CN201607975U - Low temperature resistant shielding flexible cable for torsion wind power generation - Google Patents
Low temperature resistant shielding flexible cable for torsion wind power generation Download PDFInfo
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- CN201607975U CN201607975U CN2009202085634U CN200920208563U CN201607975U CN 201607975 U CN201607975 U CN 201607975U CN 2009202085634 U CN2009202085634 U CN 2009202085634U CN 200920208563 U CN200920208563 U CN 200920208563U CN 201607975 U CN201607975 U CN 201607975U
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Abstract
The utility model relates to a low temperature resistant shielding flexible cable for torsion wind power generation, which comprises a conductor, an insulation layer, a filling material, a belting layer and an outer sheath layer. The low temperature resistant shielding flexible cable is characterized in that a shielding layer is located between the belting layer and the outer sheath layer and is a shielding structure woven by copper wires, and the conductor has two cores, three cores, four cores, five cores, six cores, twelve cores, eighteen cores, twenty-four cores or thirty-six cores. The low temperature resistant shielding flexible cable is creative in structure, and combines two voltage levels of a power cable and a control cable into a voltage level, thereby leading products to be selected easily.
Description
Technical field
The utility model relates to a kind of shielded flexible cable with low-temperature torsion resistance used for wind-energy power generation, belongs to field of cables.
Background technology
Along with rising steadily of traditional energy price, and the enhancing of environmental consciousness, country begins to greatly develop new forms of energy, and wherein with fastest developing speed, ripe is wind power generation, and the development of wind-powered electricity generation industry has proposed demand to the used for wind power generation cable.Because the environment of wind power generation is abominable, blower fan is longer service life, and cable constantly rotates with blower fan, and also very high to the performance requirement of cable, traditional cable obviously is difficult to adapt to.
Cable for wind power generation is used in the abominable area of weather conditions more, temperature cold, and therefore day and night temperature is big, should have good low-temperature resistance, the low temperature of ability-40 ℃, and UV resistant, weather-resistant performance excellence.Cable for wind power generation divides mobile and fixed installation cable by use occasion.Move and use cable, need frequently reverse, therefore should have good antitorque commentaries on classics performance and bending property.From present people's cognition, the cable that wind energy is used should satisfy the following technical indicator at least:
1, have good low-temperature resistance and resistance to wear, and fatigue durability, weather-resistant performance, anti-microbial performance, oil product, chemicals are had fabulous corrosion resistance.Common cable does not have resistance to wear and corrosion resistance.
2, antitorque commentaries on classics performance and bending property excellence: finished cable is under-40 ℃～50 ℃ low temperature environment, can stand positive and negative each four transfer to once, windup-degree is 360 °, number of times is no less than 3000 times antitorque commentaries on classics performance test, and conductor does not rupture, jacket surface does not crack to require cable testing to finish afterwards.Common cable is not suitable for reversing under low temperature condition.
3, suitable environment temperature-40 ℃～+ 1 00 ℃, operating temperature is-40 ℃～+ 90 ℃.The common cable operating temperature is 0 ℃～70 ℃.
4, the temperature of laying of cable is not less than-30 ℃, common cable lay temperature for being not less than 0 ℃;
5, Cable Bending Radius: fixed installation is not less than 6 times of the outside diameter of cable, and mobile installation is not less than 8 times of the outside diameter of cable.The bending radius of common cable is 20 times of the outside diameter of cable.
The utility model content
The purpose of this utility model is to provide a kind of shielded flexible cable of low-temperature torsion resistance used for wind-energy power generation.The utility model is on traditional wind energy cable basis, the design woven shield increases function of shielding, makes cable have carrying short circuit current function and jamproof function in use, make that cable is anti-twist, low temperature resistant, weatherability, corrosion resistance, in use safety and reliability.
For this reason, the shielded flexible cable with low-temperature torsion resistance used for wind-energy power generation that the utility model provides comprises conductor, insulating barrier, inserts, belting layer, screen and external sheath layer, and division is as follows:
1, conductor: conductor adopts the oxygen-free copper of high-quality, and the purity of copper reaches 99.99%.Conductor adopts zinc-plated or tin-coated copper conductor not according to user's requirement, and conductor adopts the 5th class that meets the GB/T3956 regulation or the requirement of the 6th class conductor structure.Conductive surface should bright and clean, no greasy dirt, the burr of not damaged insulation, and the single line of projection or fracture.The cable core number is 2 cores, 3 cores, 4 cores, 5 cores, 6 cores, 12 cores, 18 cores, 24 cores and 36 cores etc.
2, insulating barrier: TPE elastomer or flexible silane crosslinking polyolefin elastic body material low temperature resistant, corrosion-resistant, oil resistant are adopted in insulation, the resistance to low temperature of insulation can reach-40 ℃, thickness of insulating layer is selected for use and is fit to 1kV level and following voltage withstand class thickness, meets the regulation of TICW 1-2009.
3, screen is between external sheath layer and the belting layer: screen is a copper wire braid shielded version, and the count of copper wire braid shielded should be no less than 80%, guarantees that cable has good shielding properties, has bending property preferably simultaneously.
4, oversheath: oversheath adopts the TPU elastomer or the TPE elastomeric material of low temperature resistant, wear-resisting, ageing-resistant, oil resistant, excellent anti-corrosion performance, and the resistance to low temperature of restrictive coating can reach-40 ℃.Restrictive coating thickness is selected for use and is fit to 1kV level and following voltage withstand class thickness, should meet the regulation of TICW 1-2009.
5, other as inserts, belting layer consistent with cable commonly used then.
The technical indicator that has of reversing cable for wind power generation that the utility model provides:
1, cable voltage test: stand to exchange 3.5kV, continue 5 minutes, do not puncture.
2, the shielding factor of cable is not more than 0.6.
3, cable warp resistance test
It is 10 meters that the cable sample is turned round length, and vertical hanging is in room temperature environment, and positive and negative 4 circles (1440 °) that respectively reverse are as 1 time, rotating speed is 360 °/minute, so repeats 3000 times, turns round the back cable surface and should not ftracture, and stand 3.5kV voltage, continue 5 minutes, cable does not puncture.
4, the anti-torsion test under the cable limiting temperature
The cable sample freely hangs, one end is fixed, and the other end links to each other with runner, and runner reverses earlier 4 circles (1440 °) clockwise, return to initial state then and reverse 4 circles (1440 °) again as one-period, rotating speed is 360 °/minute, so repeats 10 cycles, turns round the back cable surface and should not ftracture, and it is under water after 1 hour, stand 3.5kV voltage, continue 5 minutes, cable does not puncture.
5, cable is by single testing vertical flammability.
The flexible cable that the utility model provides innovative point structurally is:
1. structure innovation: design shielding construction on traditional wind energy cable basis, guarantee that product has performances such as good anti-twist, low temperature resistant, weather-resistant, corrosion resistance and shielding, it is more extensive safer that product is used;
2. power and control model comprehensive Design: product uses rated voltage to be merged into a kind of rated voltage 0.6/1kV of electric pressure as the power cable of 0.6/1kV and rated voltage as two kinds of electric pressures of control cable of 450/750kV, thereby makes the easier selection of product.
Description of drawings
The structural representation of the 12 core shielded flexible cables that Fig. 1 provides for the utility model.
Among the figure: 1. conductor 2. insulating barriers 3. inserts 4. belting layers 5. screens 6. oversheaths.
Embodiment
12 core shielded flexible cables as shown in Figure 1, wherein
Conductor 1:
Conductor adopts the 5th class or the 6th class conductor structure of GB/T3956 regulation, can zinc-plated or not zinc-plated two kind, and conductive surface is bright and clean, no burr, cut.
Insulating barrier 2:
Insulating material adopts elastic body insulated material of TPE or flexible silane crosslinking polyolefin elastic body material,, insulation thickness meets the requirement of TICW 1-2009 regulation, guarantee insulated wire cores have good anti-ly reverse, high strength and electrical insulation properties.Between insulating barrier inserts 3 fillings.
Stranding:
Band 4 adopts polyester belt, and double-layer overlapping is wrapped, and the rate of putting up is 20-30%.Wrapped should be tight, smooth, must not disconnect, lack layer, folding and crumple.
Screen 5:
Screen is a copper wire braid shielded version, and the count of copper wire braid shielded should be not less than 80%, and braid does not allow integral body to continue, and the copper cash head that exposes should be repaiied together.
Oversheath 6:
External sheath layer adopts the flame-retardant polyurethane elastomer sheathing material, and external sheath layer thickness meets the requirement of TICW1-2009 regulation, makes cable have very strong resistance to wear and resistance to bend(ing) energy, has environmental corrosion resisting performance and fire resistance preferably simultaneously.
Claims (4)
1. a shielded flexible cable with low-temperature torsion resistance used for wind-energy power generation comprises conductor, insulating barrier, inserts, belting layer, external sheath layer, it is characterized in that screen is between belting layer and the external sheath layer, and described screen is the shielding construction of copper wire braiding.
2. by the described shielded flexible cable of claim 1, it is characterized in that the count of copper wire woven shield should be not less than 80%.
3. by the described shielded flexible cable of claim 1, it is characterized in that described conductor is 2 cores, 3 cores, 4 cores, 5 cores, 6 cores, 12 cores, 18 cores, 24 cores or 36 cores.
4. by the described shielded flexible cable of claim 1, it is characterized in that belting layer is that double-layer overlapping is wrapped, the rate of putting up is 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202085634U CN201607975U (en) | 2009-08-28 | 2009-08-28 | Low temperature resistant shielding flexible cable for torsion wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202085634U CN201607975U (en) | 2009-08-28 | 2009-08-28 | Low temperature resistant shielding flexible cable for torsion wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201607975U true CN201607975U (en) | 2010-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202085634U Expired - Fee Related CN201607975U (en) | 2009-08-28 | 2009-08-28 | Low temperature resistant shielding flexible cable for torsion wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201607975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403058A (en) * | 2011-06-09 | 2012-04-04 | 上海朗达电缆（集团）有限公司 | Railway locomotive cable and manufacturing process thereof |
-
2009
- 2009-08-28 CN CN2009202085634U patent/CN201607975U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403058A (en) * | 2011-06-09 | 2012-04-04 | 上海朗达电缆（集团）有限公司 | Railway locomotive cable and manufacturing process thereof |
| CN102403058B (en) * | 2011-06-09 | 2013-10-09 | 上海朗达电缆（集团）有限公司 | Railway locomotive cable and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20120828 |