CN202258442U - Single-core flexible cable for distortion-resistant wind power generation - Google Patents
Single-core flexible cable for distortion-resistant wind power generation Download PDFInfo
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- CN202258442U CN202258442U CN2011203464226U CN201120346422U CN202258442U CN 202258442 U CN202258442 U CN 202258442U CN 2011203464226 U CN2011203464226 U CN 2011203464226U CN 201120346422 U CN201120346422 U CN 201120346422U CN 202258442 U CN202258442 U CN 202258442U
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- power generation
- wind power
- flexible cable
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Abstract
The utility model discloses a single-core flexible cable for distortion-resistant wind power generation. The single-core flexible cable for distortion-resistant wind power generation comprises a conductor and an inner screening layer, wherein the conductor is formed in a manner that a plurality of tinned copper wires are subjected to wire towing and compound stranding; the wire towing directions in each of layers are opposite, the wire towing pitch ratio is increased by not more than 16 times, the compound stranding is carried out twice for formation of the conductor, and the compound stranding pitch ratio is increased by not more than 12 times; the conductor is externally wrapped with the inner screening layer, an insulation layer and an outer screening layer; the inner screening layer, the insulation layer and the outer screening layer are formed once by adopting a three-layer co-extrusion way; the outer screening layer is externally wrapped with a metal screening layer; and the metal screening layer is externally provided with an outer sheath formed in an extruding manner. The single-core flexible cable for distortion-resistant wind power generation disclosed by the utility model has the advantages of good distortion-resistant performance and screening performance and also has the advantages of high pressure-resistant level, good low temperature resistance, good oil resistance, excellent environment aging resistance, good cable flexibility, and non cracking in a distorting process at a low temperature (-40 degrees centigrade).
Description
Technical field:
The utility model relates to field of cables, relates in particular to a kind of distortion-resistance wind power generation with single core flexible cable.
Background technology:
Wind power generation be in the present regenerative resource technical development the soonest, the generation mode of the most ripe, tool large-scale development and Commercial Prospect; Wind energy is inexhaustible simultaneously; Be a kind of cleaning, reproducible green energy resource, important impetus arranged for readjusting the energy structure, alleviate environmental pollution, realization sustainable development etc.Development along with wind-power market; At present the wind-driven generator pool-size strengthens year by year, single-machine capacity bring up to kilowatt and more than, and developing the MW class blower fan; This shows that research and development are the trend of industry development with the matching used high-power middle pressure wind-force cable of blower fan.
The middle used for wind power generation cable of pressing is used on the bigger blower fan of single-machine capacity more, lays the comparison difficulty owing to install, so adopt single cored structure, to reduce cable weight, is convenient to installation.And this cable is mainly used in the abominable area of weather conditions, and temperature is cold, and day and night temperature is big; Need frequently reverse; Therefore should have good low-temperature resistance property, the low temperature of ability-40 ° C, and UV resistant, weather-resistant performance excellence and good antitorque commentaries on classics performance and bending property; Contact greasy dirt sometimes, should have oil resistant, corrosion resistant performance; Good flame retardancy is arranged.
The warp resistance performance of original cable, bending property, shielding properties do not reach the demand of actual working environment, cause directly influencing the useful life of cable.
The utility model content:
The purpose of the utility model provides a kind of distortion-resistance wind power generation with single core flexible cable, and rated voltage is 26/35kV, and the construction of cable is simple, has advantages such as low temperature resistant, wear-resisting, anti-environmental aging, oil resistant, endurance, warp resistance.
The technical scheme of the utility model is following:
Distortion-resistance wind power generation comprises conductor, internal shield with single core flexible cable, it is characterized in that: conductor is processed by the many multiple again strands of tinned copper wire elder generation synnema; Every layer of synnema is in the opposite direction; Synnema pitch ratio is not more than 16 times, and divides and be twisted into type again 2 times, twists the pitch ratio again and is not more than 12 times; Conductor is enclosed with internal shield, insulating barrier, outer shielding layer outward successively; Described internal shield, insulating barrier and outer shielding layer adopt three-layer co-extruded mode one-shot forming, and outer shielding layer is wrapped with metal screen layer, and the outer extrusion moulding of metal screen layer has oversheath.
Described distortion-resistance wind power generation is characterized in that with single core flexible cable: screen material is processed in the 35kV high pressure semiconductive that described internal shield employing is base-material with EPDM.
Described distortion-resistance wind power generation is characterized in that with single core flexible cable: press the EPDM insulating material to process during described insulating barrier adopts.
Described distortion-resistance wind power generation is characterized in that with single core flexible cable: the outer screen material of the peelable release high pressure semiconductive of 35kV that described outer shielding layer employing is base-material with EPDM is processed.
Described distortion-resistance wind power generation is characterized in that with single core flexible cable: described metal screen layer adopts soft round tinned copper wire braiding to process.
The utility model has the advantages that:
The utility model is simple in structure; Conductor adopts the multiple again strand of first synnema to process, and every layer of synnema is in the opposite direction, is twisted into type again 2 times; This outer cable outside is provided with the multilayer screen layer; Make cable have good warp resistance performance, shielding properties, have the voltage withstand class height, resistance to low temperature is good, oil resistance is good, the excellent performance of anti-environmental aging the, cable softness are good, under low temperature (40 ℃), reverse and do not ftracture, and satisfies instructions for use.
Description of drawings:
Fig. 1 is the structural representation of the utility model.
Embodiment:
Distortion-resistance wind power generation comprises conductor 1, internal shield 2 with single core flexible cable, and conductor 1 is processed by the many multiple again strands of tinned copper wire elder generation synnema; Every layer of synnema is in the opposite direction, and synnema pitch ratio is not more than 16 times, and divides and be twisted into type again 2 times; Twist the pitch ratio again and be not more than 12 times; Conductor 1 outer internal shield 2, insulating barrier 3, the outer shielding layer 4 of being enclosed with successively, internal shield 2, insulating barrier 3 and outer shielding layer 4 adopt three-layer co-extruded mode one-shot forming, and outer shielding layer 4 is wrapped with metal screen layer 5; Metal screen layer 5 outer extrusion moulding have oversheath 6; It is that screen material is processed in the 35kV high pressure semiconductive of base-material that internal shield 2 adopts with EPDM, presses the EPDM insulating material to process during insulating barrier 3 adopts, and it is that the outer screen material of the peelable release high pressure semiconductive of 35kV of base-material is processed that outer shielding layer 4 adopts with EPDM; Metal screen layer 5 adopts soft round tinned copper wire braiding to process, and restrictive coating 6 adopts heatproofs-40 ℃, oil resistant UV resistant wind-force cable dedicated elas-tic system to become.
Claims (5)
1. a distortion-resistance wind power generation comprises conductor, internal shield with single core flexible cable, it is characterized in that: conductor is processed by the many multiple again strands of tinned copper wire elder generation synnema; Every layer of synnema is in the opposite direction; Synnema pitch ratio is not more than 16 times, and divides and be twisted into type again 2 times, twists the pitch ratio again and is not more than 12 times; Conductor is enclosed with internal shield, insulating barrier, outer shielding layer outward successively; Described internal shield, insulating barrier and outer shielding layer adopt three-layer co-extruded mode one-shot forming, and outer shielding layer is wrapped with metal screen layer, and the outer extrusion moulding of metal screen layer has oversheath.
2. distortion-resistance wind power generation according to claim 1 is characterized in that with single core flexible cable: screen material is processed in the 35kV high pressure semiconductive that described internal shield employing is base-material with EPDM.
3. distortion-resistance wind power generation according to claim 1 is characterized in that with single core flexible cable: press the EPDM insulating material to process during described insulating barrier adopts.
4. distortion-resistance wind power generation according to claim 1 is characterized in that with single core flexible cable: the outer screen material of the peelable release high pressure semiconductive of 35kV that described outer shielding layer employing is base-material with EPDM is processed.
5. distortion-resistance wind power generation according to claim 1 is characterized in that with single core flexible cable: described metal screen layer adopts soft round tinned copper wire braiding to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203464226U CN202258442U (en) | 2011-09-16 | 2011-09-16 | Single-core flexible cable for distortion-resistant wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203464226U CN202258442U (en) | 2011-09-16 | 2011-09-16 | Single-core flexible cable for distortion-resistant wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202258442U true CN202258442U (en) | 2012-05-30 |
Family
ID=46119650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203464226U Expired - Lifetime CN202258442U (en) | 2011-09-16 | 2011-09-16 | Single-core flexible cable for distortion-resistant wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202258442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881376A (en) * | 2012-10-23 | 2013-01-16 | 江苏中辰电缆有限公司 | Power cable for wind power system |
| CN106098239A (en) * | 2016-08-16 | 2016-11-09 | 远东电缆有限公司 | A kind of wisdom energy water resistant tree-shaped midium voltage cable and production technology |
-
2011
- 2011-09-16 CN CN2011203464226U patent/CN202258442U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881376A (en) * | 2012-10-23 | 2013-01-16 | 江苏中辰电缆有限公司 | Power cable for wind power system |
| CN106098239A (en) * | 2016-08-16 | 2016-11-09 | 远东电缆有限公司 | A kind of wisdom energy water resistant tree-shaped midium voltage cable and production technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 238339 Anhui city of Wuhu province Wuwei County high tech Industrial Park High Road No. 18 Patentee after: Anhui Shangwei Cable Co., Ltd. Address before: 238339 Anhui city of Wuhu province Wuwei County high tech Industrial Park High Road No. 18 Patentee before: Anhui Star Cable Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |