CN109686483A - The high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines - Google Patents
The high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines Download PDFInfo
- Publication number
- CN109686483A CN109686483A CN201910069206.2A CN201910069206A CN109686483A CN 109686483 A CN109686483 A CN 109686483A CN 201910069206 A CN201910069206 A CN 201910069206A CN 109686483 A CN109686483 A CN 109686483A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- cable
- patch unit
- corrosion
- protection pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
Abstract
The invention discloses the high-intensitive resistance to corrosion-resistant special cables of torsion of coastal Wind turbines, including core wire ontology and protection pipe, core wire ontology includes multiple cable cores and the oversheath for surrounding the cable core, cable core successively includes conductor from inside to outside, insulating layer, flame-retardant layer, armor and sheath, the section of oversheath is equilateral triangle, oversheath has 3 sides, each side is fixedly connected with the stainless steel patch unit extended longitudinally along the cable, the stainless steel cable that the side edge of stainless steel patch unit has section rounded, there is cavity in stainless steel patch unit, stainless steel patch unit further includes the through hole through stainless steel patch unit upper and lower surface, through hole is between stainless steel cable and oversheath, the section of protection pipe is circular ring shape, the inner sidewall of protection pipe has 3 strip grooves, each stainless steel cable is embedding Enter in a strip groove, the section of strip groove is arc line shaped.Cable insulation of the invention, fire-retardant, resistance to twisting can be good.
Description
Technical field
The present invention relates to field of cables, and in particular to a kind of high-intensitive resistance to corrosion-resistant extraordinary electricity of torsion of coastal Wind turbines
Cable.
Background technique
With the development of new energy technology, the generation technology application of the new energy such as wind-power electricity generation, photovoltaic power generation is more and more wider
General, matching used with wind generating technology is the equipment such as wind energy cable, wind power generating set；The structure of general wind energy cable
For, including conductor, insulating layer and restrictive coating, conductor be wrapped in insulating layer, insulating layer is wrapped in restrictive coating.But due to
The Special use environment of wind energy cable, need to have anti-oxidant, cold-resistant, resistance to greasy dirt, corrosion-resistant, anti-radiation, warp resistance, it is antifatigue,
The features such as high flexibility.And due to transmitting electric power, it is also necessary to which high heat dispersion and high flame retardant, existing wind energy cable is not
These requirements can be fully met.
Summary of the invention
Goal of the invention: the present invention is directed to overcome the deficiencies of existing technologies, it is high-intensitive resistance to that a kind of coastal Wind turbines are provided
Reverse corrosion-resistant special cable.
Technical solution: coastal Wind turbines cable, including core wire ontology and protection pipe, the core wire ontology includes multiple
Cable core and the oversheath for surrounding the cable core, the cable core successively include conductor, insulating layer, flame-retardant layer, armor from inside to outside
And sheath, the section of the oversheath are equilateral triangle, the oversheath has 3 sides, and each side is fixedly connected
There is the stainless steel patch unit extended longitudinally along the cable, the side edge of the stainless steel patch unit is in section
Circular stainless steel cable, the stainless steel patch unit is interior to have cavity, and the stainless steel patch unit further includes through stainless
The through hole of steel patch unit upper and lower surface, the through hole between stainless steel cable and oversheath, cut by the protection pipe
Face is circular ring shape, and the inner sidewall of the protection pipe has 3 strip grooves, and each stainless steel cable is embedded in a strip groove,
The section of the strip groove is arc line shaped.
Further, a portion of each stainless steel patch unit is viscous by the side of adhesive glue and the oversheath
Knot is fixed；Each stainless steel patch unit has through hole described in a row.
Further, the space in the protection pipe is divided into 3 spaces by the core wire ontology, and 3 spaces are in triangle
Shape is distributed, and the through hole in the stainless steel patch unit enables the space of the stainless steel patch unit two sides to be connected to.
It further, further include blower and inert gas storage device, the cavity of the stainless steel patch unit is along cable
Length direction, closed at one end, open at one end；The protection pipe is longitudinally along the cable, closed at one end, open at one end；The wind
Machine is connected with the first supervisor, and the end of the first supervisor is connected with 3 the first branch pipes, each first branch pipe and a stainless steel sheet
The cavity of unit is connected to；The inert gas storage device is connected with the second supervisor, and valve is provided on the second supervisor, and second is main
The end of pipe is connected with 3 the second branch pipes, and each second branch pipe is connected to a space of protection pipe.
Further, there are multiple support columns, multiple support columns are in two rows of rows in the cavity of the stainless steel patch unit
Column.
Further, the diameter in the stainless steel cable section is greater than distance between stainless steel patch unit both side surface
1.5 again.
Further, the insulating layer is ethylene propylene rubber insulated layer；The flame-retardant layer is low-smoke non-halogen flame-retardant layer.
Further, the sheath has polythene material to be made；The oversheath extrusion moulding；The armor is steel
Silk armor.
It further, further include control unit, multiple temperature sensors and multiple smoke inductors, multiple temperature sensors
It is arranged in the protection pipe with multiple smoke inductors, also has in the protection pipe for being smoke inductor and temperature
Sensor provides electric power and transmits the sensor wire of signal；The controller is controlled, when all temperature sensors
Measured value be respectively less than first threshold, and when all smoke inductors do not sense smog, make the blower and valve
It closes；When the measured value of more than one temperature sensor is more than or equal to first threshold, and the measurement of all temperature sensors
Value is respectively less than second threshold, when all smoke inductors do not sense smog, opens the blower, and make the valve
Door is closed；When the measured value of more than one temperature sensor is more than or equal to second threshold or more than one smoke inductor
When sensing smog, close the blower, valve opening.
Further, the first branch pipe is connect with the closed end of stainless steel patch unit；The closing of second branch pipe and protection pipe
End connection.
The utility model has the advantages that the setting of cable of the invention due to sheath, oversheath and protection pipe, has high-intensitive, resistance to
The performances such as corrosion, and the stainless steel tube sheet unit due to being provided with hard, can effectively realize resistance to twisting energy, and stainless
Cavity in steel patch unit realizes high efficiency and heat radiation, and protection pipe and inert gas storage device effectively realize fire-retardant go out
Fire.
Detailed description of the invention
Fig. 1 is the schematic cross-section of cable；
Fig. 2 is heat dissipation and the fire prevention schematic diagram of cable；
Fig. 3 is protection pipe schematic diagram.
Specific embodiment
Appended drawing reference: 1.1 conductors；1.2 insulating layer；1.3 flame-retardant layer；1.4 armor；1.5 sheath；1.6 oversheath；2
Stainless steel patch unit；2.1 cavity；2.2 support column；2.3 through hole；2.4 stainless steel cables；3 protection pipes；3.1 strip groove；
4.1 inert gas storage devices；4.2 blower.
A kind of high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines, including core wire ontology and protection pipe, institute
Stating core wire ontology includes multiple cable cores and the oversheath 1.6 for surrounding the cable core, and the cable core successively includes conductor from inside to outside
1.1, insulating layer 1.2, flame-retardant layer 1.3, armor 1.4 and sheath 1.5, the section of the oversheath are equilateral triangle, institute
Oversheath is stated with 3 sides, each side is fixedly connected with the stainless steel patch unit extended longitudinally along the cable
2, the stainless steel cable 2.4 that the side edge of the stainless steel patch unit 2 has section rounded, in the stainless steel patch unit
With cavity 2.1, the stainless steel patch unit further includes the through hole 2.3 through stainless steel patch unit upper and lower surface, institute
Through hole is stated between stainless steel cable and oversheath, the section of the protection pipe 3 is circular ring shape, the inner sidewall of the protection pipe
With 3 strip grooves, each stainless steel cable is embedded in a strip groove 3.1, and the section of the strip groove is arc line shaped.
A portion of each stainless steel patch unit is adhesively fixed by adhesive glue and the side of the oversheath；Often
A stainless steel patch unit has through hole described in a row.Space in the protection pipe is divided into 3 by the core wire ontology
Space, 3 space distributions triangular in shape, the through hole in the stainless steel patch unit make 2 liang of the stainless steel patch unit
The space of side can be connected to.It further include blower 4.2 and inert gas storage device 4.1, the cavity of the stainless steel patch unit
Longitudinally along the cable, closed at one end, open at one end；The protection pipe is longitudinally along the cable, closed at one end, open at one end；
The blower is connected with the first supervisor, and the end of the first supervisor is connected with 3 the first branch pipes, each first branch pipe and one it is stainless
The cavity of steel patch unit is connected to；The inert gas storage device is connected with the second supervisor, is provided with valve on the second supervisor,
The end of second supervisor is connected with 3 the second branch pipes, and each second branch pipe is connected to a space of protection pipe.It is described not
There are multiple support columns 2.2, multiple support columns 2.2 are in two rows of arrangements in the cavity for steel patch unit 2 of becoming rusty.The stainless steel cable
The diameter in 2.4 sections is greater than 1.5 times of distance between 2 both side surface of stainless steel patch unit.
The insulating layer is ethylene propylene rubber insulated layer；The flame-retardant layer is low-smoke non-halogen flame-retardant layer.The sheath has poly-
Vinyl material is made；The oversheath extrusion moulding；The armor is steel wire armor layer.It further include control unit, Duo Gewen
Degree sensor and multiple smoke inductors, multiple temperature sensors and multiple smoke inductors are arranged in the protection pipe,
Also have in the protection pipe for providing the pickup wire of electric power and transmission signal for smoke inductor and temperature sensor
Cable；The controller is controlled, when the measured value of all temperature sensors is respectively less than first threshold, and all smog senses
When device being answered not sense smog, close the blower and valve；When the measured value of more than one temperature sensor is big
In being equal to first threshold, and the measured value of all temperature sensors is respectively less than second threshold, and all smoke inductors do not have
When sensing smog, the blower is opened, and closes the valve；When the measured value of more than one temperature sensor
When sensing smog more than or equal to second threshold or more than one smoke inductor, close the blower, valve opening.
Cable of the invention, as shown, since core wire ontology relates to the coverings such as sheath, oversheath, and oversheath
Section be equilateral triangle, therefore it is whole it is antitorque, wear-resistant, fire retardant insulating performance is good, and additionally related to stainless steel tube
Patch unit, and stainless steel patch unit is embedded in the protection pipe, further increases resistance to twisting energy.Normal use passes
When power of transmitting electricity, if cable surface temperature is excessively high, start blower blowing, it is scattered to being carried out in the cavity of stainless steel patch unit
Heat when cable burns, such as when temperature anomaly increases or senses smog, utilizes indifferent gas thus rapid cooling
Body fills rapidly protection pipe, so that it is fire-retardant to put out a fire rapidly.Wireless communication unit can also be set certainly, when more than one temperature
When the measured value of sensor senses smog more than or equal to second threshold or more than one smoke inductor, make to wirelessly communicate
Unit emits alarm signal.The design of through hole is so that be connection between different spaces in protection pipe, therefore in a sky
The temperature sensor and smoke inductor of interior installation can also perceive the temperature and smog in other spaces.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (9)
1. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines, which is characterized in that including core wire ontology and protection
Pipe, the core wire ontology include multiple cable cores and the oversheath for surrounding the cable core, and the cable core successively includes leading from inside to outside
Body, insulating layer, flame-retardant layer, armor and sheath, the section of the oversheath are equilateral triangle, and the oversheath has 3
A side, each side are fixedly connected with the stainless steel patch unit extended longitudinally along the cable, the stainless steel substrates
The stainless steel cable that the side edge of shape unit has section rounded, the stainless steel patch unit is interior with cavity, described stainless
Steel patch unit further includes the through hole through stainless steel patch unit upper and lower surface, and the through hole is located at stainless steel cable and outside
Between sheath, the section of the protection pipe is circular ring shape, and the inner sidewall of the protection pipe has 3 strip grooves, each stainless
Steel cable is embedded in a strip groove, and the section of the strip groove is arc line shaped.
2. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 1, which is characterized in that
A portion of each stainless steel patch unit is adhesively fixed by adhesive glue and the side of the oversheath；Each stainless steel
Patch unit has through hole described in a row.
3. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 2, which is characterized in that
Space in the protection pipe is divided into 3 spaces, 3 space distributions triangular in shape, the stainless steel by the core wire ontology
Through hole in patch unit enables the space of the stainless steel patch unit two sides to be connected to.
4. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 2, which is characterized in that
It further include blower and inert gas storage device, the cavity of the stainless steel patch unit is longitudinally along the cable, closed at one end,
Open at one end；The protection pipe is longitudinally along the cable, closed at one end, open at one end；The blower is connected with the first supervisor, the
The end of one supervisor is connected with 3 the first branch pipes, and each first branch pipe is connected to the cavity of a stainless steel patch unit；It is described
Inert gas storage device is connected with the second supervisor, is provided with valve on the second supervisor, and the end of the second supervisor is connected with 3 the
Two branch pipes, each second branch pipe are connected to a space of protection pipe.
5. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 2, which is characterized in that
There are multiple support columns, multiple support columns are in two rows of arrangements in the cavity of the stainless steel patch unit.
6. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 1, which is characterized in that
The diameter in the stainless steel cable section is greater than 1.5 times of distance between stainless steel patch unit both side surface.
7. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 1, which is characterized in that
The insulating layer is ethylene propylene rubber insulated layer；The flame-retardant layer is low-smoke non-halogen flame-retardant layer.
8. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 1, which is characterized in that
The sheath has polythene material to be made；The oversheath extrusion moulding；The armor is steel wire armor layer.
9. the high-intensitive resistance to corrosion-resistant special cable of torsion of coastal Wind turbines according to claim 2, which is characterized in that
It further include control unit, multiple temperature sensors and multiple smoke inductors, multiple temperature sensors and multiple smoke inductors
Be arranged in the protection pipe, also have in the protection pipe for for smoke inductor and temperature sensor provide electric power with
And the sensor wire of transmission signal；The controller is controlled, when the measured value of all temperature sensors is respectively less than
One threshold value, and when all smoke inductors do not sense smog, close the blower and valve；When more than one
The measured value of temperature sensor is more than or equal to first threshold, and the measured value of all temperature sensors is respectively less than second threshold,
When all smoke inductors do not sense smog, the blower is opened, and closes the valve；When more than one
The measured value of temperature sensor when being more than or equal to second threshold or more than one smoke inductor and sensing smog, make institute
State blower closing, valve opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069206.2A CN109686483B (en) | 2019-01-24 | 2019-01-24 | High-strength torsion-resistant corrosion-resistant special cable for coastal wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069206.2A CN109686483B (en) | 2019-01-24 | 2019-01-24 | High-strength torsion-resistant corrosion-resistant special cable for coastal wind turbine generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109686483A true CN109686483A (en) | 2019-04-26 |
| CN109686483B CN109686483B (en) | 2020-04-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910069206.2A Active CN109686483B (en) | 2019-01-24 | 2019-01-24 | High-strength torsion-resistant corrosion-resistant special cable for coastal wind turbine generator |
Country Status (1)
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| CN (1) | CN109686483B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320623A (en) * | 2019-07-09 | 2019-10-11 | 陕西理工大学 | One kind being threaded towards interior wrong power type optical cable |
| CN110706857A (en) * | 2019-10-16 | 2020-01-17 | 扬州市红旗电缆制造有限公司 | High ageing resistance does not have steamed low fire-retardant marine frock spare special cable of cigarette |
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57138711A (en) * | 1981-02-19 | 1982-08-27 | Nippon Telegraph & Telephone | Cable structure |
| HU205479B (en) * | 1986-03-04 | 1992-04-28 | Magyar Kabel Muevek | Medium-voltage cable |
| CN102629506A (en) * | 2011-02-04 | 2012-08-08 | 日立电线株式会社 | Three-conductor cable |
| CN104966579A (en) * | 2015-05-29 | 2015-10-07 | 张家港金海港电线电缆有限公司 | Wear-resistant pressure-resistant cable |
| CN204884615U (en) * | 2015-07-07 | 2015-12-16 | 湖北恒泰电线电缆有限公司 | Reinforced aluminium alloy cable |
| CN206249923U (en) * | 2016-11-23 | 2017-06-13 | 青岛康伟线缆有限公司 | A kind of environment-friendly type protection of electrical cable high |
| CN107545953A (en) * | 2016-06-23 | 2018-01-05 | 上海市高桥电缆厂有限公司 | CA cable assembly |
| CN208400550U (en) * | 2018-03-30 | 2019-01-18 | 扬州曙光电缆股份有限公司 | Wind energy cable is pressed in one kind |
-
2019
- 2019-01-24 CN CN201910069206.2A patent/CN109686483B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57138711A (en) * | 1981-02-19 | 1982-08-27 | Nippon Telegraph & Telephone | Cable structure |
| HU205479B (en) * | 1986-03-04 | 1992-04-28 | Magyar Kabel Muevek | Medium-voltage cable |
| CN102629506A (en) * | 2011-02-04 | 2012-08-08 | 日立电线株式会社 | Three-conductor cable |
| CN104966579A (en) * | 2015-05-29 | 2015-10-07 | 张家港金海港电线电缆有限公司 | Wear-resistant pressure-resistant cable |
| CN204884615U (en) * | 2015-07-07 | 2015-12-16 | 湖北恒泰电线电缆有限公司 | Reinforced aluminium alloy cable |
| CN107545953A (en) * | 2016-06-23 | 2018-01-05 | 上海市高桥电缆厂有限公司 | CA cable assembly |
| CN206249923U (en) * | 2016-11-23 | 2017-06-13 | 青岛康伟线缆有限公司 | A kind of environment-friendly type protection of electrical cable high |
| CN208400550U (en) * | 2018-03-30 | 2019-01-18 | 扬州曙光电缆股份有限公司 | Wind energy cable is pressed in one kind |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320623A (en) * | 2019-07-09 | 2019-10-11 | 陕西理工大学 | One kind being threaded towards interior wrong power type optical cable |
| CN110706857A (en) * | 2019-10-16 | 2020-01-17 | 扬州市红旗电缆制造有限公司 | High ageing resistance does not have steamed low fire-retardant marine frock spare special cable of cigarette |
| CN114460699A (en) * | 2021-12-27 | 2022-05-10 | 富通集团（嘉善）通信技术有限公司 | Anti-distortion optical cable |
| CN114460699B (en) * | 2021-12-27 | 2024-02-20 | 富通集团（嘉善）通信技术有限公司 | Anti-twisting optical cable |
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| Publication number | Publication date |
|---|---|
| CN109686483B (en) | 2020-04-17 |
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