CN223038645U - Electric power and signal integrated cable for reinforced fan slip ring - Google Patents
Electric power and signal integrated cable for reinforced fan slip ring Download PDFInfo
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- CN223038645U CN223038645U CN202421864154.0U CN202421864154U CN223038645U CN 223038645 U CN223038645 U CN 223038645U CN 202421864154 U CN202421864154 U CN 202421864154U CN 223038645 U CN223038645 U CN 223038645U
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Abstract
The utility model relates to an electric power and signal integrated cable for a reinforced fan slip ring, which comprises a power line group, a power line core group, a signal line group, a cable core assembly cable layer and an outer sheath layer, wherein the power line group, the power line core group and the signal line group are respectively laid and analyzed, materials, parameters and data intervals adopted by the structures are respectively planned, so that the performance of the integrated cable is improved, meanwhile, the structural stability, flexibility, temperature resistance and corrosion resistance of the integrated cable are improved in a mode of stranding, re-stranding, insulating materials and the like, the safety and stability of the cable and a wind power system are improved, the integrated cable can simultaneously transmit two data of electric power and signals through the power line group, the power line core group and the signal line group, meanwhile, copper foil wires are added into an inner conductor of the signal line group, so that the mechanical performance of the slip ring cable can be improved, the electromagnetic shielding performance is optimized, and the processability of the cable and the strength and the flexibility of a special cable conductor are improved.
Description
Technical Field
The utility model relates to the field of cables of wind turbines, in particular to a comprehensive cable for power and signals at a slip ring of a reinforced fan.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the wind generating set, the slip ring is used as the dynamic and static connection and energy conversion equipment of the wind generating set and is mainly used as a key component for transmitting power and signals, and a control flexible cable matched with the slip ring is a medium for ensuring smooth transmission of power and signals.
Because wind generating sets are mostly installed outdoors, especially in deep open sea or high temperature and high altitude areas, cables need to bear extreme environmental conditions, such as ultraviolet irradiation, high temperature, low temperature, salt spray corrosion and the like. Particularly, the fan cable can frequently twist and bend in the use process, so that the whole cable is broken, the conductor broken core is damaged, the insulation aging is serious and the like, and the service life of the cable is greatly shortened. In addition, because the wind generating set is arranged at the high altitude above 70m, the daily maintenance amount is increased, and especially the maintenance work of the wind generating set in the ocean severe environment is more difficult, the maintenance cost is also continuously increased, and the equipment quality problem brings huge pressure to wind power generation enterprises.
Disclosure of utility model
The utility model aims to solve the technical problems of providing the reinforced electric power and signal integrated cable for the slip ring of the fan, which is characterized in that a power line group, a power line core group and a signal line group are combined into the integrated cable, and meanwhile, the transmission of electric power and signals is realized, and the structural stability, flexibility, temperature resistance and corrosion resistance of the integrated cable are improved by means of bundle twisting, compound twisting, insulating materials and the like, and finally, the safety and stability of the cable and a wind power system are improved.
The utility model aims to provide an electric power and signal integrated cable for a reinforced fan slip ring, which comprises a power line group, a power line core group, a signal line group, a cable core assembly cable layer and an outer sheath layer, wherein the power line group is arranged at the center of the integrated cable, the power line core group and the signal line group are arranged around the power line group, the power line core group and the signal line group form an integrated cable core, the cable core assembly cable layer is wrapped outside the integrated cable core, and the outer sheath layer is wrapped outside the cable core assembly cable layer.
The power line group comprises a power line group pad core, a power line core group, a wrapping layer and a sheath protection layer which are sequentially arranged from inside to outside, wherein the power line core group surrounds the power line group pad core, the power line group pad core and the power line core group form a power line group core, the wrapping layer is wrapped outside the power line group core, and the sheath protection layer is wrapped outside the wrapping layer.
The signal wire group comprises a signal wire group pad core, a signal wire core group, an isolation layer, a waterproof layer and a shielding layer which are sequentially arranged from inside to outside, wherein the signal wire core group surrounds the signal wire group pad core, the signal wire group pad core and the signal wire core group form a signal wire group wire core, the isolation layer is wrapped outside the signal wire group wire core, the waterproof layer is wrapped outside the isolation layer, and the shielding layer is wrapped outside the waterproof layer.
As a further technical scheme, the power wire core group and the signal wire core group are all composed of insulating wire cores, and the insulating wire cores comprise inner conductors and outer insulating protection layers.
As a further technical scheme, the inner conductors of the insulated wire cores in the power wire core group and the power wire core group are 5 th soft copper conductors, the inner conductors of the insulated wire cores in the signal wire core group are 5 th special soft copper conductors, and the external insulating protective layer is made of flame-retardant crosslinked polyethylene insulating materials and is of an extrusion structure.
As a further technical scheme, the 5 th soft copper conductor is formed by twisting the soft copper conductor firstly and then twisting the soft copper conductor again, the twisting directions of the twisting and twisting of the soft copper conductor are both left directions, and the 5 th special soft copper conductor is formed by twisting the soft copper conductor and copper foil wires.
As a further technical scheme, the wrapping layer is formed by overlapping and wrapping a single-layer polyester belt, and then longitudinally wrapping an aluminum-plastic composite belt.
As a further technical scheme, the outer sheath layer is made of flame-retardant cold-resistant oil-resistant butadiene-acrylonitrile polyvinyl chloride elastomer material, and the cable core assembly is wrapped with a flame-retardant wrapping tape.
The waterproof layer is made of a polyester tape, a single-layer overlapped wrapping is adopted by the isolation layer, the waterproof layer is made of an aluminum-plastic composite tape and is of a longitudinal wrapping structure, and the shielding layer is made of copper wires woven metal shielding.
As a further technical scheme, the sheath protecting layer adopts an extrusion flame-retardant polyvinyl chloride sheath material. The beneficial effects of one or more of the technical schemes are as follows:
(1) According to the power line group, the power line core group and the signal line group which are arranged as the integrated cable core, the integrated cable can transmit electric power and signals at the same time, and meanwhile, the structural stability and the compactness of the inside of the integrated cable are improved according to the layout mode that the power line core group and the signal line group are arranged around the power line group, so that the stability of the integrated cable is enhanced.
(2) In the embodiment, the 5 th soft copper conductor and the 5 th special soft copper conductor adopt non-compacting twisting technology, the twisting process adopts a wire harness, a compound twisting structure and the twisting direction is left, so that the relative sliding distance between conductor layers is increased, the inner conductor is softer, and the 360-degree rotation of the fan slip ring cable is facilitated. In addition, the copper foil wires are added into the inner conductors in the signal line group, so that the mechanical property of the slip ring cable can be improved, the electromagnetic shielding performance can be optimized, the processability of the cable can be improved, and the strength and flexibility of the special cable conductor can be improved.
(3) The cable insulation layer adopts flame-retardant crosslinked polyethylene insulation material, so that the temperature resistance level of the cable can be raised from 70 ℃ to more than 100 ℃, the service life of the cable in long-term high-temperature operation can be ensured, the problems of aging of cable insulation, reduction of insulation resistance and the like are avoided, and in addition, the crosslinked polyethylene insulation material has better acid-base resistance and oil resistance, and is more suitable for the use environment of salt mist resistance of the offshore wind turbine slip ring cable.
(4) In order to avoid interference of the power wire core and an external electromagnetic field on the signal wire group, a metal wire braided shielding layer is additionally arranged on the periphery of the cable formed by the signal wires, so that the electromagnetic field interference resistance of the slip ring cable in the use process is improved. Particularly, during high-frequency transmission, the shielding layer can obviously reduce signal distortion, ensure the accuracy of data transmission, and improve the safety and stability of the whole wind power system.
(5) The outer sheath material adopts a flame-retardant cold-resistant oil-resistant polyvinyl chloride elastomer, so that the cable is better suitable for the severe environment of the cable at the slip ring of the generator set. Because the nitrile rubber has higher wear resistance and better adhesive force than polyethylene, the cable sheath has excellent mechanical strength, can resist abrasion and tearing, can keep excellent physical properties even if working in seawater salt fog and acid-base environment for a long time, and is not easy to age.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application.
FIG. 1 is an internal structural diagram of a power and signal integrated cable for a reinforced fan slip ring of the present utility model.
Wherein, 1, a power line group, 2, a power line core group, 3, a signal line group, 4, a cable core assembly cable layer, 5, an outer sheath layer, 6, a power line group pad core, 7, a power line core group, 8, a wrapping layer, 9, a sheath protection layer, 10, a signal line group pad core, 11, a signal wire core group, 12, an isolation layer, 13, a waterproof layer, 14, a shielding layer, 15, an insulating wire core, 16, an inner conductor, 17, an outer insulating protection layer, 18, a 5 th soft copper conductor, 19 and a 5 th special soft copper conductor.
Detailed Description
The following is a clear and complete description of the technical solution in the embodiment of the present utility model with reference to fig. 1.
Example 1
Referring to fig. 1, a reinforced fan slip ring power and signal integrated cable comprises a power line group 1, a power line core group 2, a signal line group 3, a cable core assembly cable layer 4 and an outer sheath layer 5. Wherein the power line group 1 is disposed at the center of the integrated cable, and the power line core group 2 and the signal line group 3 are disposed around the power line group 1, and the power line group 1, the power line core group 2 and the signal line group 3 constitute the integrated cable core.
The power line core group 1, the power line core group 2 and the signal line group 3 are used as the line cores of the comprehensive cable, so that the comprehensive cable can realize the transmission of electric power and signals at the same time, the comprehensive performance of the comprehensive cable is improved, and meanwhile, the structural stability and compactness of the inside of the comprehensive cable are improved by means of the layout mode that the power line core group 2 and the signal line group 3 are arranged around the power line group 1, so that the stability of the comprehensive cable is enhanced.
And the cable core assembly cable layer 4 is wrapped outside the integrated cable core, and the outer sheath layer 5 is wrapped outside the cable core assembly cable layer. In the embodiment, the cable core assembly cable layer 4 is formed by adopting a normal twisting mode, the outside is wrapped with a flame-retardant wrapping tape, and the cable core assembly cable layer is of a single-layer overlapping wrapping structure, the overlapping rate is 10-30%, and therefore the fireproof flame retardance of the integrated cable is improved.
Meanwhile, the outer sheath layer 5 is made of a flame-retardant cold-resistant oil-resistant polyvinyl chloride elastomer material, and the thickness of the outer sheath is 4.50-6.00 mm. According to the elastic property of the polyvinyl chloride elastomer material, the surface of the comprehensive cable can be ensured to have certain elasticity, so that the surface of the comprehensive cable can be deformed to a certain extent, and the problem that the surface of the comprehensive cable is easy to damage is avoided. Meanwhile, the cable is better suitable for the severe environment of the cable for the generator set slip ring, has higher wear resistance and better adhesive force, ensures that the cable has excellent mechanical strength, can resist abrasion and tearing, can keep excellent physical properties even if working in seawater salt fog and acid-base environment for a long time, and is not easy to age.
The power line group 1 in the embodiment comprises a power line group pad core 6, a power line core group 7, a wrapping layer 7 and a sheath protection layer 8 which are sequentially arranged from inside to outside, wherein the power line core group 7 surrounds the periphery of the power line group pad core 6, the power line group pad core 6 and the power line core group 7 form a power line group core, the wrapping layer 8 is wrapped outside the power line group core 6, and the sheath protection layer 9 is wrapped outside the wrapping layer 8.
The power line group 1 is used for transmitting power signals and conducting electricity at the same time in the integrated cable, and the power line group core 6 is used for improving the roundness of the integrated cable and the power line group 1 and providing electric energy transmission at the same time. In the embodiment, the wrapping layer 8 is formed by overlapping and wrapping a single-layer polyester belt, the covering rate is 10% -30%, and then the aluminum plastic composite belt is longitudinally wrapped, so that the waterproof protection function is achieved, and the rounding and torsion resistance of the cable are further improved through the wrapping step and the covering rate, so that the phenomenon that the cable is damaged due to the steps of torsion and the like of the comprehensive cable is avoided. Meanwhile, the sheath protection layer 8 is made of extruded flame-retardant polyvinyl chloride sheath material, the thickness of the sheath is 1.0-1.6 mm, and the material is the same as the polyvinyl chloride of the outer sheath layer 5 in principle, so that the flame-retardant performance of the cable is further improved.
The signal wire group 3 in this embodiment includes a signal wire group pad core 10, a signal wire core group 11, an isolation layer 12, a waterproof layer 13 and a shielding layer 14 which are sequentially arranged from inside to outside, while the signal wire core group 11 is arranged around the signal wire group pad core 10, and the signal wire group pad core 10 and the signal wire core group 11 constitute a signal wire group core. The layout is the same as the layout of the power line group 1, and the structural stability of the power line group is also improved.
The outside of the signal line group core is wrapped with an isolation layer 12, the outside of the isolation layer 12 is wrapped with a waterproof layer 13, and the outside of the waterproof layer 13 is wrapped with a shielding layer 14. In this embodiment, the isolation layer 12 is a polyester tape, and the overlapping and wrapping ratio of the single layer is 10-30%, so as to isolate the signal line group core from the waterproof layer 13, and protect the signal line group core from damage. The waterproof layer 13 adopts an aluminum-plastic composite belt, a longitudinal wrapping structure, the thickness of the belt is 0.30-0.50mm, the waterproof performance of the signal line group 3 is improved, the shielding layer 14 adopts copper wire woven metal shielding, the weaving density is 80% -90%, and the shielding layer is used for shielding internal and external electric fields and preventing interference signal transmission.
In this embodiment, the power core group 2, the power core group 7 and the signal core group 11 are each composed of an insulated core 15, and the insulated core 15 includes an inner conductor 16 and an outer insulating protective layer 17.
The inner conductors 16 of the insulated wire cores in the power wire core group 2 and the power wire core group 7 are 5 th soft copper conductors 18, the inner conductors 16 of the insulated wire cores in the signal wire core group 11 are 5 th special soft copper conductors 19, the outer insulating protective layers 17 of the power wire core group 2 and the power wire core group 7 are all made of extruded flame-retardant crosslinked polyethylene insulating materials, the thickness of the outer insulating protective layers 17 in the power wire core group 2 and the power wire core group 7 is 0.7-1.8 mm, and the thickness of the outer insulating protective layers 17 in the signal wire core group 11 is 0.60-0.70 mm.
Specifically, the 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameters of 0.20-0.50 mm, and twisting directions of the soft copper conductors in each group are all left, and the 5 th special soft copper conductor 19 is formed by twisting a plurality of soft copper conductors with the monofilament diameters of 0.20-0.50 mm and copper foil wires. This is because the signal core group 11 is used for transmitting signal data, and it needs to shield external interference and avoid other interference, so as to improve signal transmission and efficiency and accuracy of the signal core group 11 itself. And the copper foil wires are added into the inner conductor 16 in the signal wire core group 11, so that the mechanical property of the slip ring cable can be improved, the electromagnetic shielding property can be optimized, the processability of the cable and the strength and flexibility of the special cable conductor can be improved. Particularly, during high-frequency transmission, the shielding layer can obviously reduce signal distortion, ensure the accuracy of data transmission, and improve the safety and stability of the whole wind power system.
Meanwhile, the bundle pitch diameter ratio of the conductor strands of the 5 th soft copper conductor 18 in the power wire core group 2 is 16-28 times, the bundle pitch diameter ratio of the plurality of strands is 10-13 times, the bundle pitch diameter ratio of the conductor strands of the 5 th soft copper conductor 18 in the power wire core group 1 is 16-26 times, the bundle pitch diameter ratio of the plurality of strands is 10-13 times, the bundle pitch diameter ratio of the conductor strands of the 5 th special soft copper conductor 19 in the signal wire group 3 is 16-26 times, and the bundle pitch diameter ratio of the plurality of strands is 10-13 times. The bundle section diameter ratio and the multi-section diameter ratio can ensure the tightness and the softness of the conductor, and the torsion resistance and the bending resistance of the cable in a normal working state are improved.
Through the mode, the non-compacting stranding process is utilized, the stranding process adopts the wire harness, the compound stranding structure and the stranding direction is left, so that the relative sliding distance between conductor layers is increased, the inner conductor is softer, 360-degree rotation of the fan slip ring cable is facilitated, and the application range of the cable is widened.
The external insulating protective layer 17 can raise the temperature resistance level of the cable from 70 ℃ to above 100 ℃ by adopting the flame-retardant crosslinked polyethylene insulating material, and meanwhile, the service life of the cable in long-term high-temperature operation is ensured, the problems of cable insulation aging, insulation resistance reduction and the like are avoided, and in addition, the crosslinked polyethylene insulating material has better acid-base resistance and oil resistance, and is more suitable for the use environment of salt mist resistance of the offshore wind turbine slip ring cable.
In the embodiment, different cables can be constructed through adaptive adjustment in the range intervals of parameters such as thickness, diameter, compound joint diameter ratio, bundle joint diameter ratio and the like of different structures, so that the cables can be used at different positions in a wind turbine generator.
Example two
Based on the structure of the electric power and signal integrated cable for the reinforced fan slip ring described in the first embodiment, the following materials and data in the integrated cable are adjusted:
Power core group:
The 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.285mm firstly and then twisting the soft copper conductors again, wherein the twisting pitch diameter ratio of the conductor strands is 20 times, and the twisting pitch diameter ratio of the plurality of strands is 11.5 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 0.8mm.
A power line group:
The 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.285mm firstly and then twisting the soft copper conductors again, the bundle pitch diameter ratio of the conductor strands is 16-22 times, and the multi-strand pitch diameter ratio of the conductor strands is 12 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 0.8mm.
The wrapping layer 8 is made of a polyester tape film, is overlapped and wrapped in a single layer, has a covering rate of 25%, and is longitudinally wrapped by an aluminum-plastic composite tape.
The sheath protection layer 9 adopts a flame-retardant polyvinyl chloride sheath material, an extrusion structure and the thickness of the sheath is 1.0mm.
Signal line group:
The 5 th special soft copper conductor 19 is composed of a plurality of soft copper conductors with the monofilament diameter of 0.285mm and copper foil wires with the diameter of 0.260mm which are stranded. The bundle pitch diameter ratio of the conductor strand is 20 times, and the composite pitch diameter ratio of the plurality of strands is 11.5 times. The outer insulating protective layer 17 adopts a flame-retardant crosslinked polyethylene insulating material, has an extrusion structure and has the thickness of 0.60mm.
The isolation layer 12 is made of polyester tape, and is lapped and wrapped in a single layer, and the lapping rate is 25%.
The waterproof layer 13 adopts an aluminum-plastic composite belt, a longitudinal wrapping structure and the thickness of the belt material is 0.30-0.50mm.
The shielding layer 14 is a copper wire braided metal shield with a braid density of 90%.
The cable core assembly cable layer 4 is formed by adopting a normal twisting mode, the outside is wrapped with a flame-retardant wrapping tape, and the single-layer overlapping wrapping tape is adopted, so that the lap rate is 15%.
The outer sheath layer 5 is made of flame-retardant cold-resistant oil-resistant polyvinyl chloride elastomer material, and the thickness of the outer sheath is 4.50mm.
The integrated cable in the embodiment is suitable for the wind turbine generator set with low transmission capacity and low anti-interference capability requirement.
Example III
Based on the structure of the electric power and signal integrated cable for the reinforced fan slip ring described in the first embodiment, the following materials and data in the integrated cable are adjusted:
Power core group:
The 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.385mm firstly and then twisting the soft copper conductors again, the bundle pitch diameter ratio of the conductor strands is 24 times, and the multi-strand pitch diameter ratio of the conductor strands is 13 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 0.9mm.
A power line group:
The 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.385mm firstly and then twisting the soft copper conductors again, the bundle pitch diameter ratio of the conductor strands is 24 times, and the multi-strand pitch diameter ratio of the conductor strands is 13 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 1.0mm.
The wrapping layer 8 is made of a polyester tape film, is formed by single-layer overlapping wrapping, has a covering rate of 10-30%, and is longitudinally wrapped by an aluminum-plastic composite tape.
The sheath protection layer 9 adopts a flame-retardant polyvinyl chloride sheath material, an extrusion structure and the thickness of the sheath is 1.2mm.
Signal line group:
The 5 th special soft copper conductor 19 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.385mm and copper foil wires with the diameter of 0.305 mm. The bundle pitch diameter ratio of the conductor strand is 22 times, and the composite pitch diameter ratio of the plurality of strands is 12 times. The outer insulating protective layer 17 adopts a flame-retardant crosslinked polyethylene insulating material, has an extrusion structure and has the thickness of 0.60mm.
The isolation layer 12 is made of polyester tape, and is lapped and wrapped in a single layer, and the lap rate is 15%.
The waterproof layer 13 adopts an aluminum-plastic composite belt, a longitudinal wrapping structure and the thickness of the belt material is 0.30-0.50mm.
The shielding layer 14 is a copper wire braided metal shield with a braid density of 85%.
The cable core assembly cable layer 4 is formed by adopting a normal twisting mode, the outside is wrapped with a flame-retardant wrapping tape, and the single-layer overlapping wrapping tape is adopted, so that the lap rate is 15%.
The outer sheath layer 5 is made of flame-retardant cold-resistant oil-resistant polyvinyl chloride elastomer material, and the thickness of the outer sheath is 4.70mm.
Example IV
Based on the structure of the electric power and signal integrated cable for the reinforced fan slip ring described in the first embodiment, the following materials and data in the integrated cable are adjusted:
Power core group:
the 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.450mm firstly and then twisting the soft copper conductors again, the bundle pitch diameter ratio of the conductor strands is 22 times, and the multi-strand pitch diameter ratio of the conductor strands is 12.5 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 1.40mm.
A power line group:
The 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.450mm firstly and then twisting the soft copper conductors again, wherein the twisting pitch diameter ratio of the conductor strands is 21 times, and the twisting pitch diameter ratio of the plurality of strands is 11.5 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 1.4mm.
The wrapping layer 8 is made of a polyester tape film, is formed by single-layer overlapping wrapping, has a covering rate of 20%, and is longitudinally wrapped by an aluminum-plastic composite tape.
The sheath protection layer 9 adopts a flame-retardant polyvinyl chloride sheath material, an extrusion structure and the thickness of the sheath is 1.6mm.
Signal line group:
The 5 th special soft copper conductor 19 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.450mm and copper foil wires with the diameter of 0.350 mm. The bundle pitch diameter ratio of the conductor strand is 20 times, and the composite pitch diameter ratio of the plurality of strands is 11.5 times. The outer insulating protective layer 17 adopts a flame-retardant crosslinked polyethylene insulating material, has an extrusion structure and has a thickness of 0.70mm.
The isolation layer 12 is made of polyester tape, and is lapped and wrapped in a single layer, and the lapping rate is 20%.
The waterproof layer 13 adopts an aluminum-plastic composite belt, a longitudinal wrapping structure and the thickness of the belt material is 0.30-0.50mm.
The shielding layer 14 is a copper wire braided metal shield with a braid density of 90%.
The cable core assembly cable layer 4 is formed by adopting a normal twisting mode, the outside is wrapped with a flame-retardant wrapping tape, and the single-layer overlapping wrapping tape is adopted, so that the covering rate is 10%.
The outer sheath layer 5 is made of flame-retardant cold-resistant oil-resistant polyvinyl chloride elastomer material, and the thickness of the outer sheath is 5.60mm.
Example 5
Based on the structure of the electric power and signal integrated cable for the reinforced fan slip ring described in the first embodiment, the following materials and data in the integrated cable are adjusted:
Power core group:
The 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.50mm firstly and then twisting the soft copper conductors again, the bundle pitch diameter ratio of the conductor strands is 26 times, and the multi-strand pitch diameter ratio of the conductor strands is 13 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 1.8mm.
A power line group:
The 5 th soft copper conductor 18 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.50mm firstly and then twisting the soft copper conductors again, the bundle pitch diameter ratio of the conductor strands is 24 times, and the multi-strand pitch diameter ratio of the conductor strands is 13 times. The 5 th soft copper conductor 18 is twisted into a stranded wire and then twisted again, the direction of the twisted wire and the twisted direction are the same, and the direction of the twisted wire and the twisted direction is the left direction, meanwhile, the outer insulating protective layer 17 adopts flame-retardant crosslinked polyethylene insulating material, is arranged into an extrusion structure, and has the insulating thickness of 1.8mm.
The wrapping layer 8 is made of a polyester tape film, is overlapped and wrapped in a single layer, has a covering rate of 25%, and is longitudinally wrapped by an aluminum-plastic composite tape.
The sheath protection layer 9 adopts a flame-retardant polyvinyl chloride sheath material, an extrusion structure and the thickness of the sheath is 1.6mm.
Signal line group:
the 5 th special soft copper conductor 19 is formed by twisting a plurality of soft copper conductors with the monofilament diameter of 0.50mm and copper foil wires with the diameter of 0.45 mm. The bundle pitch diameter ratio of the conductor strand is 22 times, and the composite pitch diameter ratio of the plurality of strands is 11 times. The outer insulating protective layer 17 adopts a flame-retardant crosslinked polyethylene insulating material, has an extrusion structure and has a thickness of 0.70mm.
The isolation layer 12 is made of polyester tape, and is lapped and wrapped in a single layer, and the lapping rate is 25%.
The waterproof layer 13 adopts an aluminum-plastic composite belt, a longitudinal wrapping structure and the thickness of the belt material is 0.30-0.50mm.
The shielding layer 14 is a copper wire braided metal shield with a braid density of 80%.
The cable core assembly cable layer 4 is formed by adopting a normal twisting mode, the outside is wrapped with a flame-retardant wrapping tape, and the single-layer overlapping wrapping tape is adopted, so that the lap rate is 15%.
The outer sheath layer 5 is made of flame-retardant cold-resistant oil-resistant polyvinyl chloride elastomer material, and the thickness of the outer sheath is 6.00mm.
The integrated cable in the embodiment is suitable for the wind turbine generator in a high-power wind turbine generator current transmission and high-frequency anti-interference capability use scene.
The specifications of the conductor sections in the second to fifth embodiments are gradually increased, and the characteristics are that the current-carrying capacity and the anti-interference capacity of the cable are integrated.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The utility model provides a power and signal integrated cable for reinforced fan sliding ring department, its characterized in that includes power cord group, power core group, signal line group, cable core assembly cable layer and oversheath layer, power cord group sets up in the center department of integrated cable, power core group and signal line group around setting up in the periphery of power cord group, power core group and signal line group constitute integrated cable core, the outside parcel of integrated cable core has cable core assembly cable layer, and the outside parcel of cable core assembly cable layer has the oversheath layer.
2. The utility model provides a power and signal integrated cable for reinforced fan slip ring department, which is characterized in that the power line group comprises a power line group pad core, a power line core group, a wrapping layer and a sheath protection layer which are sequentially arranged from inside to outside, wherein the power line core group is arranged around the power line group pad core, the power line group pad core and the power line core group form a power line group core, the wrapping layer is wrapped outside the power line group core, and the sheath protection layer is wrapped outside the wrapping layer.
3. The utility model provides a power and signal integrated cable for reinforced fan slip ring department, which is characterized in that the signal line group comprises a signal line group pad core, a signal line core group, an isolation layer, a waterproof layer and a shielding layer which are sequentially arranged from inside to outside, wherein the signal line core group surrounds the signal line group pad core, the signal line group pad core and the signal line core group form a signal line group core, the isolation layer is wrapped outside the signal line group core, the waterproof layer is wrapped outside the isolation layer, and the shielding layer is wrapped outside the waterproof layer.
4. The reinforced composite cable of claim 1, wherein the power core group, the power core group and the signal core group are all composed of insulated cores, and the insulated cores comprise an inner conductor and an outer insulating protective layer.
5. The reinforced fan slip ring integrated power and signal cable according to claim 4, wherein the inner conductors of the insulated wire cores in the power wire core group and the power wire core group are 5 th soft copper conductors, the inner conductors of the insulated wire cores in the signal wire core group are formed by twisting soft copper conductors and copper foil wires, and the outer insulating protective layer is made of flame-retardant crosslinked polyethylene insulating materials and is of an extrusion structure.
6. The reinforced composite cable for power and signal at slip rings of fans of claim 5, wherein the 5 th soft copper conductor is formed by twisting the soft copper conductor first and then twisting the soft copper conductor again, and the twisting direction of the soft copper conductor is left.
7. The reinforced composite cable for power and signal at the slip ring of the fan as claimed in claim 2, wherein the wrapping layer is formed by overlapping and wrapping a single-layer polyester belt, and then longitudinally wrapping an aluminum-plastic composite belt.
8. The reinforced fan slip ring power and signal integrated cable according to claim 1, wherein the outer sheath layer is made of flame-retardant cold-resistant oil-resistant polyvinyl chloride elastomer material, and the cable core assembly cable layer is externally wrapped with flame-retardant wrapping tape.
9. The reinforced fan slip ring integrated power and signal cable according to claim 3, wherein the isolation layer is made of polyester tape and is formed by single-layer overlapping and wrapping, the waterproof layer is made of aluminum-plastic composite tape and is of a longitudinal wrapping structure, and the shielding layer is made of copper wire woven metal shielding.
10. The reinforced fan slip ring power and signal integrated cable according to claim 2, wherein said sheath protecting layer is made of extruded flame-retardant polyvinyl chloride sheath material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421864154.0U CN223038645U (en) | 2024-08-01 | 2024-08-01 | Electric power and signal integrated cable for reinforced fan slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421864154.0U CN223038645U (en) | 2024-08-01 | 2024-08-01 | Electric power and signal integrated cable for reinforced fan slip ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223038645U true CN223038645U (en) | 2025-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421864154.0U Active CN223038645U (en) | 2024-08-01 | 2024-08-01 | Electric power and signal integrated cable for reinforced fan slip ring |
Country Status (1)
| Country | Link |
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| CN (1) | CN223038645U (en) |
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