woven fabrics band of composite conductor, then insulate and sheath be placed in outside non-woven fabrics band using co-extrusion mode, i.e.,
Edge and sheath material are extruded simultaneously by co-extruding machine head, form inside and outside concentric annular structure, and the insulation of extrusion and sheath material are
Rubber, connects sulphur pipeline and is vulcanized by supersaturated vapor, and insulation and sheath material are crosslinked in the presence of vulcanizing agent,
Insulation and sheath are closely sticked together simultaneously, and even the supersaturated vapor in sulphur pipeline is controlled in 0.7-1.2MPa, and speed control exists
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.
It is the sheath material of base material that sheath uses EVM, 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.
Cable abandoning tradition cable insulation of the present invention and sheath are extruded at twice, save the time, improve efficiency, while insulation
Sticked together with sheath, during can effectively preventing cable use, be frequently bended with moving process, prevent insulation and
Sheath produces friction phenomenon, improves cable service life.
The beneficial effects of the invention are as follows：Light, the low cost with cable weight, environmental protection, low smoke and zero halogen characteristic are particularly well-suited to
Wind power plant is used.
Brief description of the drawings
Fig. 1 is construction of cable schematic diagram of the present invention；
Fig. 2 is cable conductor structural schematic diagram of the present invention；
Fig. 3 is cable product schematic cross-section of the present invention；
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 sheath 5.
Specific embodiment
Below in conjunction with accompanying drawing, by example, the invention will be further described.
A kind of mixed conductor environment-friendly type wind energy cable, comprising 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,
The outer wrapped non-woven fabrics band of conductor, ethylene propylene rubber insulated and low smoke and zero halogen sheath is extruded in outside；It is described ethylene propylene rubber insulated and low
Cigarette Halogen sheath is placed in non-woven fabrics band outside 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, 20 DEG C of resistivity of tin-coated copper plated aluminium B alloy wire are 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, it is 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, while leading
Body weight can decline more than 50%.
A kind of production technology of mixed conductor environment-friendly type wind energy cable, comprising following processing step：
Prepare composite conductor；The conductor, by tin-coated copper plated aluminium B alloy wire 1 it is stranded after as inner core, the wrapped plying of outer layer
Tinned copper wire 2, forms 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 the elongation of tin-coated copper plated aluminium B alloy wire 1 is small
In copper wire, 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 B alloy wire
With 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 be 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 B alloy wire
Strand external diameter and the ratio between the strand external diameter of tinned copper wire be 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, it is multiple to twist
Lay ratio is controlled below 10；The 1+6 structures are stranded, are remaining six roots of sensation platings centered on a tin-coated copper plated aluminium B alloy wire
Tin copper-clad aluminum alloy silk is stranded around its.
, using the cage winch with back twist function, the skeleton centered on stranded tin-coated copper plated aluminium B alloy wire will for the present embodiment
The strand that beam closes tinned copper wire composition is drawn from the drum of cage winch, by the guide wheel in cage, into the circle of distributor plate
Separated time hole, circular distributor plate is fixed on the beam barrel of cage winch, and separated time hole is evenly distributed on circular distributor plate around the outer circle, is eliminated
Conductor stress, while ensureing that tinned copper wire strand is evenly distributed in around with stranded tin-coated copper plated aluminium B alloy wire as skeleton.
During production, the tin-coated copper plated aluminium B alloy wire after multiple strand is linearly run, and cage is rotated with its center, the plating in cage
Tin copper wire strand is wound on the tin-coated copper plated aluminium B alloy wire after multiple strand, and wrapped lay ratio should be controlled below 8 times, by control
Tinned copper wire strand external diameter processed and with wrapped pitch, should ensure that tinned copper wire strand is uniform, is neatly covered in the stranded of multiple strand
Tin-coated copper plated aluminium B alloy wire outside；
2. insulate and sheath co-extrusion
Absolutely the outer wrapped non-woven fabrics band of composite conductor, then insulate and sheath be placed in outside non-woven fabrics band using co-extrusion mode, i.e.,
Edge and sheath material are extruded simultaneously by co-extruding machine head, form inside and outside concentric annular structure, and the insulation of extrusion and sheath material are
Rubber, connects sulphur pipeline and is vulcanized by supersaturated vapor, and insulation and sheath material are crosslinked in the presence of vulcanizing agent,
Insulation and sheath are closely sticked together simultaneously, and even the supersaturated vapor in sulphur pipeline is controlled in 0.7-1.2MPa, and speed control exists
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.
It is the sheath material of base material that sheath uses EVM, 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.
Cable abandoning tradition cable insulation of the present invention and sheath are extruded at twice, save the time, improve efficiency, while insulation
Sticked together with sheath, during can effectively preventing cable use, be frequently bended with moving process, prevent insulation and
Sheath produces friction phenomenon, improves cable service life.
Claims (4)
1. a kind of mixed conductor environment-friendly type wind energy cable, it is characterised in that：Comprising 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）Mix wrapped non-woven fabrics band outside stranded composition conductor, conductor, outside extrusion is ethylene propylene rubber insulated and low smoke and zero halogen is protected
Set.
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.
4. a kind of production technology of mixed conductor environment-friendly type wind energy cable, it is characterised in that comprising following processing step：
Prepare composite conductor；The conductor, by tin-coated copper plated aluminium B alloy wire（1）As inner core after stranded, the wrapped plying of outer layer
Tinned copper wire（2）, form composite conductor；Twist including synnema technique and again technique：
A, synnema technique
First to tin-coated copper plated aluminium B alloy wire（1）And tinned copper wire（2）Synnema is carried out, due to tin-coated copper plated aluminium B alloy wire（1）Stretch
Rate long is less than copper wire, and synnema lay ratio should be less than 20 times, tinned copper wire（2）Synnema lay ratio should be less than 25 times；Tin plating copper-clad
Strand is formed after aluminum-alloy wire and tinned copper wire synnema, between the total radical of tin-coated copper plated aluminium B alloy wire and the total radical of tinned copper wire
Ratio is 8:1；
B, technique is twisted again
Tin-coated copper plated aluminium B alloy wire（1）As inner core after stranded, the tinned copper wire of the wrapped plying of outer layer（2）, tin-coated copper plated aluminium conjunction
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, it is multiple to twist
Lay ratio is controlled below 10；
2. insulate and sheath co-extrusion
Absolutely the outer wrapped non-woven fabrics band of composite conductor, then insulate and sheath be placed in outside non-woven fabrics band using co-extrusion mode, i.e.,
Edge and sheath material are extruded simultaneously by co-extruding machine head, form inside and outside concentric annular structure, and the insulation of extrusion and sheath material are
Rubber, connects sulphur pipeline and is vulcanized by supersaturated vapor, and insulation and sheath material are crosslinked in the presence of vulcanizing agent,
Insulation and sheath are closely sticked together simultaneously, and even the supersaturated vapor in sulphur pipeline is controlled in 0.7-1.2MPa, and speed control exists
8-15m/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176585.6A CN106847388A (en) | 2017-03-23 | 2017-03-23 | A kind of mixed conductor environment-friendly type wind energy cable and production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176585.6A CN106847388A (en) | 2017-03-23 | 2017-03-23 | A kind of mixed conductor environment-friendly type wind energy cable and production technology |
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| Publication Number | Publication Date |
|---|---|
| CN106847388A true CN106847388A (en) | 2017-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710176585.6A Pending CN106847388A (en) | 2017-03-23 | 2017-03-23 | A kind of mixed conductor environment-friendly type wind energy cable and production technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147989A (en) * | 2018-09-10 | 2019-01-04 | 宁波容合电线有限公司 | Miniature twisted cable in one kind is anti- |
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|---|---|---|---|---|
| CN104051074A (en) * | 2014-05-15 | 2014-09-17 | 远东电缆有限公司 | Wind power generation cable and production technology thereof |
| CN104979039A (en) * | 2015-07-21 | 2015-10-14 | 明达线缆集团有限公司 | Light low smoke zero halogen wind energy cable and preparation method thereof |
| CN105702329A (en) * | 2016-01-29 | 2016-06-22 | 四川明星电缆股份有限公司 | K3 fire-resisting cable and preparation technology thereof |
| CN205595127U (en) * | 2016-04-11 | 2016-09-21 | 湖南华菱线缆股份有限公司 | Electric wire and cable for space flight and aviation |
| CN205645306U (en) * | 2016-06-02 | 2016-10-12 | 唐山华通特种线缆制造有限公司 | Mix fire -retardant positive square cable of conductor loop guarantor's type low smoke and zero halogen |
-
2017
- 2017-03-23 CN CN201710176585.6A patent/CN106847388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051074A (en) * | 2014-05-15 | 2014-09-17 | 远东电缆有限公司 | Wind power generation cable and production technology thereof |
| CN104979039A (en) * | 2015-07-21 | 2015-10-14 | 明达线缆集团有限公司 | Light low smoke zero halogen wind energy cable and preparation method thereof |
| CN105702329A (en) * | 2016-01-29 | 2016-06-22 | 四川明星电缆股份有限公司 | K3 fire-resisting cable and preparation technology thereof |
| CN205595127U (en) * | 2016-04-11 | 2016-09-21 | 湖南华菱线缆股份有限公司 | Electric wire and cable for space flight and aviation |
| CN205645306U (en) * | 2016-06-02 | 2016-10-12 | 唐山华通特种线缆制造有限公司 | Mix fire -retardant positive square cable of conductor loop guarantor's type low smoke and zero halogen |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147989A (en) * | 2018-09-10 | 2019-01-04 | 宁波容合电线有限公司 | Miniature twisted cable in one kind is anti- |
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Application publication date: 20170613 |