CN203826106U - Radiation-proof super cold resistant wind power generation electric cable - Google Patents
Radiation-proof super cold resistant wind power generation electric cable Download PDFInfo
- Publication number
- CN203826106U CN203826106U CN201420077405.0U CN201420077405U CN203826106U CN 203826106 U CN203826106 U CN 203826106U CN 201420077405 U CN201420077405 U CN 201420077405U CN 203826106 U CN203826106 U CN 203826106U
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- layer
- cable
- power generation
- wind power
- cold
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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
Abstract
The utility model discloses a radiation-proof super cold resistant wind power generation electric cable comprising a plurality of conductors; each conductor comprises a conducting wire which is arranged at the central part, a semi-electric-conduction polyethylene layer, an insulating layer and a shielding layer; the semi-electric-conduction polyethylene layer, the insulating layer and the shielding layer are orderly wrapped outside the conducting wire; each insulating layer is made of a cold resistant silicone rubber, a metal shielding layer is adopted as each shielding layer, the cable is formed by lengthwise arranging the plurality of conductors in a parallel manner, a non-woven cloth layer is wrapped outside a cable core, an inner protection sleeve is wrapped outside the non-woven cloth layer, a lubricating layer is wrapped outside the inner protection sleeve, an outer protection sleeve is wrapped outside the lubricating layer, and the inner protection sleeve and the outer protection sleeve are made of cold resistant silicone rubbers. The radiation-proof super cold resistant wind power generation electric cable brought forward by the utility model is simple in structure and good in radiation-proof performance, the electric cable can be safely used in cold environment for a long time, and the electric cable is specifically suitable for wind power generation in a low temperature region.
Description
Technical field
The utility model relates to cable technology field, relates in particular to the super cold-resistant cable for wind power generation of a kind of radiation proof.
Background technology
At present, the cable of China's wind power generation special use is still in the starting stage.Because the environment of wind power generation is severe, blower fan is longer service life, higher to the performance requirement of cable.The environmental quality of wind energy cable operation is long-term moving going in outdoor, vertical unsettled setting up, and frequent torsion (automatically going off course to wind), contact greasy dirt direct sunlight etc., ocean cable for wind power generation also will prevent the corrosion of seawater simultaneously.Due to the harshness of cable running environment and condition, the requirements such as so also very high to the requirement of cable for wind power generation, mechanical strength is high, low temperature resistant, radiation proof.
Utility model content
In order to solve the technical problem existing in background technology, the utility model proposes the super cold-resistant cable for wind power generation of a kind of radiation proof, it is simple in structure, shielding property is good, can under cold environment, use safety for a long time.
The super cold-resistant cable for wind power generation of a kind of radiation proof the utility model proposes, comprises by a plurality of conductors; Each conductor comprises the wire in the middle part of being positioned at and semiconductive polyethylene layer, insulating barrier and the screen that is coated on successively wire outside, and insulating barrier adopts cold-resistant silicon rubber to make, and described screen adopts metal screen layer; By the parallel vertical cable that is set to of a plurality of conductors, in the outside coated nonwoven layer of cable core, at the outside coated inner sheath of nonwoven layer, at the outside coated lubricating layer of inner sheath, at the outside coated oversheath of lubricating layer, described inner sheath and described oversheath all adopt cold-resistant silicon rubber to make.
Preferably, described wire adopts many stranded the forming of copper free wire.
Preferably, described conductor is symmetrical arranged in cable.
Preferably, described screen adopts copper strips to put up vertical packet form.
Preferably, described nonwoven layer is provided with Z-Correct bump mapping Z-correct.
Preferably, described lubricating layer adopts thin metal bisque.
In the utility model, insulating barrier, inner sheath and oversheath adopt cold-resistant silastic material to make, and strengthen cable service behaviour at low temperatures; Semiconductive polyethylene layer is set between wire and insulating barrier, prevents gap therebetween, and play the effect of internal shield, guarantee wire equipotential and with insulating barrier good contact, avoid wire and surface of insulating layer generation partial discharge; The nonwoven layer in conductor outer cladding with Z-Correct bump mapping Z-correct, when cable bend, makes cable core have sufficient activity space; Duplex sheath design has strengthened the resistance to low temperature of cable, between duplex sheath layer, lubricating layer is set simultaneously, improved the warp resistance performance of cable, has made up the deficiency of distortion performance that copper strips is put up the screen of vertical bag; The screen of insulating barrier outside adopts copper strips to put up vertical packet form, forms totally-enclosed metal level, can reach effective function of shielding, is conducive to cable grounding simultaneously; The design of double layer screen, plays double shield to the shielding property of cable; Cable symmetrical structure, due to the interchangeability of conductor, makes the anti-interference between conductor better, to suppressing electromagnetic interference, works.The wind power generation that cable of the present utility model is particularly useful for low temp area uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of the super cold-resistant cable for wind power generation of a kind of radiation proof that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of the super cold-resistant cable for wind power generation of a kind of radiation proof that the utility model proposes.
With reference to Fig. 1, the super cold-resistant cable for wind power generation of a kind of radiation proof the utility model proposes, comprises three conductors 1.
Conductor 1 is inner for adopting the many stranded wires that form 11 of copper free wire, the outside coated semiconductive polyethylene layer 12 of wire 11, the outside coated insulation layer 13 of semiconductive polyethylene layer 12.Semiconductive polyethylene layer 12 is bonded together wire 11 and insulating barrier 13, prevent the gap between wire 11 and insulating barrier 13, and play the effect of internal shield, guarantee wire 11 equipotentials and with insulating barrier 13 good contacts, avoid wire 11 and insulating barrier 13 surfaces to produce partial discharges.Insulating barrier 13 adopts cold-resistant silicon rubber to make, and when making proximity conductor mutually insulated, cable has cold tolerance.At the outside coated copper strips that adopts of insulating barrier 13, put up the screen 14 that vertical bag forms, formed totally-enclosed metal level, can reach effective function of shielding, to guarantee to suppress the external transmitting of the internal radiation of external electromagnetic waves and internal electrical magnetic wave, be conducive to cable grounding simultaneously.The design of double layer screen, plays double shield to the shielding property of cable.
Three identical conductor 1 symmetrical parallel are indulged and put, in the outside coated nonwoven layer 2 with Z-Correct bump mapping Z-correct of all conductors 1, when cable bend, make cable core there is sufficient activity space.The symmetrical construction of cable, due to the interchangeability of conductor 1, further plays the effect that suppresses electromagnetic interference, can offset the humorous odd frequency in that of high order, improves the anti-interference of cable, has reduced the electromagnetic radiation in whole system.The outside coated inner sheath 3 of nonwoven layer 2, the outside coated oversheath 5 of inner sheath 3, inner sheath 3 and oversheath 5 all adopt cold-resistant silastic material to make.
Between inner sheath 3 and oversheath 5, be provided with thin aluminium powder layer 4; this can make between internal layer cover 3 and oversheath 5 very lubricated; when oversheath 5 is subject to twisting force; further protect inner sheath 3 and inner conductor 1; improve the warp resistance of cable, make up the deficiency that copper strips is put up the distortion performance of the vertical screen 14 wrapping.And the setting of thin aluminium powder layer 4, during destroyed or breaking out of fire, is easy to from cable stripping oversheath 5 at oversheath 5.
Preferably, the cold-resistant silastic material that insulating barrier 13, inner sheath 3 and oversheath 5 adopt comprises following component according to mass fraction: 55-78 part low-phenyl silicone rubber, 15-45 part precipitated silica, 25-35 part rare earth oxide, 2.4-4 part ethene silicone oil, 0.1-0.5 part Pt catalyst; Particularly, 60 parts of low-phenyl silicone rubbers, 30 parts of precipitated silicas, 30 parts of rare earth oxides, 3 parts of ethene silicone oil, 0.2 part of Pt catalyst.This cold-resistant silastic material adopts low-phenyl silicone rubber material, has advantages of that temperature range is wide, mechanical property good; White carbon add the mechanical performance that has strengthened cold-resistant silicon rubber; Add rare earth oxide to play the effect of anti-irradiation.Sheath that this cold-resistant silastic material is made is cold-resistant heat-resisting, anticorrosion, resistance to wear is good, anti-radiation performance is good simultaneously, adopts the cable of this sheath to be particularly suitable for for a long time in the environment such as wind power generation and nuclear power.
According to the super cold-resistant cable for wind power generation of the radiation proof of the present embodiment, after testing, its electric pressure is 1.8/3kV; The result that withstand voltage test obtains is 6.5kV/min; Insulation resistance is 500 Ω .km; Conductor allows working temperature to be-55-180 ℃ for a long time; The minimum median of insulation tensile strength is 5.0Mpa; Extension rate≤175 under the load that insulate heat elongation test obtains; Cooling rear permanent extension rate≤25; In ozone resistance test, at 25 ± 2 ℃ of temperature, time 24h, under the condition that ozone concentration is 0.025-0.030%, does not ftracture; Bending radius is not less than 15 times of the outside diameter of cable.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection range of the present utility model.
Claims (6)
1. the super cold-resistant cable for wind power generation of radiation proof, is characterized in that, comprises by a plurality of conductors (1); Each conductor (1) comprises semiconductive polyethylene layer (12), insulating barrier (13) and the screen (14) that is positioned at the wire (11) at middle part and is coated on successively wire (11) outside, insulating barrier (13) adopts cold-resistant silicon rubber to make, and described screen (14) adopts metal screen layer; By the parallel vertical cable that is set to of a plurality of conductors (1), in the outside coated nonwoven layer (2) of cable core, at the outside coated inner sheath (3) of nonwoven layer (2), at the outside coated lubricating layer (4) of inner sheath (3), at the outside coated oversheath (5) of lubricating layer (4), described inner sheath (3) and described oversheath (5) all adopt cold-resistant silicon rubber to make.
2. the super cold-resistant cable for wind power generation of radiation proof according to claim 1, is characterized in that, described wire (11) adopts many stranded the forming of copper free wire.
3. the super cold-resistant cable for wind power generation of radiation proof according to claim 1, is characterized in that, described conductor (1) is symmetrical arranged in cable.
4. the super cold-resistant cable for wind power generation of radiation proof according to claim 1, is characterized in that, described screen (14) adopts copper strips to put up vertical packet form.
5. the super cold-resistant cable for wind power generation of radiation proof according to claim 1, is characterized in that, described nonwoven layer (2) is provided with Z-Correct bump mapping Z-correct.
6. the super cold-resistant cable for wind power generation of radiation proof according to claim 5, is characterized in that, described lubricating layer (4) adopts thin metal bisque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077405.0U CN203826106U (en) | 2014-02-23 | 2014-02-23 | Radiation-proof super cold resistant wind power generation electric cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077405.0U CN203826106U (en) | 2014-02-23 | 2014-02-23 | Radiation-proof super cold resistant wind power generation electric cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826106U true CN203826106U (en) | 2014-09-10 |
Family
ID=51481580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077405.0U Expired - Fee Related CN203826106U (en) | 2014-02-23 | 2014-02-23 | Radiation-proof super cold resistant wind power generation electric cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871663A (en) * | 2014-02-23 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Anti-radiation super cold-resistant cable for wind power generation |
| CN105713392A (en) * | 2016-03-25 | 2016-06-29 | 安徽瑞侃电缆科技有限公司 | Aluminum conductor power cable material with excellent mechanical property |
-
2014
- 2014-02-23 CN CN201420077405.0U patent/CN203826106U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871663A (en) * | 2014-02-23 | 2014-06-18 | 安徽华海特种电缆集团有限公司 | Anti-radiation super cold-resistant cable for wind power generation |
| CN105713392A (en) * | 2016-03-25 | 2016-06-29 | 安徽瑞侃电缆科技有限公司 | Aluminum conductor power cable material with excellent mechanical property |
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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: 20140910 Termination date: 20150223 |
|
| EXPY | Termination of patent right or utility model |