CN201886803U - Shallow water cable for wind power generation - Google Patents
Shallow water cable for wind power generation Download PDFInfo
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- CN201886803U CN201886803U CN2010205324220U CN201020532422U CN201886803U CN 201886803 U CN201886803 U CN 201886803U CN 2010205324220 U CN2010205324220 U CN 2010205324220U CN 201020532422 U CN201020532422 U CN 201020532422U CN 201886803 U CN201886803 U CN 201886803U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a shallow water cable for wind power generation. The shallow water cable comprises conductors, water-resisting belts, insulating layers and inside liners, wherein a first water-resisting belt and an extruded insulating layer are sequentially wrapped outside the conductors to form an insulated core, and a plurality of insulated cores are stranded to form a cable core; a first inside liner and a second water-resisting belt are sequentially wrapped outside the cable core; and the insulating layers and the first inside liner are extruded by TPE (Thermo Plastic Elastomer). In the utility model, the insulating layers are made from TPO (Thermoplastic Polyolefin) in TPE, and the first inside liner is made from TPS (Thermoplastic Starch) in TPE. TPE has not only excellent electrical performance but also favorable mechanical property, particularly, can still maintain favorable flexibility in the temperature of 60 DEG C below zero, has good bending-resistant and twisting-resistant performance in low temperature, can work in higher temperature (the highest temperature can reach 125 DEG C) for a long period of time, and has better water resistance and extremely good anti-salt fog property. TPO has more excellent electrical property. The water resistance of TPS is better than that of TPO.
Description
Technical field
The utility model relates to a kind of cable, the cable that particularly a kind of shallow sea wind is used.
Background technology
Wind power generation is one of electricity-generating method of the most ripe, the on the largest scale exploitation condition of technology and commercialized development prospect in the regenerative resource, for readjust the energy structure, to alleviate environmental pollution significant, also be to ensure that the energy and electric power safety supply with, realize that STRATEGIES OF SUSTAINABLE DEVELOPMENT selects.Countries in the world pay attention to day by day wind generating technology.The THE WIND ENERGY RESOURCES IN CHINA reserves occupy first place in the world, and mainly concentrate on northwest, northeast and coastal area.Since the reform and opening-up, wind-powered electricity generation obtained tremendous development in China, had built more than 40 of wind energy turbine set by 2003,56.7 ten thousand kilowatts of installed capacitys, the 9th in the row world.Landwid electric field build fast-developing in, it has been observed that some restrictions that the land Wind Power Utilization is suffered, problems such as, noise pollution big as floor space.Because the marine abundant wind energy resources and the feasibility of current technology, the ocean will become a wind-power market that develops rapidly.American-European marine wind electric field has been in the eve of large-scale development.Deposits in Eastern Coastal China depth of water 50m is vast with interior oceanic area, and it is very near apart from power load center (the flourishing power shortages of coastal economy district), full-fledged along with the offshore wind farm field technology, wind-powered electricity generation will become the important energy source source of Deposits in Eastern Coastal China area sustainable development.
Existing wind-force cable generally all is to be used in land wind power plant institute, and aspects such as its mechanical strength, water resistance, decay resistance, desertification stone mill damage are not suitable for using in the seabed for a long time.
Chinese patent ZL200920186852.9 discloses a kind of " anti-icing flurry power cable blocks water ", outside conductor wrapped successively waterstop, extrude the insulating barrier of making by natural butadiene-styrene rubber and form insulated wire cores, the stranded formation cable cores of edge core that thoroughly do away with more, be filled with packed layer in the cable core gap, outside cable core and packed layer wrapped successively total waterstop, extrude oversheath.This cable is cold-resistant, the anti-poor performance of turning round, and can not use at low temperatures, and tensile strength is not enough, is not suitable for using in the seabed for a long time.
Chinese patent Z200920043813.3 discloses " a kind of rated voltage 35kv and following shallow sea wind farm photoelectricity transmission composite cable ", comprise the cable core that is provided with lead and blocks water filling member and be coated on the cable core outer belting layer that blocks water, plastic-aluminum combined belt, inner sheath, wire armoring layer, oversheath successively, in cable core, be provided with the optical fiber communication unit, between wire armoring layer and oversheath, be provided with the steel-tape armouring layer.The structure of optical fiber communication unit is: coat sheath, armour, outer jacket outside optical fiber loose tube successively.The conductor of lead adopts double-decker: the central core conductor coats central core semiconductive water blocking tape layer again with stranded the forming of copper wire of multiply coating greasy for preventing water; Outer contact is coated on outside the central core semiconductive water blocking tape layer with the copper wire that multiply applies greasy for preventing water, coats outer semiconductive water blocking tape layer again.Though this cable has certain tensile strength, complex structure, resistance to bend(ing) can wait defective inadequately.
The utility model content
The purpose of this utility model provide a kind of tensile strength height, water resistance good, be suitable for the long-term shallow sea wind cable that uses and use on the water under water.
The technical scheme that realizes the utility model purpose is a kind of shallow sea wind cable, comprises conductor, waterstop, insulating barrier and inner covering; Wrapped successively outward first waterstop of described conductor, extruded insulation layer form insulated wire cores, thoroughly do away with the edge core more and are twisted into cable core; Wrapped successively first inner covering and second waterstop outside cable core; The described insulating barrier and first inner covering adopt the extruding of TPE material to form, and insulating barrier adopts the TPO material among the TPE, and first inner covering adopts the TPS material among the TPE.
Shallow sea wind also comprises the screen and second inner covering with cable; Described screen adopts zinc-plated soft copper silk between first inner covering and second waterstop, screen can twine or weave formation, and shielding density is not less than 80%; Described second inner covering is positioned at the second waterstop skin, adopts the crowded pipe of TPS in the TPE material to form.
Shallow sea wind also comprises armour and oversheath with cable, at wrapped successively first armour of the second waterstop skin, the 3rd waterstop, second armour, the 4th waterstop and oversheath.
Described conductor adopts zinc-plated soft copper silk; The lay ratio that copper wire is made strand is 15～18 times; The ectonexine strand that strand twists again is 8～9 times to, lay ratio identical with lay ratio.
Described insulated wire cores center gap is filled with a rubber bar.
The lay ratio of described insulated wire cores is 8～10 times.
Be filled with talcum powder between described first inner covering and the insulated wire cores.
Described first armour adopts aircraft cable, at aircraft cable surface plating one deck zinc.
Described second armour adopts the seizing wire braiding to form, and count is not less than 90%.
Described oversheath adopts duplex sheath, and sheath adopts high density polyethylene (HDPE); Outer jacket adopts thermoplastic polyether urethane (TPU).
After having adopted technique scheme, the utlity model has following beneficial effect: (1) insulating barrier of the present utility model adopts the TPO material among the thermoplastic elastomer TPE, first inner covering adopts the TPS material among the TPE, TPE not only has good electric property, also has good mechanical performance simultaneously, particularly in the time of-60 ℃, still keep good pliability, low-temperature bending and anti-twisting property excellence, the long-term work temperature is also than higher, reach as high as 125 ℃, and water resistance is relatively good, and the salt fog resistance performance is splendid.The electrical property of TPO is excellent more, and the water resistance of TPS is also better than TPO.
(2) when cable of the present utility model also has screen, then be suitable as control cable and use, can reduce signal and disturb, or to others interference.
(3) the utility model at waterborne with under water to the different requirements of cable, when being used under water occasion for a long time, structures such as armour and oversheath have been increased, the construction of cable with use under water waterborne can be different, but production method unanimity, production efficiency can reduce to install and lay difficulty than higher simultaneously like this, does not need transition joint and transducer.
(4) conductor of the present utility model adopts zinc-plated soft copper silk, has improved the corrosion resistance of cable greatly, prevents by seashore humid air and salt mist environment institute corrosion oxidation, guarantees to keep in running excellent electric property, cable long service life.Control, the strand that copper wire is made the strand lay ratio twist again adopt the identical strand of ectonexine to, and ectonexine lay ratio unanimity, and control pitch diameter can guarantee the bending property and the antitorque commentaries on classics performance of conductor like this.
(5) cable is because water inlet, the air gap that diverging that moisture in the cable insulation forms under the high voltage electric field effect or knot are capable is exactly the water tree, the water tree can make the quick aging of insulation macromolecule, insulation electrical and mechanical performance sharply descend, the a large amount of electric energy of water tree meeting loss of conduction, and cause that finally cable insulation punctures, thereby significantly reduce the life-span of cable, being provided with of four waterstops of the present utility model can prevent effectively that cable conductor from making moist, prevent from the to insulate generation of water tree reduces the loss of energy.
(6) the utility model is placed a rubber bar in the center gap of insulated wire cores, can make the cable rounding, when cable reverses, prevents the core displacement.
(7) the utility model is controlled at 8～10 times with the lay ratio of stranding, can guarantee the bending and the anti-twisting property of cable.
(8) the utility model is filled with talcum powder between first inner covering and insulated wire cores, guarantees inner covering and insulated wire cores adhesion, and inner covering can play the effect that effectively blocks water simultaneously.
(9) of the present utility modelly be used for cable waterborne and can be rotated, except having other coastal waters cable performances, also have cold-resistant, the anti-performance of turning round, can under-60 ° of ambient temperatures, work along with fan blade.
(10) the utility model adopts zinc-plated aircraft cable to carry out armouring, aircraft cable is twisted together by many finer wires, soft, tensile strength is bigger, can prevent effectively that seawater from impacting the pulling force that produces, at aircraft cable surface plating one deck zinc, can effectively prevent oxidation and corrosion.
(11) the utility model adopts seizing wire to weave armouring on high-speed knitter, and count is not less than 90%, and this armour can effectively prevent the impact and the collision of seabed sandstone, and protection cable inside is injury-free.
(12) oversheath of the present utility model adopts duplex sheath, and inner sheath is adopted TPS, and block-water performance is relatively good.The outer thermoplastic polyether urethane (TPU) that adopts, this material hydrolysis, oil resistant, corrosion-resistant, wear-resisting, elasticity is fine, and collision has certain shock-absorbing capacity to Stone Shock, can well protect the cable internal structure under water.
(13) under water the cable of being used for of the present utility model is than other coastal waters cable softnesses, and bending property is relatively good, can prevent big exterior mechanical pulling force the cable stretch bending, destroys the cable internal structure.
Description of drawings
Content of the present utility model is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a structural representation of the present utility model.
Label is in the accompanying drawing:
Embodiment
(embodiment 1)
See Fig. 1, a kind of shallow sea wind cable of present embodiment is particularly suitable for occasion waterborne, also can be used under water, comprises conductor 1, waterstop 2, insulating barrier 3, inner covering 4, rubber bar 6 and screen 5.Conductor 1 outer wrapped successively first waterstop 21, extruded insulation layer 3 form insulated wire cores, thoroughly do away with the edge core more and are twisted into cable core; Wrapped successively first inner covering 41, screen 5, second waterstop 22, second inner covering 42 outside cable core.
The insulating barrier 3 and first inner covering 41 adopt the TPO material extruding among the TPE to form, and second inner covering 42 adopts the TPS material among the TPE to squeeze pipe and forms.
The lay ratio of insulated wire cores is 8～10 times.The insulated wire cores center gap is filled with a rubber bar 6.
Be filled with talcum powder between first inner covering 41 and the insulated wire cores.
Screen 5 adopts zinc-plated soft copper silk, can twine or weave formation, and shielding density is not less than 80%.
Above cable can be used as operation at sea and uses, and has good bending and the anti-performance of turning round, and performances such as low temperature resistant, corrosion-resistant, oil resistant, water-fast, weather are relatively good.
(embodiment 2)
Still see Fig. 1, present embodiment 2 has increased armour 7 and oversheath 8 on the basis of embodiment 1, the resistance to wear when using to adapt to the long-term bottom and the requirement of pull resistance.Specifically, its structure is: conductor 1 outer wrapped successively first waterstop 21, extruded insulation layer 3 form insulated wire cores, thoroughly do away with the edge core more and are twisted into cable core; Rubber bar 6 is filled in the gap of insulated wire cores; Wrapped successively first inner covering 41, first inner covering 41, screen 5, second waterstop 22, second inner covering 42, first armour 71, the 3rd waterstop 23, second armour 72, the 4th waterstop 24 and oversheath 8 outside cable core.
Oversheath 8 adopts duplex sheath, the TPS that sheath 81 adopts in the TPE material; Outer jacket 82 adopts thermoplastic polyether urethane (TPU).
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a shallow sea wind cable is characterized in that: comprise conductor (1), waterstop (2), insulating barrier (3) and inner covering (4); Outer wrapped successively first waterstop (21) of described conductor (1), extruded insulation layer (3) form insulated wire cores, thoroughly do away with the edge core more and are twisted into cable core; Wrapped successively first inner covering (41) and second waterstop (22) outside cable core; Described insulating barrier (3) and first inner covering (41) adopt the extruding of thermoplastic elastomer (TPE) TPE material to form; Described insulating barrier (3) adopts the TPO material among the TPE, and first inner covering (41) adopts the TPS material among the TPE.
2. a kind of shallow sea wind cable according to claim 1 is characterized in that: also comprise screen (5) and second inner covering (42); Described screen (5) is positioned between first inner covering (41) and second waterstop (22), adopts zinc-plated soft copper silk, and screen (5) can twine or weave formation, and shielding density is not less than 80%; Described second inner covering (42) is positioned at second waterstop (22) skin, adopts the crowded pipe of TPS in the TPE material to form.
3. a kind of shallow sea wind cable according to claim 1 and 2 is characterized in that: also comprise armour (7) and oversheath (8); At second waterstop (22) wrapped successively first armour of skin (71), the 3rd waterstop (23), second armour (72), the 4th waterstop (24) and oversheath (8).
4. a kind of shallow sea wind cable according to claim 3 is characterized in that: described conductor (1) adopts zinc-plated soft copper silk; The lay ratio that copper wire is made strand is 15～18 times; The ectonexine strand that strand twists again is 8～9 times to, lay ratio identical with lay ratio.
5. a kind of shallow sea wind cable according to claim 4 is characterized in that: described insulated wire cores center gap is filled with a rubber bar (6).
6. a kind of shallow sea wind cable according to claim 5 is characterized in that: the lay ratio of described insulated wire cores is 8～10 times.
7. a kind of shallow sea wind cable according to claim 6 is characterized in that: be filled with talcum powder between described first inner covering (41) and the insulated wire cores.
8. a kind of shallow sea wind cable according to claim 7 is characterized in that: described first armour (71) adopts aircraft cable, at aircraft cable surface plating one deck zinc.
9. a kind of shallow sea wind cable according to claim 8 is characterized in that: described second armour (72) adopts the seizing wire braiding to form, and count is not less than 90%.
10. a kind of shallow sea wind cable according to claim 9 is characterized in that: described oversheath (8) adopts duplex sheath, and sheath (81) adopts TPS; Outer jacket (82) adopts thermoplastic polyether urethane TPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205324220U CN201886803U (en) | 2010-09-16 | 2010-09-16 | Shallow water cable for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205324220U CN201886803U (en) | 2010-09-16 | 2010-09-16 | Shallow water cable for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886803U true CN201886803U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205324220U Expired - Lifetime CN201886803U (en) | 2010-09-16 | 2010-09-16 | Shallow water cable for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886803U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708976A (en) * | 2012-05-19 | 2012-10-03 | 辽宁金环电缆有限公司 | Offshore floating electric cable |
| CN103871551A (en) * | 2012-12-12 | 2014-06-18 | 西安飞机工业（集团）亨通航空电子有限公司 | High-strength self-floating above-water oil gas and electric trunk line soft integrated cable |
| CN103915182A (en) * | 2014-03-10 | 2014-07-09 | 安徽省高沟电缆有限公司 | Anti-ultraviolet high-temperature-resistant waterproof dual-shielding multi-core coaxial reinforcing cable |
| CN103915193A (en) * | 2014-03-12 | 2014-07-09 | 安徽省高沟电缆有限公司 | High-temperature-resistant waterproof self-temperature-control heating double-shielding reinforced power cable |
-
2010
- 2010-09-16 CN CN2010205324220U patent/CN201886803U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102708976A (en) * | 2012-05-19 | 2012-10-03 | 辽宁金环电缆有限公司 | Offshore floating electric cable |
| CN102708976B (en) * | 2012-05-19 | 2014-03-26 | 辽宁金环电缆有限公司 | Offshore floating electric cable |
| CN103871551A (en) * | 2012-12-12 | 2014-06-18 | 西安飞机工业（集团）亨通航空电子有限公司 | High-strength self-floating above-water oil gas and electric trunk line soft integrated cable |
| CN103915182A (en) * | 2014-03-10 | 2014-07-09 | 安徽省高沟电缆有限公司 | Anti-ultraviolet high-temperature-resistant waterproof dual-shielding multi-core coaxial reinforcing cable |
| CN103915193A (en) * | 2014-03-12 | 2014-07-09 | 安徽省高沟电缆有限公司 | High-temperature-resistant waterproof self-temperature-control heating double-shielding reinforced power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20120822 |