896results about "Flexible cables" patented technology

The invention discloses a co-extrusion shielding medium-voltage power cable, and relates to the technical field of cables, the outer side of an inner reinforcing rope is provided with a supporting flame-retardant assembly, the outer side of the inner reinforcing rope is sleeved with a reinforcing spiral, the outer side of the reinforcing spiral is sleeved with a heat conduction pipe, a flame-retardant bag is installed between adjacent supporting rods, and one side of a heat conduction film is bonded with a flame-retardant silica adhesive tape. According to the invention, the reinforced connecting rods embedded in the reinforced through holes can extrude the supporting rods to deform, so that bending is resisted, and excessive bending deformation is prevented; heat generated in the use process of the cable can be dispersed to other positions of the cable, local overheating of the cable is prevented, influences on other inner conductors are reduced due to various reasons such as cooling, fire extinguishing and keeping away of the inner conductors, it is guaranteed that the cable can work normally for a longer time, and the other normal inner conductors are protected.

The invention relates to the field of drag chain cables, in particular to a high-flexibility shielding type drag chain cable and a preparation method thereof. The drag chain cable sequentially comprises a conductor layer, a shielding layer and a sheath layer from inside to outside. The conductor layer is formed by compositely twisting silver-plated copper wires and carbon fibers; the shielding layer comprises an inner shielding layer and an outer shielding layer, the inner shielding layer is wrapped by an aluminum-plastic composite belt, and the outer shielding layer is a tinned copper wire woven mesh. The sheath layer comprises the following components: a modified polyurethane elastomer, an ethylene-vinyl acetate copolymer, nitrile rubber, a composite flame retardant, a plasticizer, an antioxidant, a light stabilizer and a lubricant. Through the structural design of the conductor layer, the shielding layer and the sheath layer and the optimization of the material formula of the sheath layer, the problems that an existing drag chain cable is insufficient in strength and flexibility, limited in shielding effectiveness, poor in wear resistance and weather resistance and difficult to consider both flame retardance and mechanical property are solved.

The invention provides a multi-core heat dissipation flexible cable. The multi-core heat dissipation flexible cable comprises an inner sheath, a heat dissipation assembly, a separation assembly and a plurality of cell assemblies, an accommodating cavity is formed in the inner sheath; the heat dissipation assembly is arranged around the periphery of the inner sheath; the partition assembly is located in the containing cavity and comprises a center piece and a plurality of partition pieces, the partition pieces are arranged around the periphery of the center piece, and a core cavity is formed between any two adjacent partition pieces; the plurality of battery core assemblies are arranged corresponding to the plurality of core cavities, the battery core assemblies are located in the corresponding core cavities, each battery core assembly comprises an electric unit and a thermal deformation structure, one side of each electric unit is elastically connected to the center piece, the electric unit can slide relative to the center piece, one end of each thermal deformation structure is connected to the inner sheath, and the other end of each thermal deformation structure is connected to the outer sheath. The other end abuts against the side, away from the center piece, of the electric unit. Wherein the thermal deformation structure is thermally coupled with the electric unit, the thermal deformation structure is configured to be heated to generate elastic deformation so as to allow the electric unit to move to be in contact with the inner sheath, and the heat dissipation assembly is configured to dissipate heat of the electric unit through the inner sheath.

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 invention discloses a reinforced photoelectric composite cable of a coal mining machine, which belongs to the technical field of cables, and comprises a composite cable core structure, an armored protective layer and a sheath system, and the armored protective layer comprises a first steel belt, a second steel belt and a metal net braid layer, a third steel belt which is continuously bent to be of a wave structure is arranged in a cavity formed by the first steel belt and the second steel belt, the wave troughs of the third steel belt make contact with the inner wall of the first steel belt, and the wave crests of the third steel belt make contact with the inner wall of the second steel belt. The cable can be subjected to multi-dimensional mechanical property collaborative optimization under complex working conditions, the purpose of graded unloading is achieved through deformation of the steel plate, the situation that a traditional structure generally depends on rigid resistance of an armor layer is not needed, the flexibility is considered while the mechanical property is guaranteed, and the cable adapts to frequent bending scenes; and the long-term stable operation of the cable in a severe mine environment is further ensured.

A flexible circuit base board and a flexible flat cable are provided. The flexible flat cable includes the flexible circuit base board and a transmission element. The flexible circuit base board includes a base film, multiple conductive wires, a transmission signal pad, a conductive structure, a collecting signal pad and a cover film. The conductive wires are spaced and placed on the base film. The transmission signal pad and the collecting signal pad are electrically connected to and are disposed on the base film. The conductive structure is disposed on the base film, and is electrically connected to at least one of the conductive wires and the transmission signal pad. The cover film is disposed on the base film, and covers the conductive wires, the conductive structure, the transmission signal pad, and the collecting signal pad. The transmission element is electrically connected to the collecting signal pad.

The invention discloses a high-flexibility multifunctional cable and a manufacturing process and application thereof, and relates to the technical field of communication cables.The high-flexibility multifunctional cable comprises at least one conductor unit, and each conductor unit comprises a conductive wire core formed by twisting a plurality of metal conductors and a first inner insulating layer wrapping the exterior of the conductive wire core; the functional unit and the conductor unit are arranged in a bundling mode, the functional unit comprises a functional core body, a second inner insulating layer and a lapped inner shielding layer, the functional core body is wrapped with the second inner insulating layer, and after the conductor unit and the functional unit are combined, the conductor unit and the functional unit are sequentially wrapped with an outer shielding layer, a buffer layer, an armor layer and an outer sleeve layer from inside to outside. According to the invention, application scenes in main connecting pieces such as electric power communication composite power supply / transmission umbilical cords, aerospace cabin-out system umbilical cords, industrial robot automatic mechanical arms and the like can be met.

The invention relates to the technical field of composite armored cables, and discloses an intelligent sensing type photoelectric composite armored cable for deep-sea mining equipment, which comprises a cable core formed by twisting a plurality of power cable core conductors, an optical fiber communication unit, a medium conveying pipeline and an intelligent sensing unit, and an outer coating layer, tin-plated annealed copper wires and high-strength copper foil wires are arranged in a conductor of the power cable core, an insulation shielding layer is wrapped outside the conductor, the intelligent sensing unit integrates a plurality of optical fibers and optical fiber grating sensors, a loose structure is arranged outside the intelligent sensing unit, one intelligent sensing unit is used for monitoring strain distribution, the other intelligent sensing unit is used for monitoring temperature distribution, and other redundant optical fibers are used as redundant backups. A certain length of grid region interval is preset, distributed measurement along the length of the cable is realized, a sensing optical fiber in the intelligent sensing unit is connected to an optical fiber demodulator of a deck control room, a software system displays strain, temperature, vibration and form data of each point of the cable in real time, an alarm threshold value is set, and the structure is highly integrated and can adapt to a deepwater environment.

The invention relates to a halogen-free flame-retardant flexible bending-resistant low-voltage power cable and a manufacturing method thereof. An insulating layer of the cable is made of a core-shell type nano composite phase change material, a core layer is made of a polyethylene glycol / paraffin phase change material, a shell layer is made of polyurethane or modified polyamide nano fibers and nano SiO2 particles, and the cable is prepared by adopting a coaxial electrostatic spinning technology. According to the structure, stress can be effectively dispersed when the cable is bent, crack propagation is reduced, the temperature is adjusted through the phase change material, and local overheating is prevented. The three-dimensional network structure enhances the bending resistance of the cable, the bending life is prolonged by 40%-60%, and the halogen-free flame retardant performance is ensured at the same time. The technology realizes collaborative optimization of temperature adjustment, stress buffering and bending resistance, and is suitable for power cables with high requirements.

The invention discloses an ultra-flexible cable for a high-voltage charging pile and a preparation method of the ultra-flexible cable, and aims to solve the problems that an existing cable for the high-voltage charging pile is insufficient in flexibility, short in bending-resistant service life and poor in signal stability under high voltage. The cable comprises a conductor, an insulating layer, a shielding layer, a signal line group and a sheath layer, the conductor is made of superfine oxygen-free copper wires through layered different-direction back-twist bunch stranding and compound stranding, and a flexible aramid fiber core is arranged in the center of the conductor. The insulating layer is of a TPU / TPE double-layer co-extrusion structure; the shielding layer adopts a composite structure of a semi-conductive elastomer extruded layer and a superfine silver-plated copper wire braid layer; the signal line groups are symmetrically arranged in a star shape; and the sheath layer is made of a nano modified TPEE material. The preparation method focuses on optimization of conductor stranding, double-layer co-extrusion, annealing treatment and tension control processes; the bending radius of the cable is less than or equal to 3D, the bending service life is long, the cable can bear 1000VDC high voltage and large current transmission, and the cable has excellent shielding effectiveness, wear resistance and weather resistance, and is suitable for high-frequency mobile scenes such as electric vehicle alternating current and direct current charging guns.

The embodiment of the invention provides a submarine cable forming device, and relates to the field of submarine cables. The forming device comprises a supporting seat, the supporting seat comprises a base, a supporting rod, a first wire coil, a second wire coil and a third wire coil, the supporting rod is arranged on the base and extends in the vertical direction, the first wire coil and the second wire coil are located on the circumferential side of the supporting rod, and the second wire coil and the third wire coil are located on the same side of the supporting rod and arranged in the radial direction of the base; the cable positioning platforms are arranged on the supporting rod and are arranged on the upper side of the base at intervals; the cable twisting platforms are arranged on the supporting rod and are arranged on the upper side of the cable positioning platform at intervals; the shaping molds are arranged on the supporting rods and are arranged on the upper side of the cable twisting platform at intervals; and the cable wrapping assembly is used for wrapping the submarine cable assembly penetrating through the shaping mold with a cabling wrapping layer. The forming device of the submarine cable can improve the control of the tension of the optical cable and improve the stability in the twisting and paying-off process.

The embodiment of the utility model discloses a prefabricated connecting device for an elevator. The prefabricated connecting device comprises a building body structure, a corridor, an elevator shaft structure and a soft copper cable, the building body structure and the elevator shaft structure are both connected with the corridor; a power circuit is arranged on the outer side of the building structure and used for supplying power to users; the corridor is arranged between the building body structure and the elevator shaft structure and used for connecting channels of different floors; the elevator shaft structure is located on the outer side of the building body structure, vertically extends from the first floor to the top floor and is used as a running channel of an elevator. Path intersection exists between the elevator shaft structure and the power line; the soft copper cable is used for electrical connection at the intersection of the elevator shaft structure and the power line and penetrates through the inner wall of the corridor to be communicated with the power line. According to the embodiment of the utility model, potential safety hazards can be reduced, and the elevator and power lines can be conveniently and independently repaired and maintained.

The invention discloses a super fast-charging liquid-cooled cable and a preparation method thereof, belongs to the technical field of cable preparation, and is used for solving the technical problem that the flame retardant property and electromagnetic shielding property of a liquid-cooled cable in the prior art need to be further improved. Meanwhile, node bridging is introduced between the fibers to form a stable network skeleton structure, in a flame-retardant system, a phosphorus-nitrogen synergistic mechanism is adopted to promote rapid generation of a compact carbon layer, invasion of heat and flame is further blocked, and the three aspects cooperate with each other, so that the material can keep structural integrity in a heated environment, and the flame-retardant performance of the material is improved. The heat resistance, the flame retardance and the overall stability are remarkably improved, and the comprehensive protection effect superior to that of a conventional system is shown.

The invention relates to a power transmission flexible bus which has three waterproof layers from inside to outside through the arrangement of a metal protection layer, a first waterproof layer and a second waterproof layer, ensures the electrical insulation, and also has the waterproof effect through the arrangement of a mechanical protection layer. Stable and reliable protection is formed on the surface of a product, which is directly exposed to seawater, and the mechanical strength is improved; therefore, the waterproof and compressive properties of the product in the deep sea environment are remarkably improved, the use safety of the product is effectively improved, and the service life of the product is effectively prolonged. Meanwhile, through the arrangement of the first lining layer and the second lining layer, stable and reliable supporting and buffering are formed for the metal protection layer and the mechanical protection layer, the metal protection layer is prevented from damaging the insulating layer, the mechanical protection layer is also prevented from damaging the second waterproof layer and the metal protection layer, and the durability of each layer of the product is further ensured; mutual damage between different layers is avoided, and the function integrity of the function of each layer in the preset use period is guaranteed.

The invention relates to the technical field of industrial robot cables, and particularly discloses a bending-resistant industrial robot cable and a preparation method thereof. The cable comprises an elastic limiting piece, a cable core wire, a signal wire, a torsion springback layer, a shielding layer and a sheath layer. The elastic limiting piece is in a cross shape and located in the center of the cable, four cable core wires are arranged at the position of a cross-shaped groove, and four signal wires are arranged at the position of a cross-shaped edge. The outer side of the cable core wire is provided with a torsion springback layer; a tensile filling rope is arranged between the torsion springback layer and the elastic limiting piece; a flexible filling layer is arranged on the outer side of the torsion springback layer; and a shielding layer and a sheath layer are sequentially arranged on the outer side of the flexible filling layer. The high-modulus and high-resilience elastic limiting piece and the torsion resilience layer are designed in the cable to cooperatively assist the cable in timely returning during torsion and bending, so that the overall stress of the cable is uniform, permanent deformation caused by continuous accumulation of stress during bending and torsion of the cable is avoided, and the bending and torsion life of the cable is greatly prolonged.

The utility model discloses an elastomer drag chain cable suitable for a complex path, which comprises an outer sheath, a shielding layer, an inner sheath, a cable core, a transverse plate, positioning mounting blocks, a threading frame, a central bracket and an anti-twisting pay-off sleeve rod, the positioning mounting blocks are welded on two sides of the upper end surface of the transverse plate, and the central bracket is arranged at the central position of the lower end surface of the transverse plate; according to the elastomer tow chain cable suitable for the complex path, the outer sheath is in butt joint with the inner groove of the anti-twisting paying-off sleeve rod, the arc-shaped pressing cap is used for limiting the position in the cable paying-off process, and the cable is arranged in the middle of the center support. The front buffering flow guide rotating roller is used for guiding and supporting in the cable paying-off process and further releasing the rubber layer elastic torsion of a cable outer protective layer, cable paying-off distortion is avoided, cables are installed at the large-angle steering node and sequentially penetrate through the threading frame and the center support to form arc-shaped line installation, and a buffering spring is matched for buffering of a cable laying structure.

The invention discloses a stretch-resistant bending-resistant cable and temperature control type production equipment thereof, and relates to the technical field of stretch-resistant bending-resistant cables and temperature control type production equipment thereof.The cable is segmented in the axial direction, a pixelated heating ring belt base body is arranged outside a main conductor bundle in each segment, a fan-shaped cavity is formed in the base body, and Bi-Sn arc segment pixels are embedded in the fan-shaped cavity; the two layers of flexible printed electrode sleeves form an A-layer axial bus and a B-layer axial bus, the A-layer axial bus and the B-layer axial bus are connected with the arc section only in the section in a penetrating welding hole mode, and no middle hole exists outside the section and electrical interruption is achieved. And the dielectric isolation film realizes interlayer insulation. And the gating target section and the angle belt are connected in parallel for heating, so that the Bi-Sn is subjected to phase change softening and then is cured for shape locking, and local thermal shaping and peak clipping stress are completed. And an elastic encapsulating layer, a mechanical bearing and balancing base layer and a temperature bar code residual stress sheath are coated outside, and are matched with weaving and an outer sheath to prolong the fatigue life. The production equipment comprises an extrusion station, an embedding station, a rolling and welding station, a bar code writing station, an online detection station and a take-up section cutting station, and machine vision alignment ensures in-section conduction and inter-section isolation.

The invention relates to the technical field of cables, in particular to a mineral insulated fireproof cable and a take-up device matched with the mineral insulated fireproof cable for use, and the mineral insulated fireproof cable comprises a cable core, a shielding layer, an insulating layer, a fireproof aluminum tape, an insulating tape, a fireproof copper wire braid layer and an outer sheath. Comprising a take-up bottom frame, a take-up rotating column arranged on the take-up bottom frame, four limiting columns distributed in the circumferential direction with the take-up rotating column as the circle center, and a take-up top frame plate installed at the tops of the four limiting columns and matched with the take-up rotating column, and a take-up guide mechanism is arranged on the take-up bottom frame; and a driving mechanism connected with the take-up rotating column and the take-up guide mechanism is arranged at the bottom of the take-up bottom frame. According to the invention, through the arrangement of the insulating layer, the insulating tape, the fireproof aluminum tape and the fireproof copper wire braid layer, double insulation and double fire prevention are realized, and an integral aluminum pipe or copper pipe and mineral insulation are replaced, so that the cable is easy to bend and convenient to take up; and through the take-up device used in cooperation, the cable can be taken up quickly and conveniently.

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.

The utility model discloses a flexible high frequency data cable, include: conductor, the extrusion of conductor has PE insulating layer and forms core, is provided with foamed layer on PE insulating layer, the thickness of foamed layer accounts for 75% of PE insulating layer total thickness, and the foaming rate of foamed layer is 60%~65%, and every two core wire pairs form a pair of double -twisted pair, and the twisting pitch of every pair of double -twisted pair is different, and the aluminium -plastic composite tape is wrapped on double -twisted pair, and four pairs of double -twisted pair with aluminium -plastic composite tape are twisted into cable core, and the overlap gap of aluminium -plastic composite tape on each double -twisted pair all faces outward, and the tinned copper wire braid is woven on cable core, and the tinned copper wire braid covers and presses on the overlap gap of aluminium -plastic composite tape, and the weaving density of tinned copper wire braid is 70%, and the tape is wrapped on tinned copper wire braid, and the sheath is extruded on tape. The utility model can prevent the signal crosstalk between double -twisted pair without heat sealing to aluminium -plastic composite tape, thereby protecting PE insulating layer from being damaged.

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.

The invention provides a high-flexibility aluminum alloy cable, which belongs to the technical field of cables and sequentially comprises a modified aluminum alloy conductor, a composite insulating layer, a flexible shielding layer and a multifunctional modified sheath layer from inside to outside. The multifunctional modified sheath layer comprises 46.8%-53.5% of hydrogenated styrene-butadiene block copolymer modified polyamide, 15.6%-20.8% of an ethylene-octylene copolymer, 5.8%-10.4% of an environment adaptability repairing agent, 3.2%-5.8% of organic modified montmorillonite, 1.6%-3.6% of an insulation regulation and control auxiliary agent, 2.3%-4.2% of a compatilizer and 0.7%-1.4% of a cross-linking agent. The problems that flexibility, environmental adaptability, self-repairing capacity and high-voltage insulation performance of an existing aluminum alloy cable are difficult to cooperate, and performance matching of a conductor and a sheath is insufficient are effectively solved, and the comprehensive use performance, scene adaptation range, long-acting reliability and high-voltage use safety of the cable are remarkably improved.

This invention discloses a flexible wear-resistant cable and its preparation method, relating to the field of cable technology. The cable, from the inside out, comprises a stranded tin-plated copper conductor, an irradiated cross-linked polyolefin insulation layer, a polyester fiber buffer layer, and a wear-resistant composite sheath layer. The wear-resistant composite sheath layer uses a fluorosilicone thermoplastic polyester elastomer, hydrogenated styrene elastomer SEEPS, and vinyl acrylate rubber as the composite matrix. The cross-linking agent is a mixture of bis(1-vinylimidazolium-2-)one and tripropylene glycol diacrylate in a 1:(1-3) ratio, which synergistically regulates the cross-linking performance. The preparation method includes conductor stranding annealing, insulation layer extrusion irradiation, buffer layer wrapping, double-layer sheath extrusion, and steam vulcanization. This invention achieves a synergistic improvement in flexibility and wear resistance, and exhibits excellent fatigue resistance, insulation performance, and structural stability. It is suitable for high-frequency reciprocating cable chain applications in industrial automation, and the preparation process is controllable, facilitating industrial production.

The invention discloses a low-temperature-resistant high-voltage flexible cable and processing equipment thereof, and belongs to the technical field of cables. Comprising three conductor cores, the conductor cores are wrapped by conductor shielding layers, the outer sides of the three conductor cores are clamped with limiting frames, and connecting ribs are arranged among the three limiting frames to form triangular connection; the three conductor cores are wrapped by a filling layer to form a cable, and a composite shielding layer is braided on the outer side of the cable and comprises a braided layer and a conductive adhesive. A supporting core is also inserted in the middle position among the three conductor cores, and the supporting core passes through the middle part of the connecting rib. A through hole allowing the supporting core to penetrate through is formed in the middle of the connecting rib. The outer side of the composite shielding layer is also provided with a wrapping tape. The low-temperature-resistant and high-voltage-resistant flexible cable and the processing equipment thereof have the beneficial effects that through deep adaptation and cooperation of the cable and the equipment, full-chain optimization from design to manufacturing is realized, and the overall use effect is good.

The application discloses a kind of corrosion-resistant double-armored submarine cable and preparation method thereof, it is related to submarine cable technical field.The corrosion-resistant double-armored submarine cable includes outer sheath layer, water barrier layer, double-armored layer, insulating inner liner, filling layer, insulating layer, copper conductor in turn from surface to inside;The outer sheath layer is obtained by extruding coating on the surface of double-armored layer by corrosion-resistant submarine cable material;The corrosion-resistant submarine cable material includes the following raw material components: by mass parts, 75-90 parts of high-density polyethylene, 30-50 parts of ultra-high molecular weight polyethylene, 10-25 parts of modified microfiber, 8-15 parts of ethylene-vinyl acetate copolymer, 0.2-0.5 parts of antioxidant, 1-1.2 parts of lubricant.The application optimizes sheath layer material, solves the problems of existing double-armored submarine cable corrosion failure, short service life, unstable performance and other problems, meets the demand of long-term service reliability.

This utility model discloses a highly flexible, electromagnetic interference-resistant cable for robots, comprising a double-layer conductor bundle with a Kevlar fiber rope at its center. The space between the inner and outer conductor bundles, and between the inner and outer conductor bundles and the Kevlar fiber rope, is filled with thermoplastic elastomer and foamed silicone. The conductor bundles are spirally twisted in opposite directions at different pitches. The cable is surrounded by braided aramid fibers, an insulation layer, an inner shielding layer, an outer shielding layer, and a sheath layer. The sheath has semi-circular ribs and embedded elastic polyurethane strips. The thermoplastic elastomer is a polyurethane-based material, the foamed silicone is phenyl silicone rubber, the insulation layer is nano-silica modified methyl vinyl silicone rubber, the inner shielding layer is copper foil wrapped with a polytetrafluoroethylene self-lubricating coating, the outer shielding layer is tin-plated copper wire braid, and the sheath layer is a blend of polyurethane and silicone rubber coated with a nano-ceramic coating. This cable exhibits a long dynamic bending life under extreme environments, improves high-frequency shielding effectiveness, and is suitable for high-frequency movements of industrial robots and complex electromagnetic environments.

The invention relates to the technical field of cables, in particular to a torsion-resistant aluminum alloy cable which comprises a cable core composed of an aluminum alloy conductor, an isolation shielding layer and a crosslinked polyethylene inner sheath. The polyimide film is used for binding and fixing the plurality of cable cores; the outer layer of the polyimide film is sequentially coated with a copper strip wrapping shielding layer, a mica wrapping layer and an outer sheath layer. The outer sheath layer material has excellent mechanical properties and can effectively protect a conductor, and the prepared cable has good torsion resistance and fully meets multi-scene application requirements.

This invention belongs to the field of cable technology, specifically a thin-walled oxygen-barrier high-temperature resistant cable, comprising a conductor core and a thin-walled outer sheath. The conductor core has a high-temperature resistant insulation layer made of polyetheretherketone (PEEK) composite material on its outer side. Between the high-temperature resistant insulation layer and the thin-walled outer sheath, from the inside out, are sequentially arranged a ceramicized oxygen barrier layer and a flame-retardant reinforcement layer. The ceramicized oxygen barrier layer is a nano-modified ceramicized silicone rubber layer with a thickness of 0.05–0.15 mm, including an outer layer doped with silicon carbide whiskers and an inner layer doped with zinc borate. This invention prepares an ultra-thin ceramicized layer through gradient doping, resolving the contradiction between thin-walled design and oxygen barrier properties, and effectively improving the interfacial peel strength. This reduces the cable's outer diameter and bending radius, making the cable lightweight and suitable for high-dynamic applications.

The utility model discloses a cable with good torsion resistance relates to the technical field of wire and cable, a cable with good torsion resistance, including the cable tube of gathering from inside to outside setting in proper order, shielding braid, twist buffer layer and outer sheath, wherein twist buffer layer includes several groups of soft rubber pad strip and ointment diaphragm, and several groups of soft rubber pad strip evenly distribute in the outer circumferential side of shielding braid, and the adjacent soft rubber pad strip is filled with insulating ointment, and ointment diaphragm is covered in the outer circumferential side of soft rubber pad strip and insulating ointment. Thus when cable occurs bending or twist, the cable tube of gathering can be realized in the free activity in the outer sheath inside through rotating or extruding soft rubber pad strip, not only can the direct action of outside environmental factor through outer sheath to the cable tube of gathering be reduced greatly, but also can slow down the bending or twist amplitude of the cable tube of gathering, is favorable to make its cable tube not easy to break, and then can make the cable be applicable to the environment of outdoor strong wind, easy twist.

The application relates to the technical field of new energy, in particular to a flexible flat cable, a CCS assembly and a battery module. The flexible flat cable comprises a first surface and a second surface oppositely arranged in a thickness direction, a plurality of slits penetrating from the first surface to the second surface, a length edge extending along a length direction, and the slits defining signal leads; a conductor extending along the length direction; a support body made of insulating material, extending along the length direction and being separated from the conductor; an insulating film covering the conductor and the support body; and a through hole penetrating from the first surface to the second surface at the support body and avoiding the conductor.