449results about "Power cables" patented technology

The invention discloses an environment-friendly flame-retardant medium-voltage cable, and relates to the technical field of cables, the outer side of an inner conductor is provided with a flame-retardant protection assembly, the flame-retardant protection assembly comprises flame-retardant filling bodies, the middle parts of the opposite side surfaces of the adjacent flame-retardant filling bodies are provided with supporting grooves, and arc-shaped spring plates are adhered to the interiors of the supporting grooves. The outer side of the cable is extruded and collided, the impact force is attenuated layer by layer, the situation that the cable is damaged due to collision and impact is reduced, when the outer side of the cable is frozen, the heating wire emits heat, and the cable is prevented from being damaged. When the cable is deiced, the inflatable strip outside the insulating middle layer is uniformly heated, the outer insulating layer is pushed to bulge, and the ice layer outside is jacked open, so that the ice layer is broken and falls off, and compared with the conventional deicing method which only depends on heating, the energy consumption is lower, the cable is environment-friendly and energy-saving, the deicing effect is better, and the cable is more favorably protected.

The invention relates to the technical field of cables, and particularly discloses a high-performance halogen-free flame-retardant flexible power cable. The high-performance halogen-free flame-retardant flexible power cable comprises a core layer, an insulating layer, a flame-retardant layer, a shielding layer and a protective layer which are arranged in sequence, the flame-retardant layer is prepared from the following raw material components in parts by weight: 30 to 40 parts of ethylene-vinyl acetate copolymer, 10 to 20 parts of polyolefin elastomer, 8 to 10 parts of microencapsulated ammonium polyphosphate, 2.5 to 4.5 parts of pentaerythritol, 20 to 30 parts of inorganic flame retardant, 5 to 8 parts of expansible graphite, 2 to 3 parts of diatomite, 0.5 to 1.5 parts of nano kaolin, 2 to 3 parts of zinc borate, 0.1 to 0.5 part of antioxidant and 0.5 to 1.0 part of lubricant. The cable provided by the invention not only has good flame retardant property, but also has certain flexibility.

The invention relates to the technical field of cables, and discloses an anti-ultraviolet outdoor cold-resistant power cable adapting to day and night temperature difference. The device is provided with the polyurea sealing micro-capsules, the hexagonal cells, the micro-capsule elastic pieces and the stretching structures, in a low-temperature environment, the polyurea sealing micro-capsules contract, at the moment, the micro-capsule elastic pieces lose supporting force and begin to release elastic potential energy, the hexagonal cells deform and begin to expand outwards, and when the hexagonal cells expand outwards, the trough positions of the stretching structures are pushed to expand outwards; the stretching structure is gradually stretched into a cylindrical outline from a corrugated shape, under the external expansion action of the hexagonal cells and the stretching structure, the cable sheath layer is promoted to actively expand to offset shrinkage stress, the problem of low-temperature embrittlement is effectively avoided, meanwhile, the design of the corrugated structure is used for coping with axial shrinkage of the cable sheath layer, and the tensile strength of the cable sheath layer is improved. The cable is divided into a plurality of independent units by the cable separation rings, the overall axial shrinkage is decomposed into local small-amplitude shrinkage of each unit, and cable distortion and cable insulation layer cracking caused by shrinkage stress accumulation are avoided.

The invention provides a heat dissipation flexible cable. The heat dissipation flexible cable comprises an inner sheath, a heat dissipation assembly, a separation assembly, a plurality of battery cell assemblies and a plurality of sliding assemblies, the inner sheath is provided with an accommodating cavity; the heat dissipation assembly is arranged around the periphery of the inner sheath; the separation assembly is located in the containing cavity and comprises a center piece and a plurality of separation pieces, the separation pieces are arranged around the periphery of the center piece, and a core cavity is formed between any two adjacent separation pieces; the battery core assemblies are located in the corresponding core cavities, each battery core assembly comprises an electric unit, a thermal expansion structure and a first elastic piece, and one side of each electric unit is elastically connected to the inner sheath through the corresponding first elastic piece; the plurality of sliding assemblies are arranged corresponding to the plurality of separators, the sliding assemblies are slidably arranged on the separators corresponding to the sliding assemblies, and the sliding assemblies are configured to install optical units; the thermal expansion structure is configured to be heated to drive the electric unit and the sliding assembly to move towards one side of the inner sheath to abut against the inner sheath, and the heat dissipation assembly can dissipate heat of the electric unit and the optical unit through the inner sheath.

The present invention relates to a polypropylene composition comprising (A) from 80.0 to 99.0 wt.-% of a copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms having a total amount of comonomer units of from 10.0 to 16.0 wt %, based on the total amount of monomer units of the copolymer of propylene (A); a melt flow rate MFR2 of from 0.5 to 2.5 g / 10 min; a xylene cold soluble (XCS) fraction in a total amount of from 25.0 to 50.0 wt %, based on the total weight amount of the copolymer of propylene (A); and (B) from 1.0 to 20.0 wt.-% of an ethylene polymer having a density of from 915 to 960 kg / m3; and a melt flow rate MFR5 (190° C., 5 kg) of from 0.05 to 5.0 g / 10 min, an article comprising said polypropylene composition, preferably a cable comprising an insulation layer comprising said polypropylene composition, and the use of said polypropylene composition as cable insulation for medium and high voltage cables.

The invention relates to the technical field of power cables, and provides a flame-retardant power cable and a preparation method thereof. The flame-retardant power cable comprises a conductor, an insulating layer and a sheath layer which are sequentially arranged from inside to outside, and the sheath layer is prepared from, by weight, 40-60 parts of polyethylene, 60-80 parts of ethylene-vinyl acetate copolymer, 8-10 parts of compatilizer, 3-5 parts of auxiliaries, 15-20 parts of filler and 60-70 parts of flame retardant. The flame retardant is prepared from magnesium hydroxide, antimony trioxide, hydrated zinc borate and an aromatic bromine-containing compound in a mass ratio of 45: 8: 12: (25-30), and the number of bromine atoms of the aromatic bromine-containing compound is 6-8. According to the technical scheme, the problem of insufficient flame retardant property of the power cable in the prior art is solved.

The invention discloses a structured cable with self-cooling and state self-sensing functions, and belongs to the technical field of wires and cables. The cable comprises a conductor, an insulating layer, a functional layer, a sensing layer and an outer sheath from inside to outside. The functional layer is made of an elastic porous material, a spiral cavity is embedded in the functional layer to form a passive heat dissipation channel, and efficient heat dissipation is achieved through the chimney effect. The sensing layer is formed by compounding a transparent polymer base material and thermochromic microcapsules, and when the local temperature of the cable exceeds a safety threshold value, the color changes, so that visual positioning of an overheat fault point is realized. The heat dissipation and state sensing functions are deeply integrated in the cable body structure, external equipment and energy are not needed, the cable has the advantages of being simple in structure, low in cost, safe, reliable and the like, and the problems that a traditional cable depends on an external heat dissipation and monitoring system, so that the structure is complex, cost is high, and operation and maintenance are inconvenient are effectively solved.

A liquid cooled charging cable system may be provided. The liquid cooled charging cable system may comprise a source, a load, a liquid cooled charging cable, and a cooling device. The liquid cooled charging cable may connect the source to the load, and may supply electric energy from the source to the load. The liquid cooled charging cable may comprise a supply conductor and a return conductor. The cooling device may pump a coolant around the supply conductor and the return conductor where the supply conductor and the return conductor may be immersed in the coolant.

The invention relates to the field of cables, and discloses a high-voltage fire-resistant cable, which comprises an outer layer, a skeleton structure is arranged in the outer layer, a plurality of groups of wire cores are arranged between the skeleton structure and the outer layer at equal intervals, and a reinforcing core is arranged in the skeleton structure. A middle fireproof layer adopts a ceramic silicone rubber composite system (containing 25 parts of phlogopite, 8 parts of nanometer aluminum oxide and a ceramic accelerant) with an optimized proportion, a hard protective shell with the density being larger than or equal to 1.8 g / cm < 3 > can be rapidly ceramized at the temperature of 320 DEG C, the synergistic flame-retardant effect of surface layer high-flame-retardant PVC (the oxygen index is 32) is matched, and the flame-retardant effect is good; the cable can continuously block heat permeation in flame of 950-1000 DEG C for 180 minutes, the temperature of the inner layer is stably controlled to be below 180 DEG C and is far lower than the insulation tolerance limit of a cable core, the pain point of'rapid failure in fire 'of a traditional cable is thoroughly solved, and golden rescue time is won for power emergency guarantee in key scenes such as high-rise buildings and subway tunnels.

The invention relates to the technical field of cross-linked polyethylene insulated cables, and discloses an overhead insulated cable with an anti-icing coating, which comprises a cable core, an inner shielding layer, an insulating layer, an outer shielding layer, an inner sheath, an armor layer and other conventional structures, and is characterized in that a driving assembly and an anti-icing jacket assembly are arranged outside at equal intervals; the driving assembly is driven by the fixed ring, the rotating ring and the micro motor to drive the spiral twisting wire to be alternately tightened and loosened, so that the flexible twisting sleeve synchronously realizes radial wriggling and circumferential bidirectional torsion, the outer wall of the flexible twisting sleeve is provided with a V-shaped axial twisting groove, and the outer wall of the flexible twisting sleeve is coated with a compound anti-icing coating; according to the scheme, a bonding interface for breaking an ice blank and the surface of the cable at the initial stage can be formed on an ice shell, a thin water film is quickly discharged to block an icing core, and the hydrophobic and ice-hydrophobic characteristics of the coating are matched, so that ice layer growth circulation is cut off from the source, icing thickening is effectively inhibited, and safety accidents caused by large-scale icing are avoided; and the operation reliability of the aerial cable in the freezing rain, high-humidity and low-temperature environment is improved.

The invention relates to the technical field of power cables, and provides a compression-resistant wear-resistant cross-linked polyethylene insulated power cable, which comprises a cable body, the cable body is formed by twisting a plurality of conductors arranged in a twisting manner, and the plurality of conductors arranged in the twisting manner are coated with a belting layer. The cable further comprises cross-linked polyethylene insulating layers, a filling layer, a sheath layer, a butt joint assembly and a compression-resistant protection assembly, each conductor is coated with the cross-linked polyethylene insulating layer, the filling layer is arranged in the belting layer, the sheath layer is arranged outside the belting layer, the butt joint assembly is arranged between the two sections of cable bodies, the compression-resistant protection assembly is installed on the butt joint assembly, and the compression-resistant protection assembly is installed on the butt joint assembly. According to the technical scheme, the problem that in the prior art, after the cable is laid, due to the fact that the backfill soil is not tamped in a layered mode, uneven pressure is generated on the trench wall and the cover plate by the soil, the cable is pressed, and the possibility of cable damage is increased is solved. And thus, the cable is easier to be mechanically damaged.

The present invention relates to an electrical cable (1), particularly well suited for the transport of low voltage energy, comprising at least one electrically insulating layer (3) surrounding at least one elongated electrically conductive element (2), wherein said insulating layer (3) is obtained from a thermoplastic polymer composition comprising a homophasic propylene polymer; and a heterophasic ethylene copolymer, present at a level of less than 40% by weight relative to the total weight of polymers in the thermoplastic polymer composition.

The utility model provides a kind of deicing wind-resistant double-insulated overhead transmission cable, it is characterized by including steel wire tensioning element, inner insulation layer, aluminum alloy conductor layer, outer insulation layer;Utilize steel wire tensioning element to pass through aluminum alloy conductor layer, steel wire tensioning element inductive heat generation, heat is radiated to cable surface through the inner insulation layer with certain thermal conductivity, aluminum alloy conductor layer and outer insulation layer, can continuously generate heat to melt cable surface icing. Real-time heating cable surface, substantially reduce the possibility of cable surface icing in low-temperature freezing weather, reduce cable icing hazards, while the surface is designed wind channel structure, reduce the synergistic hazards of icing and strong wind, deicing efficiency is high, compared with other deicing methods efficiency is higher while cost is lower, beneficial to the development of industry, to improve power grid operation efficiency in turn, with popularization and utilization value.

The invention discloses an aluminum alloy conductor high-conductivity surface treatment power cable, and relates to the technical field of electric wire and cable manufacturing, and the aluminum alloy conductor high-conductivity surface treatment power cable comprises an upper protection sleeve and further comprises a lower protection sleeve located below the upper protection sleeve. For Joule heat generated by a conductor during operation of the cable, the cable forms an organic whole through fusion of gradient composite coatings and a sealed heat dissipation structure, and the working principle of the cable is as follows: a high-conductivity, strong-combination and corrosion-resistant current path is constructed on the surface of the aluminum alloy conductor by using three layers of gradient composite coatings; a stable physical environment is provided for an electrical core through a sealing mechanical structure and a heat absorption design; the operation state is sensed in real time by means of an integrated sensor network, power transmission safety and intelligent management are guaranteed, and finally electrical performance and long-term operation reliability which are comparable with or even superior to those of a traditional copper cable are achieved on the basis of light weight and low cost.

This invention relates to the field of power cable technology and proposes a bend-resistant high-voltage cable, comprising several stranded multi-core conductors, each multi-core conductor being covered with an insulation layer, and further comprising a flexible tube, a filler layer, a wrapping layer, a buffer layer, a sheath layer, and end positioning components. The flexible tube is disposed between the multiple multi-core conductors and abuts against the insulation layer of each multi-core conductor. The multiple multi-core conductors are sequentially covered with the filler layer, wrapping layer, buffer layer, and sheath layer. When the cable is bent, the filler layer can deform to create space for the multi-core conductors. End positioning components are installed at both ends of the cable, and several support components are disposed between the two end positioning components. Through the above technical solution, the problem of bending stress concentration easily occurring in the prior art due to the frequent bending of drag chain cables, which easily leads to damage to the insulation layer and sheath layer, is solved.

This invention discloses a lightweight, flame-retardant, medium-voltage aluminum alloy cable for new energy charging stations, relating to the field of aluminum alloy cable technology. It includes a cable core and an aluminum alloy armor layer and an outer sheath layer sequentially wrapped around the cable core from the inside out. The aluminum alloy armor layer consists of an inner armor layer and several outer armor layers fitted onto the inner armor layer. The two ends of the outer armor layers are slidably connected to the inner armor layers, and a thermal expansion agent is filled between adjacent outer armor layers. The inner surface of the outer armor layer has several annularly distributed guide rods, and the inner armor layer has several grooves corresponding to and slidably sealed to the guide rods. Component B is encapsulated in the grooves, and component A is encapsulated in the guide rods. The lower end of the guide rods has a valve that allows component B to enter component A to react and release the flame-retardant material. This invention improves the flame-retardant performance of the aluminum alloy cable by creating a chemical-physical protective barrier through the interlocking of the thermal expansion agent and the outer armor layer.

The present disclosure relates to a cold-resistant medium-voltage power cable, includes a cable body, wherein a bending protection sleeve is slidably sleeved over an outer end of the cable body. Through the cooperative use of the bending protection sleeve, the clamping disc, the flexible electric heating patch, and the bending sensing assembly, on one hand, the arrangement reduces the difficulty in bending the cable body during installation, prevents damage to the cable body caused by excessive bending, and improves the efficiency and safety of installing the cable body in cold regions; on the other hand, the arrangement enables heating treatment at a bent installation section of the cable body. This configuration not only enhances flexibility of the cable body during installation, reducing damage to internal conductive cores of the cable body, but also provides continuous thermal protection to the bent installation section during subsequent operation of the cable body.

This invention discloses a high-current-carrying overhead insulated cable with a heat dissipation enhancement structure, relating to the field of overhead cable technology. A metal heat-absorbing arc plate is embedded inside the fiber rope buffer layer. Metal surrounding heat-absorbing arc sheets are equidistantly installed at both ends of the top of the metal heat-absorbing arc plate, and metal heat-conducting columns are equidistantly connected to the bottom ends of the metal surrounding heat-absorbing arc sheets. A heat-conducting metal arc plate is embedded inside the outer rubber protective layer, and a tightly fitted metal heat-absorbing plate is attached to the bottom surface of the outer rubber protective layer. This invention constructs a heat absorption and conduction path inside the cable, facilitating the conduction of heat generated by the cable core. It can effectively and quickly conduct heat dissipated from the core outwards. Furthermore, by bringing the tightly fitted metal heat-absorbing plate and the heat-conducting metal arc plate close together, the conducted heat can be discharged to the outside of the cable. High-efficiency heat dissipation fins increase the heat dissipation area, allowing the heat inside the cable to be quickly dissipated to the external environment.

The application relates to the technical field of fire-resistant cables, and particularly discloses a high-flame-retardant high-fire-resistant cable which is composed of a conductor, an insulation layer formed of magnesium oxide particles and an outer sheath, a spiral cavity is arranged between the conductor and the outer sheath, the spiral cavity is formed of at least one spiral-wound insulation belt, the magnesium oxide particles are filled in the spiral cavity and compacted, the insulation belt is a high-temperature-resistant flexible mica belt, the mica belt is composed of synthetic mica paper or phlogopite paper and alkali-free glass fiber cloth, the spiral cavity formed by the spiral-wound composite mica belt limits the displacement of the magnesium oxide particles, the inclined winding of the insulation belt constructs a support system which is stable in structure and uniform in pressure distribution, the anti-deformation capacity of the insulation layer under dynamic mechanical stress is greatly improved, the integrity of the insulation medium is effectively ensured, and the technical problem that the magnesium oxide layer in a traditional mineral-insulated cable is easy to loosen is effectively solved.

The utility model relates to the technical field of overhead transmission lines, in particular to an overhead conductor. The overhead conductor comprises a core body and a first conductive layer, the core body is coated with the first conductive layer, a plurality of guide grooves are formed in the face, away from the core body, of the first conductive layer, the guide grooves are sequentially arranged at intervals in the axis direction of the core body, and a first included angle is formed between the extending direction of the guide grooves and the axis direction of the core body. According to the overhead conductor provided by the invention, the deicing effect can be realized, and the safety of power transmission is ensured.

The present invention relates to a power cable comprising a cable core comprising an electrical conductor and an electrically insulating layer surrounding the electrical conductor, and a water barrier sheath surrounding the cable core, wherein the water barrier sheath comprises a metal layer, wherein the metal layer comprises a metal alloy comprising zinc, or a zinc alloy.

The invention relates to the technical field of composite cables for rail transit, and provides a flexible composite cable for rail transit and a preparation method thereof.The preparation method comprises the steps that a power transmission unit, a signal transmission unit and PBO fiber bundles are constructed into a three-dimensional transmission network framework which is in a hollow tube shape as a whole through three-dimensional weaving; a plurality of upgrading channel pipes are arranged on the inner side of the three-dimensional transmission network framework, and the outer side of the three-dimensional transmission network framework is sequentially coated with a shielding layer and an outer protection layer from inside to outside. According to the flexible composite cable for the rail transit and the preparation method of the flexible composite cable, power transmission and signal transmission can be integrated, meanwhile, the overall anti-pressure capability, flexibility and anti-torsion stability are improved, the integrity of electrical connection and optical paths is effectively protected, the cost and upgrading complexity of the whole life cycle are remarkably reduced, and the service life of the cable is prolonged. And flexibility is provided for long-term technical evolution of a rail transit system, and reliable electromagnetic interference protection capability is maintained.

Forcing a line to ground fault in a power cable to prevent an occurrence of a line to line fault is provided. Specifically, a cable device includes a conduit jacket and at least one pair of conductors that is contained within and extends along a length of the conduit jacket. The conductors of the at least one pair of conductors within the conduit jacket form a plurality of internal spaces. The at least one pair of conductors is configured to transmit electrical power from a first device to a second device. The cable device further includes a conductive filler inside the conduit jacket occupying spaces within the conduit jacket other than the plurality of internal spaces.

The invention relates to a corrosion-resistant marine cable and a preparation method thereof.The corrosion-resistant marine cable comprises a wire core composed of a conductor and an insulating layer wrapping the conductor, and further comprises a gradient composite corrosion-resistant sheath wrapping the wire core, and the gradient composite corrosion-resistant sheath is of a three-layer co-extrusion integrated structure and comprises a bottom layer combined with the insulating layer, the bottom layer comprises the following components in parts by weight: 80-90 parts of thermoplastic polyurethane and 10-20 parts of a corrosion inhibitor; the middle layer is coated outside the bottom layer and comprises the following components in parts by weight: 90-99 parts of chlorinated polyethylene and 1-10 parts of graphene modified epoxy resin; and the surface layer is coated outside the middle layer and comprises the following components in parts by weight: 95-99 parts of fluororubber and 1-5 parts of carbon nanotubes. When the corrosion-resistant marine cable is applied to a complex corrosion environment with high salt mist and much oil dirt in the ocean, the corrosion-resistant marine cable has good comprehensive protection capability, and the service life of the cable is remarkably prolonged.

The application provides a brancher and a composite cable structure, and relates to the technical field of optical-electrical composite cables. The brancher comprises: a shell comprising a first end and a second end arranged oppositely, the inside of the shell having a mounting channel penetrating through the first end and the second end, and the mounting channel being used for accommodating a branch part; a branch assembly connected with the first end of the shell, used for penetrating a branch cable and closing the gap between the shell and the branch cable; and a protective shell sleeved around the first end and protruding relative to the first end, so that the protective shell covers part of the branch cable located outside the shell. The brancher and the composite cable structure provided by the application solve the problem that the branch cable of the branch outlet is easily attacked by birds or damaged under external force after the main cable is separated into multiple branch cables in the related art.

The invention relates to the technical field of cross-linked polyethylene insulated power cables, and provides a low-voltage fire-resistant cross-linked polyethylene insulated power cable, which comprises a conductor cable core, a flame-retardant mechanism, a heat dissipation buffer mechanism and an outer sheath, and is characterized in that the conductor cable core is sleeved with a cross-linked polyethylene insulating layer, the flame-retardant mechanism is sleeved on the cross-linked polyethylene insulating layer, and the heat dissipation buffer mechanism is sleeved on the outer sheath. The flame-retardant mechanism is internally provided with a plurality of miniature material storage assemblies capable of spraying a cooling flame retardant, the flame-retardant mechanism is sleeved with the heat dissipation buffer mechanism, the air supply cooling mechanism is detachably arranged on one side of the heat dissipation buffer mechanism in a sealed mode, and the heat dissipation buffer mechanism is sleeved with the outer sheath. According to the technical scheme, the problems that although a low-voltage fire-resistant cross-linked polyethylene insulated power cable in the prior art has certain fire resistance, the heat dissipation performance of the cable is further affected, and the heat dissipation efficiency is poor are solved.

The invention discloses an environment-friendly intelligent medium-voltage cable, and relates to the technical field of cables, the environment-friendly intelligent medium-voltage cable comprises cable main body assemblies, a joint assembly and a disassembly assembly, the joint assembly is used for connecting the two cable main body assemblies, and the cable main body assemblies comprise a plurality of copper strip shields; the outer surface of each copper strip shield is fixedly connected with two disassembling assemblies; according to the environment-friendly intelligent medium-voltage cable, the drawing ring is pulled outwards to drive the limiting clamping strip to be drawn outwards, and the first buckle and the second buckle are tightly clamped outside the limiting clamping strip at the same time, so that when the limiting clamping strip is drawn out, the first buckle and the second buckle can be easily separated; the problem that all the layers in an existing medium-voltage cable are adhered through adhesives and cannot be classified and recycled is solved.

The invention belongs to the technical field of cable manufacturing, and particularly relates to a novel pressure-bearing power cable which comprises wires, an insulating material, a filler and an outer sheath, the wires are molded line structures made of annealed soft copper wires, the wires are wrapped by the insulating material, a plurality of wires wrapped by the insulating material are gathered into a whole, and the outer sheath is sleeved with the filler. The insulating material wraps the insulating material, the insulating material wraps the insulating material, the insulating material wraps the insulating material, the insulating material wraps the insulating material, the insulating material wraps the insulating material, the insulating material wraps the insulating material, the insulating material wraps the insulating material, the insulating material wraps the insulating material, the insulating material wraps the insulating material, and the insulating material wraps the insulating material. The lead, the insulating material and the filler are all positioned in the middle of the arch; the power cable can bear materials such as vehicles to pass through the surface by means of the special structure of the power cable, and has the advantages of being waterproof and not prone to breakage.

The invention belongs to the technical field of power transmission, and provides an anti-icing aluminum cable steel reinforced and a preparation method thereof.The preparation method comprises the steps that an ethylene glycol solution and mesoporous silica are mixed, and modified silica is obtained; mixing fluorinated polyurethane, butyl acetate and the modified silicon dioxide solution to obtain a composite coating; and coating the composite coating on the surface of the steel-cored aluminum stranded wire, and curing to obtain the anti-icing steel-cored aluminum stranded wire. After coating, the resin is cured to form a continuous three-dimensional network, and the modified silicon dioxide is fixed on the surface of the coating, so that a micro-nano coarse structure is constructed, and a rapid water guide effect is realized; fluorocarbon chains in the fluorine-containing coupling agent form a low-surface-energy molecular layer, so that the purpose of hydrophobic chemical modification is achieved; ethylene glycol in silicon dioxide can be actively released from the pore channels, the freezing point is reduced, and the long-acting anti-icing target is achieved. The anti-icing effect of the steel-cored aluminum strand is achieved through a triple mechanism of micro-nano structure water diversion, low-surface-energy molecular layer hydrophobicity and modified silicon dioxide freezing point reduction.