CN204332520U - A kind of power cable for wind power generation - Google Patents
A kind of power cable for wind power generation Download PDFInfo
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- CN204332520U CN204332520U CN201520036472.2U CN201520036472U CN204332520U CN 204332520 U CN204332520 U CN 204332520U CN 201520036472 U CN201520036472 U CN 201520036472U CN 204332520 U CN204332520 U CN 204332520U
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- cable
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Abstract
The utility model discloses a kind of power cable for wind power generation, this cable comprises outermost external sheath layer, inside by external sheath layer, inner restrictive coating, cable core belting layer successively, cable core belting layer is provided with the identical cable core of three diameters, this cable core is tangent between two, each cable core is tangent with cable core belting layer inwall, and described cable core ecto-entad is braid shielded belting layer, woven shield, external shield belting layer, outer shielding layer, insulating barrier, internal shield, separator, metallic conductor successively.The utility model power cable for wind power generation warp resistance, each layer is without cracking phenomena, insulating material adopts ethylene-propylene rubber mixture, ethylene-propylene rubber mixture has good chemical stability, excellent heat-resistant aging, excellent cold resistance, remarkable electrical insulation capability and resistance to ozone, weatherability, and nontoxic odorless, braid shielded layer material mainly adopts tinned copper wire, improves screen twisting property.
Description
Technical field
The utility model relates to field of cables, relates to a kind of power cable for wind power generation specifically.
Background technology
Enter 21 century, China's rapid economic development, industrialization, Development of China's Urbanization are accelerated, and energy demand increases fast, energy supply and demand contradiction.Increase the diversification supply of the energy, guarantee that energy security has become the vital task of socio-economic development, develop the important component part that regenerative resource becomes national energy development strategy.As the wind power generation of one of regenerative resource, because resource potential tool is large, environmental pollution is low, can continuous utilization, and generation technology is mature on the whole, and economy, close to conventional energy resource, obtains great attention in China.
The fast development of wind power industry, has expedited the emergence of the demand to cable for wind power generation.Wind force power cable saves tower cylinder inside pendency (about 20m) on, and upper end is rotated with cabin, and lower end is fixed on tower cylinder, this section of cable bear fan engine room windward time torsion.In the tower cylinder of bottom, cable is fixed on tower cylinder inwall as fixedly to lay.Traditional wind force power cable is short of in warp resistance, when mounted, curve can be encountered install, need cable bending, traditional wind force power cable is when bending, conductor in cable core can produce phenomenon of rupture, and the situation that insulating barrier, insulation woven shield, cable core and cable surface have cracking occurs.Therefore, traditional wind force power cable needs to improve.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of power cable for wind power generation, and this cable warp resistance, each layer is without cracking phenomena.
For solving the problems of the technologies described above, the utility model is realized by following scheme: a kind of power cable for wind power generation, comprise outermost external sheath layer, inside by external sheath layer, inner restrictive coating successively, cable core belting layer, cable core belting layer is provided with the identical cable core of three diameters, this cable core is tangent between two, each cable core is tangent with cable core belting layer inwall, described cable core ecto-entad is braid shielded belting layer successively, woven shield, external shield belting layer, outer shielding layer, insulating barrier, internal shield, separator, metallic conductor, the center of three cable cores is provided with a small cable core, this small cable core is tangent with three cable cores respectively.
Further, described cable core belting layer inside is provided with filler, and this filler is the greasy for preventing water of non-hygroscopic material.
Further, described small cable core comprises outermost cover and moulds pipe, is placed in and overlaps the copper conductor moulded in pipe.
Further, described cover is moulded in pipe and is filled with greasy for preventing water.
Further, described external sheath layer is made up of polyether-type halogen-free fire retardation thermoplastic polyurethane compound-material.
Further, described inner restrictive coating is made up of low smoke and zero halogen rubber mixture material.
Further, described separator is made up of semiconductive band material.
Further, described outer shielding layer, internal shield are made up of ethylene-propylene rubber mixture semi-conductive shielding material.
Further, described insulating barrier is made up of ethylene-propylene rubber mixture material.
Further, described woven shield is made up of tinned copper wire material.
Relative to prior art, the beneficial effects of the utility model are: the utility model wind force power cable warp resistance, each layer is without cracking phenomena, inner restrictive coating uses ethylene-propylene rubber mixture insulating material and external sheath layer to use polyurethane composite jacket material, make power cable can keep excellent properties in the presence of a harsh environment, inside and outside polymeric barrier layer materials adopts ethylene-propylene rubber mixture semiconductive shieldin material, and its heat aging performance should be suitable with the insulating barrier combined.Insulating material adopts ethylene-propylene rubber mixture, ethylene-propylene rubber mixture has good chemical stability, excellent heat-resistant aging, excellent cold resistance, remarkable electrical insulation capability and resistance to ozone, weatherability, and nontoxic odorless, braid shielded layer material mainly adopts tinned copper wire, improves screen twisting property.
Accompanying drawing explanation
Fig. 1 is the utility model power cable for wind power generation cross section structure schematic diagram.
Fig. 2 is the utility model cable core cross-section structural representation.
Fig. 3 is the utility model small cable core cross section structure schematic diagram.
Mark in accompanying drawing: cable core 1; Filler 2; Cable core belting layer 3; Inner restrictive coating 4; External sheath layer 5; Small cable core 6; Metallic conductor 11; Separator 12; Internal shield 13; Insulating barrier 14; Outer shielding layer 15; External shield belting layer 16; Woven shield 17; Braid shielded belting layer 18; Pipe 61 moulded by cover; Copper conductor 62.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is explained in detail.
Please refer to accompanying drawing 1 ~ 2, a kind of power cable for wind power generation of the present utility model, comprise outermost external sheath layer 5, inside by external sheath layer 5, inner restrictive coating 4 successively, cable core belting layer 3, cable core belting layer 3 is provided with the identical cable core 1 of three diameters, this cable core 1 is tangent between two, each cable core 1 is tangent with cable core belting layer 3 inwall, described cable core 1 ecto-entad is braid shielded belting layer 18 successively, woven shield 17, external shield belting layer 16, outer shielding layer 15, insulating barrier 14, internal shield 13, separator 12, metallic conductor 11, the center of three cable cores 1 is provided with a small cable core 6, this small cable core 6 is tangent with three cable cores 1 respectively.Described cable core belting layer 3 inside is provided with filler 2, and this filler 2 is the greasy for preventing water of non-hygroscopic material.Cable core belting layer 3 material adopts high flame retardant glass cloth tape, and this material can absorb a large amount of heats when 200-600 DEG C of burning, prevents flame from passing, and protection insulating barrier is from burning; The amount of smoke produced during passive burning is few, and visibility good, greatly reduces the degree of danger of fire, decrease environmental pollution; Do not absorb water and cable can be prevented in storage, in running, moisture invades insulating barrier.
Please refer to accompanying drawing 3, described small cable core 6 comprises outermost cover and moulds pipe 61, is placed in the copper conductor 62 overlapping and mould in pipe 61, and described cover is moulded in pipe 61 and is filled with greasy for preventing water.Be be made up of copper conductor 62 in the middle part of small cable core 6, copper conductor has good ductility, is not easy fracture, the torsional strength of whole power cable is strengthened.
As shown in Figure 1, described external sheath layer 5 is made up of polyether-type halogen-free fire retardation thermoplastic polyurethane compound-material, and described inner restrictive coating 4 is made up of low smoke and zero halogen rubber mixture material.According to environment for use and cable normal operating temperature, external sheath layer 5, inner restrictive coating 4 improve the resistance to torsional strength of compound sheath, inner sheath material adopts low smoke and zero halogen rubber mixture, jacket material adopts polyether-type halogen-free fire retardation thermoplastic polyurethane compound-material, and this kind of sheath material has that tearing toughness is high, the antimicrobial properties, water resistance, anti-wear performance etc. of good weatherability, halogen-free flameproof performance and excellence.
As shown in Figure 2, described outer shielding layer 15, internal shield 13 are made up of ethylene-propylene rubber mixture semi-conductive shielding material, and the heat aging performance of ethylene-propylene rubber mixture semi-conductive shielding material should be suitable with the insulating barrier 14 combined.
As shown in Figure 2, described insulating barrier 14 is made up of ethylene-propylene rubber mixture material, but tensile strength should be not less than 6.5N/mm2.Ethylene-propylene rubber mixture has good chemical stability, excellent heat-resistant aging, excellent cold resistance, remarkable electrical insulation capability and resistance to ozone, weatherability, and nontoxic odorless, meet the demand that cable uses completely.
As shown in Figure 2, described woven shield 17 is made up of tinned copper wire material, and when reversing for preventing inside and outside screen, cracking takes tinned copper wire to improve its resistance to twisting property.
As shown in Figure 2, described separator 12 is made up of semiconductive band material.
The foregoing is only preferred implementation of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a power cable for wind power generation, comprise outermost external sheath layer (5), inside by external sheath layer (5), inner restrictive coating (4) successively, cable core belting layer (3), it is characterized in that: cable core belting layer (3) is provided with the identical cable core (1) of three diameters, this cable core (1) is tangent between two, each cable core (1) is tangent with cable core belting layer (3) inwall, described cable core (1) ecto-entad is braid shielded belting layer (18) successively, woven shield (17), external shield belting layer (16), outer shielding layer (15), insulating barrier (14), internal shield (13), separator (12), metallic conductor (11), the center of three cable cores (1) is provided with a small cable core (6), this small cable core (6) is tangent with three cable cores (1) respectively.
2. a kind of power cable for wind power generation according to claim 1, is characterized in that: described cable core belting layer (3) inside is provided with filler (2), the greasy for preventing water that this filler (2) is non-hygroscopic material.
3. a kind of power cable for wind power generation according to claim 1, is characterized in that: described small cable core (6) comprises outermost cover and moulds pipe (61), is placed in cover and moulds copper conductor (62) in pipe (61).
4. a kind of power cable for wind power generation according to claim 3, is characterized in that: described cover is moulded in pipe (61) and is filled with greasy for preventing water.
5. a kind of power cable for wind power generation according to claim 1, is characterized in that: described external sheath layer (5) is made up of polyether-type halogen-free fire retardation thermoplastic polyurethane compound-material.
6. a kind of power cable for wind power generation according to claim 1, is characterized in that: described inner restrictive coating (4) is made up of low smoke and zero halogen rubber mixture material.
7. a kind of power cable for wind power generation according to claim 1, is characterized in that: described separator (12) is made up of semiconductive band material.
8. a kind of power cable for wind power generation according to claim 1, is characterized in that: described outer shielding layer (15), internal shield (13) are made up of ethylene-propylene rubber mixture semi-conductive shielding material.
9. a kind of power cable for wind power generation according to claim 1, is characterized in that: described insulating barrier (14) is made up of ethylene-propylene rubber mixture material.
10. a kind of power cable for wind power generation according to claim 1, is characterized in that: described woven shield (17) is made up of tinned copper wire material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036472.2U CN204332520U (en) | 2015-01-08 | 2015-01-08 | A kind of power cable for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036472.2U CN204332520U (en) | 2015-01-08 | 2015-01-08 | A kind of power cable for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332520U true CN204332520U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036472.2U Expired - Fee Related CN204332520U (en) | 2015-01-08 | 2015-01-08 | A kind of power cable for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204332520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148013A (en) * | 2018-08-30 | 2019-01-04 | 金杯电工衡阳电缆有限公司 | Wire armoring aluminium core power cable used for wind power generation |
| CN110491593A (en) * | 2019-08-26 | 2019-11-22 | 金华市秸和环保技术咨询有限公司 | A kind of wind power generation distortion resistant cable |
-
2015
- 2015-01-08 CN CN201520036472.2U patent/CN204332520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148013A (en) * | 2018-08-30 | 2019-01-04 | 金杯电工衡阳电缆有限公司 | Wire armoring aluminium core power cable used for wind power generation |
| CN110491593A (en) * | 2019-08-26 | 2019-11-22 | 金华市秸和环保技术咨询有限公司 | A kind of wind power generation distortion resistant cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20200108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |