CN215680191U - Environment-friendly composite cable for wind power generation - Google Patents
Environment-friendly composite cable for wind power generation Download PDFInfo
- Publication number
- CN215680191U CN215680191U CN202122278074.XU CN202122278074U CN215680191U CN 215680191 U CN215680191 U CN 215680191U CN 202122278074 U CN202122278074 U CN 202122278074U CN 215680191 U CN215680191 U CN 215680191U
- Authority
- CN
- China
- Prior art keywords
- environment
- semi
- conductive
- power generation
- friendly
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses an environment-friendly comprehensive cable for wind power generation, which comprises power transmission units and control units, wherein the power transmission units and the control units are twisted into a cable core, high-strength polyester yarns are filled in gaps of the cable core, a reticular hollow semi-conductive water-blocking tape buffer layer is wound and wrapped outside the cable core, a shielding layer is wrapped outside the reticular hollow semi-conductive water-blocking tape buffer layer, and an environment-friendly nano polyurethane composite outer sheath is extruded and wrapped outside the shielding layer. The environment-friendly comprehensive cable for wind power generation has the advantages of high temperature resistance, distortion resistance, salt mist resistance, oil resistance, severe cold resistance and water resistance, can adapt to various severe operating environments, and also has the advantages of flame retardance, low smoke, no toxicity and no harm.
Description
Technical Field
The utility model relates to the field of cables, in particular to an environment-friendly comprehensive cable for wind power generation.
Background
With the development of urbanization, environmental problems are increasingly prominent; wind energy is increasingly popular around the world as a clean, pollution-free renewable energy source for power generation. In recent years, wind power generation is widely applied and rapidly developed in the electric power industry of China. Wind generating sets are generally installed in regions near sea and in high mountains, the environment is relatively humid, when a power cable runs, the current of a cable core can generate a strong electric field, and if moisture permeates an insulating layer to form water branches, the water branches can be discharged at the defect of a sheath, so that the cable is punctured; the cable for wind power generation is required to have high temperature resistance, distortion resistance, salt mist resistance, oil resistance, severe cold resistance and waterproof performance due to the particularity of the working mode and the working environment of wind power generation. Therefore, an environment-friendly integrated cable for wind power generation, in which a power transmission unit and a control unit are integrated, needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an environment-friendly comprehensive cable for wind power generation, aiming at solving the problems in the prior art.
The utility model relates to an environment-friendly comprehensive cable for wind power generation, which comprises a power transmission unit and a control unit, wherein the power transmission unit comprises a first conductor, a first semi-conductive water-blocking tape is wrapped outside the first conductor, and a first environment-friendly halogen-free low-smoke flame-retardant irradiated ethylene propylene rubber insulating layer is extruded outside the first semi-conductive water-blocking tape; the control unit comprises a second conductor, a second semi-conductive water-blocking tape is wrapped outside the second conductor, and a second environment-friendly halogen-free low-smoke flame-retardant irradiation ethylene propylene rubber insulating layer is extruded outside the second semi-conductive water-blocking tape; the power transmission units and the control units are twisted into a cable core, high-strength polyester yarns are filled in gaps of the cable core, a net-shaped hollow semi-conductive water-blocking tape buffer layer is wrapped outside the cable core, a shielding layer is wrapped outside the net-shaped hollow semi-conductive water-blocking tape buffer layer, and an environment-friendly nano polyurethane composite outer sheath is extruded outside the shielding layer.
In a further improvement, a plurality of the power transmission units are arranged in a closely opposite manner, a control unit is arranged between every two adjacent power transmission units, and the outer edges of the control units are closely attached to the outer edges of the two power transmission units.
The further improvement is that the first conductor and the second conductor are formed by twisting a 5-class tinned soft copper wire and a semi-conductive aramid fiber wire in a mixed manner to form a bundle wire and then wrapping the bundle wire on conductive silica gel.
The improved water-blocking hose comprises a Teflon woven belt, wherein a first semiconductive adhesive layer is arranged on the upper surface of the Teflon woven belt, a second semiconductive adhesive layer is arranged on the lower surface of the Teflon woven belt, a first waterproof film is bonded on the upper surface of the first semiconductive adhesive layer, and a second waterproof film is bonded on the lower surface of the second semiconductive adhesive layer.
The improved waterproof structure is characterized in that the first waterproof film and the second waterproof film are respectively formed by sequentially compounding a PP polypropylene reinforcing layer, a PE polyethylene breathable film and a PP polypropylene protective layer.
The second semi-conductive water-blocking tape is formed by sequentially compounding semi-conductive non-woven fabrics, a water-based semi-conductive adhesive layer containing superconducting carbon black, an acrylic acid waterproof coating layer and the semi-conductive non-woven fabrics from top to bottom.
The shielding layer is formed by weaving soft copper wires and aramid fibers in a mixed mode.
Compared with the prior art, the utility model has the beneficial effects that:
the conductor is added with the semi-conductive aramid fiber yarns in the stranding process, so that the conductor has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, ageing resistance, life cycle factory and the like, has the function of improving the distortion resistance of the conductor, has good electromagnetic sealing and water vapor sealing capabilities, and can also increase the conductivity of the conductor;
the insulation is environment-friendly halogen-free low-smoke flame-retardant irradiation ethylene propylene insulation, so that the power transmission unit and the control unit have good flexibility, high temperature resistance (the highest temperature resistance is 150 ℃), bending resistance, high flame retardance, aging resistance, oil resistance and chemical corrosion resistance;
the filled high-strength polyester yarn has the advantages of light weight, strong tensile force, good heat resistance, stable electrical insulation performance, wear resistance, mildew resistance, no toxicity and environmental protection, and has the function of further enhancing the distortion resistance of the cable;
the winding mesh hollow semi-conductive water-blocking tape buffer layer plays a role in enabling a buffer process to be carried out on a cable under the condition of external force, and has a certain protection effect on cable insulation; secondly, the cable has a certain longitudinal water-blocking effect; thirdly, the mesh hollow-out shape is adopted to accelerate the heat in the cable to be transferred to the outside and improve the load capacity of the cable;
the shielding layer 9 is coated outside the reticular hollow semi-conductive water blocking tape buffer layer, and is formed by mixing and weaving soft copper wires and aramid fibers, so that the cable has an anti-interference shielding effect, and the distortion resistance of the cable is further enhanced;
in conclusion, the high-temperature-resistant and low-smoke environment-friendly composite material has the advantages of high temperature resistance, distortion resistance, salt mist resistance, oil resistance, severe cold resistance, water resistance, capability of adapting to various severe operating environments, flame retardance, low smoke, no toxicity, no harm, environmental friendliness, long service life and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a first conductor;
FIG. 3 is a schematic structural view of a first semiconductive water-blocking tape according to the present invention;
FIG. 4 is a schematic view of a first waterproofing membrane according to the present invention;
fig. 5 is a schematic structural view of a second semiconductive water-blocking tape according to the present invention.
Detailed Description
The utility model will be further explained with reference to the drawings.
The environment-friendly comprehensive cable for wind power generation shown in fig. 1-2 comprises a power transmission unit and a control unit, wherein the power transmission unit comprises a first conductor 1, a first semi-conductive water-blocking tape 2 is wrapped outside the first conductor, and a first environment-friendly halogen-free low-smoke flame-retardant irradiated ethylene propylene rubber insulating layer 3 is extruded outside the first semi-conductive water-blocking tape; the control unit comprises a second conductor 4, a second semiconductive water-blocking tape 5 is wrapped outside the second conductor, and a second environment-friendly halogen-free low-smoke flame-retardant irradiated ethylene propylene rubber insulating layer 6 is extruded outside the second semiconductive water-blocking tape;
the first conductor 1 and the second conductor 4 are formed by mixing and twisting 5 types of tinned annealed copper wires 111 and semi-conductive aramid fibers 112 to form a bundle wire 11, and then wrapping the bundle wire on conductive silica gel 12, wherein the semi-conductive aramid fibers are added in the twisting process, so that the conductive silicon rubber cable has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, ageing resistance, life cycle factory and the like, has the function of improving the twisting resistance of the conductor, has good electromagnetic sealing and water vapor sealing capabilities, and can also increase the conductive performance of the conductor;
the insulation of the power transmission unit and the control unit adopts environment-friendly halogen-free low-smoke flame-retardant irradiation ethylene propylene insulation, so that the power transmission unit and the control unit have good flexibility, high temperature resistance (the highest temperature resistance is 150 ℃), bending resistance, high flame retardance, aging resistance, oil resistance and chemical corrosion resistance;
as shown in fig. 3-4, the first semiconductive waterproofing tape 2 is a semiconductive teflon waterproofing tape, and comprises a teflon woven tape 21, a first semiconductive adhesive layer 22 is arranged on the upper surface of the teflon woven tape, a second semiconductive adhesive layer 23 is arranged on the lower surface of the teflon woven tape, a first waterproof film 24 is adhered on the upper surface of the first semiconductive adhesive layer, a second waterproof film 25 is adhered on the lower surface of the second semiconductive adhesive layer, and the composite semiconductive waterproofing tape is adopted, so that the distortion resistance of a power transmission unit is enhanced, and the semiconductivity can be equipotential with a shielded conductor and well contacted with an insulating layer, so that the phenomenon of partial discharge between the conductor and the insulating layer is avoided; in addition, the first waterproof membrane 24 and the second waterproof membrane 25 are formed by sequentially compounding a PP polypropylene reinforcing layer 241, a PE polyethylene breathable film 242 and a PP polypropylene protective layer 243, wherein the two layers of PP polypropylene mainly have the functions of reinforcing the tensile force and the hydrostatic pressure of the waterproof membranes and protecting the middle layer, and the PE high-molecular breathable film in the middle layer has the function of ensuring that the whole waterproof belt has good breathability;
as shown in fig. 5, the second semiconductive waterproofing tape 5 is formed by sequentially compounding a semiconductive non-woven fabric 51, a water-based semiconductive adhesive layer 52 containing superconducting carbon black, an acrylic waterproof coating layer 53 and a semiconductive non-woven fabric 51 from top to bottom; the semi-conductive non-woven fabric is formed by impregnating and drying polyester fiber cloth through semi-conductive glue, the fibers are fully carded, the longitudinal strength is high, the resistance is small, the mechanical strength is high, and the function is to increase the mechanical strength of the whole water-blocking tape so as to increase the mechanical strength of a control unit; the superconducting carbon black in the water-based semiconductive adhesive layer containing the superconducting carbon black enhances the conductivity, can further play a role in buffering an electric field and preventing breakdown at a defect part, so that the phenomenon of partial discharge between a conductor and an insulating layer is avoided; the waterproof film formed by the acrylic waterproof coating after curing has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, can play roles in waterproofing, seepage prevention and protection, improves the mechanical strength, water resistance, electric field buffering and other properties of the control unit through the integral composite water-blocking tape, and greatly enhances the stability of the control unit;
the power transmission units and the control units are twisted into a cable core, the power transmission units are arranged in a close and opposite mode, one control unit is arranged between every two adjacent power transmission units, and the outer edges of the control units are tightly attached to the outer edges of the two power transmission units, so that the overall structure of the cable is more round;
the high-strength polyester yarn 7 is filled in the gap of the cable core, so that the cable is light in weight, strong in tensile force, good in heat resistance, stable in electrical insulation performance, wear-resistant, mould-resistant, non-toxic and environment-friendly, and has the function of further enhancing the distortion resistance of the cable;
the cable core is wrapped with a net-shaped hollow semi-conductive water-blocking tape buffer layer 8, and the buffer layer has a buffer process under the condition that the cable is subjected to external force, so that the cable is protected from being insulated; secondly, the cable has a certain longitudinal water-blocking effect; thirdly, the mesh hollow-out shape is adopted to accelerate the heat in the cable to be transferred to the outside and improve the load capacity of the cable;
the shielding layer 9 is coated outside the reticular hollow semi-conductive water blocking tape buffer layer, and is formed by mixing and weaving soft copper wires and aramid fibers, so that the cable has an anti-interference shielding effect, and the distortion resistance of the cable is further enhanced;
the environment-friendly nanometer polyurethane composite material outer sheath 10 is extruded outside the shielding layer, can resist heat of about 150 ℃ (common polyurethane materials can resist heat of about 85 ℃), and enables the cable to have high strength, high modulus, salt mist resistance, water resistance, oil resistance and cold resistance.
While the utility model has been described in terms of its preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (7)
1. The environment-friendly comprehensive cable for wind power generation comprises a power transmission unit and a control unit, wherein the power transmission unit comprises a first conductor, a first semi-conductive water-blocking tape is wrapped outside the first conductor, and a first environment-friendly halogen-free low-smoke flame-retardant irradiation ethylene propylene rubber insulating layer is extruded outside the first semi-conductive water-blocking tape; the control unit comprises a second conductor, a second semi-conductive water-blocking tape is wrapped outside the second conductor, and a second environment-friendly halogen-free low-smoke flame-retardant irradiation ethylene propylene rubber insulating layer is extruded outside the second semi-conductive water-blocking tape; the power transmission units and the control units are twisted into a cable core, high-strength polyester yarns are filled in gaps of the cable core, a net-shaped hollow semi-conductive water-blocking tape buffer layer is wrapped outside the cable core, a shielding layer is wrapped outside the net-shaped hollow semi-conductive water-blocking tape buffer layer, and an environment-friendly nano polyurethane composite outer sheath is extruded outside the shielding layer.
2. The environment-friendly composite cable for wind power generation according to claim 1, wherein: the power transmission units are arranged in a closely opposite mode, one control unit is arranged between every two adjacent power transmission units, and the outer edges of the control units are closely attached to the outer edges of the two power transmission units.
3. The environment-friendly composite cable for wind power generation according to claim 1, wherein: the first conductor and the second conductor are formed by twisting a 5-class tinned soft copper wire and a semi-conductive aramid fiber wire in a mixed manner to form a bundle wire and then wrapping the bundle wire on conductive silica gel.
4. The environment-friendly composite cable for wind power generation according to claim 1, wherein: the first semi-conductive water-blocking tape is a semi-conductive Teflon water-blocking tape and comprises a Teflon mesh belt, wherein a first semi-conductive adhesive layer is arranged on the upper surface of the Teflon mesh belt, a second semi-conductive adhesive layer is arranged on the lower surface of the Teflon mesh belt, a first waterproof film is bonded on the upper surface of the first semi-conductive adhesive layer, and a second waterproof film is bonded on the lower surface of the second semi-conductive adhesive layer.
5. The environment-friendly composite cable for wind power generation according to claim 4, wherein: the first waterproof film and the second waterproof film are respectively formed by sequentially compounding a PP polypropylene reinforcing layer, a PE polyethylene breathable film and a PP polypropylene protective layer.
6. The environment-friendly composite cable for wind power generation according to claim 1, wherein: the second semiconductive waterproofing belt is formed by sequentially compounding semiconductive non-woven fabrics, a water-based semiconductive adhesive layer containing superconducting carbon black, an acrylic waterproof coating layer and semiconductive non-woven fabrics from top to bottom.
7. The environment-friendly composite cable for wind power generation according to claim 1, wherein: the shielding layer is formed by weaving soft copper wires and aramid fibers in a mixed mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278074.XU CN215680191U (en) | 2021-09-18 | 2021-09-18 | Environment-friendly composite cable for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122278074.XU CN215680191U (en) | 2021-09-18 | 2021-09-18 | Environment-friendly composite cable for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215680191U true CN215680191U (en) | 2022-01-28 |
Family
ID=79964871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122278074.XU Active CN215680191U (en) | 2021-09-18 | 2021-09-18 | Environment-friendly composite cable for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215680191U (en) |
-
2021
- 2021-09-18 CN CN202122278074.XU patent/CN215680191U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105047277B (en) | Water resistant tree low-voltage insulating cable | |
| CN201820496U (en) | Torsion-resistant weather-resistant flame-resistant control cable for wind power generation | |
| CN202332386U (en) | Antitorque power flexible cable for wind generating set | |
| CN215680191U (en) | Environment-friendly composite cable for wind power generation | |
| CN203573680U (en) | Shielding type signal flexible cable for wind power generation system | |
| CN207572119U (en) | A kind of New-energy electric vehicle environment friendly heat resistant high-tension cable | |
| CN213459098U (en) | Double-layer flat wire braided shielding cable | |
| CN213635474U (en) | Flexible environment-friendly silicone rubber high-temperature-resistant waterproof flame-retardant cable | |
| CN210489301U (en) | Environment-friendly silane cross-linked insulating water-blocking power cable | |
| CN211858207U (en) | Anti-interference radiation-resistant high-flame-retardant fire-resistant control cable for extra-high voltage transformer substation | |
| CN209880229U (en) | Waterproof directly-buried photovoltaic cable | |
| CN207938357U (en) | A kind of high-strength cable | |
| CN203573729U (en) | Shielding type control flexible cable for wind power generation system | |
| CN207637532U (en) | High anti-tear, tension resist bending high temperature resistant high fire-retardance flexible cable | |
| CN201237928Y (en) | Wind energy cable | |
| CN206412101U (en) | A kind of resistance to torsion high tenacity control cable | |
| CN220604359U (en) | Double-layer shielding silicone rubber cable | |
| CN220672280U (en) | Copper core crosslinked polyethylene insulated corrugated aluminum sleeve polyethylene sheath power cable | |
| CN216793340U (en) | Self-adhesion enameled litz wire easy to wind | |
| CN221261974U (en) | Cable for direct-current charging cabinet | |
| CN220829850U (en) | Wire and cable that protectiveness is strong | |
| CN109360676A (en) | Tunnel the manufacturing process of Suporting structure oil resistant cable | |
| CN217788074U (en) | Comprehensive communication cable for modern agricultural equipment | |
| CN201194173Y (en) | Power supply high-voltage flexible electric cable for salt lake water producer | |
| CN212161313U (en) | Multipurpose use power cable for high-carrying-capacity large-section oil platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |