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294results about "Communication cables" patented technology

Photoelectric Composite Flexible High-Voltage Reel Cable

A photoelectric composite flexible high-voltage reel cable, including a polyethylene outer sheath (1), a double-face plastic-coated steel belt (2) connected to an inner side of the polyethylene outer sheath (1), an insulating tape (3) connected to an inner side of the double-face plastic-coated steel belt (2), an anti-crack protective sleeve (4) connected to an inner side of the insulating tape (3), and a power cord body (6), a filler rope (7), a reinforcement (9) and an optical fiber body (8) sequentially distributed on an inner side of the anti-crack protective sleeve (4) from top to bottom, where the power cord body (6), the filler rope (7) and the optical fiber body (8) are distributed on a peripheral side of the reinforcement (9). The photoelectric composite flexible high-voltage reel cable further includes a metal radiating column (11), movable balls (13), a rubber air bag (14), and a conveying pipe (15).
Owner:ZHONGCHEN CABLE (JIANGXI) CO LTD

Heat dissipation flexible cable

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.
Owner:ZHONGTIAN INTELLIGENT CABLE CO LTD +1

High-flexibility multifunctional cable and manufacturing process and application thereof

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.
Owner:广州粤道实业股份有限公司

Intelligent sensing type photoelectric composite armored cable for deep-sea mining equipment

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.
Owner:MARINE TECHNOLOGY INNOVATION CENTER YANGTZE DELTA

Submarine cable forming device

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.
Owner:ZHONGTIAN TECH SUBMARINE CABLE CO LTD +4

Novel intelligent early-warning fire-resistant medium-voltage cable and preparation method thereof

The invention provides a novel intelligent early-warning fire-resistant medium-voltage cable and a preparation method thereof, and the cable comprises a cable core which comprises a conductor which is formed by compressing and twisting a plurality of annealed soft copper wires; the communication optical cable and the temperature measuring optical cable are arranged in the cable core, the temperature measuring optical cable is used for collecting whole-line temperature signals of the cable in real time, and the communication optical cable is used for receiving the whole-line temperature signals of the cable collected by the temperature measuring optical cable in real time, converting the signals into optical signals and transmitting the optical signals to a control terminal; the control terminal analyzes the received temperature data and controls the working state of the early warning device. The fireproof structure is arranged on the outer side of the cable core; the protective layer structure is arranged on the outer side of the fireproof structure; real-time monitoring, transmission and early warning of fire temperature signals are achieved through the optical cable communication technology, meanwhile, the continuous power supply and information transmission capacity of the cable in the fire high-temperature environment is ensured, precious time is won for rescue, and the use safety of the cable is improved.
Owner:TONGDING INTERCONNECTION INFORMATION CO LTD

Polyurethane watertight photoelectric composite cable

The utility model discloses a polyurethane watertight photoelectric composite cable, and relates to the technical field of watertight photoelectric composite cables. The composite cable comprises the outer sheath, the inner sheath, the optical fiber unit and the power line, the inner sheath is arranged in the outer sheath, the overall use strength of the composite cable is improved through the outer sheath and the inner sheath, and the armor layer is arranged between the outer sheath and the inner sheath, so that even if the outer sheath is broken, the optical fiber unit can be prevented from being damaged, and the service life of the composite cable is prolonged. The inner sheath is protected through the armor layer, the first water-blocking tape is made of a material formed by compounding polyester fibers and a high-water-absorption material after meeting water, and when water enters a cable port using the water-blocking tape, high-water-absorption powder or a water-swelling material contained in the water-blocking tape can absorb the water through the water absorption performance of the high-water-absorption powder or the water-swelling material. And the water-blocking tape expands to become gel to form a protective barrier for preventing water from flowing, namely, the protective barrier performs waterproof protection between the broken part of the outer sheath and the armor layer.
Owner:TIANJIN WANBO WIRES & CABLES CO LTD

High-flame-retardant temperature-resistant corrosion-resistant optical fiber composite cable and preparation method thereof

The invention discloses a high-flame-retardant temperature-resistant corrosion-resistant optical fiber composite cable and a preparation method thereof, and belongs to the technical field of cable manufacturing, and the high-flame-retardant temperature-resistant corrosion-resistant optical fiber composite cable sequentially comprises an optical fiber unit, a conductor layer, an insulating layer, a shielding layer, a corrosion-resistant layer and a sheath layer from inside to outside. The optical fiber unit adopts a ceramic silicone rubber buffer layer; the conductor layer is a nickel-plated copper alloy stranded wire, and the oxidation resistance is enhanced through nano titanium dioxide sol treatment; the insulating layer is of a three-layer co-extrusion structure; the shielding layer adopts an aluminum-plastic composite belt and tinned copper wire braided composite structure; the anti-corrosion layer is a polytetrafluoroethylene film subjected to plasma treatment; the sheath layer is made of two-component ceramic silicone rubber, is flexible after being vulcanized at normal temperature, and is converted into a ceramic body at high temperature. According to the optical fiber composite cable, through the collaborative design of a multi-layer structure, the performance of excellent continuous use stability, high salt mist environment corrosion resistance and the like is achieved, the optical fiber composite cable is suitable for high-temperature, corrosion, fire and other severe environments, and the safety and durability of the composite cable are remarkably improved.
Owner:QUFU HONGFEI CABLE

OPGW optical cable and preparation method thereof

The invention provides an OPGW optical cable and a preparation method thereof, the OPGW optical cable comprises an optical unit and an aluminum coating layer coating the surface of the optical unit, the optical unit comprises a stainless steel tube and at least one optical fiber located in the stainless steel tube, the aluminum coating layer coats the surface of the stainless steel tube, the thickness of the aluminum coating layer is 1.30-1.40 mm, and the thickness of the stainless steel tube is 0.20-0.30 mm. According to the OPGW optical cable, the thin-wall stainless steel tube and the thick-wall aluminum coating layer are combined, the mechanical performance of the optical cable is improved, the outer diameter of the optical unit is reduced, the overall weight of the optical cable is reduced, and compatibility of mechanical strength, light weight and construction adaptability is achieved.
Owner:ZHONGTIAN ELECTRIC POWER OPTICAL CABLES CO LTD +1

Flexible composite cable for rail transit and preparation method thereof

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.
Owner:QUJING CABLE CO LTD

Conductor assembly separator

A cable with a conductor assembly separator may be provided. The cable may comprise an assembly, a jacket, and a conductor assembly separator comprising an interweave assembly separator. The assembly may comprise a first conductor, a second conductor, and a ground. The interweave assembly separator may be disposed between the first conductor and the ground, the second conductor and the ground, a first side of the assembly and the jacket, and a second side of the assembly and the jacket.
Owner:SOUTHWIRE CO LLC

Branching device and composite cable structure

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.
Owner:ZHONGTIAN RADIO FREQUENCY CABLE CO LTD +1

Invisible underwater detection optical cable and manufacturing method thereof

The invention relates to a stealth underwater detection optical cable and a manufacturing method, the stealth underwater detection optical cable comprises a cable core, the periphery of the cable core is provided with a protective sleeve, the protective sleeve comprises a protective inner ring and a deformation layer which are of an integrated structure, the deformation layer is composed of deformation protruding strips which are annularly and uniformly distributed, and the deformation protruding strips are spirally arranged on the periphery of the protective inner ring; the radial section shape of the deformation protruding strip changes continuously. The periphery of the protective sleeve is of a structure that deformation protruding strips which are arranged in an SZ spiral mode are provided with different reflecting surfaces at different positions. If a stealth coating is coated on the outer surface of the deformation protruding strip of the protective sleeve, reflecting surfaces of electromagnetic waves and vibration shock waves with better effects in different directions and areas are formed, and the electromagnetic waves and the vibration shock waves of the detection cable are directionally emitted by a competitor to be dispersed and echo through the reflecting surfaces of the stealth coating on the two sides of the deformation protruding strip. The intensity of reflection echoes of the detection cable is greatly reduced, that is, the effective reflection area of the cable is greatly reduced.
Owner:JIANGSU JULIANG PHOTOELECTRIC TECH CO LTD

Environment-friendly rat-proof and ant-proof intelligent AI early warning cable and production method thereof

PendingCN122000119Aclosely arrangedImprove stabilityPower cables including communication wiresCommunication cablesStructural engineeringNonwoven fabric
The invention discloses an environment-friendly rat-proof and ant-proof intelligent AI early warning cable and a production method thereof, and the cable comprises a central reinforcing core, three control wire cores and three main wire cores are distributed at the outer circumference of the central reinforcing core, and six edge reinforcing cores are filled in gaps at the outer sides of the three control wire cores and the three main wire cores in a saddle shape. A non-woven fabric wrapping layer is arranged outside the control wire cores and the main wire cores, an extruded isolation sleeve is arranged outside the wrapping layer, a steel tape armoring layer is arranged outside the extruded isolation sleeve, an extruded outer sheath is arranged outside the steel tape armoring layer, and a protective layer is arranged outside the extruded outer sheath. The cable has the beneficial effects that the structural stability, bending resistance and tensile resistance of the cable can be improved through design, and monitoring and early warning can be performed on the cable through the optical fiber, so that the service life of the cable is prolonged.
Owner:ZHEJIANG WANMA CO LTD +2

A compression and torsion resistant submarine cable

The application provides a kind of anti-pressure anti-torsion submarine cable, including center support, a plurality of conductor units, a plurality of edge gap supports, optical fiber units, signal transmission units and protective anti-torsion anti-pressure units.The conductor units are arranged around the periphery of the center support, and the edge gap supports are arranged between adjacent conductor units.The optical fiber units and the signal transmission units are respectively embedded in different edge gap supports.The protective anti-torsion anti-pressure units include, from outside to inside, a first protective layer, a first water-blocking layer, a first anti-tension anti-torsion armor layer, a second protective layer, a second anti-tension anti-torsion armor layer, a second water-blocking layer, and a third protective layer.The application realizes surface contact pressure resistance through the center support, realizes anti-torsion through the double armor layer of reverse cross-weaving, isolates electromagnetic interference and provides rigid protection through the independently embedded optical fiber and signal units, and solves the problem of insufficient anti-pressure, anti-torsion, optical and electrical interference, and water-blocking performance of the existing submarine cable by combining the multi-layer continuous water-blocking structure.
Owner:SHANGHAI YAOWEN WIRE & CABLE CO LTD

Energy storage cabinet detection cable with multi-layer protection structure

The utility model discloses an energy storage cabinet detection cable with a multi-layer protection structure, which comprises a main wire core, and an isolation protection structure is arranged on the outer side of the main wire core. The isolation protection structure comprises a first rubber protection layer, a first steel wire protection layer, a fireproof isolation layer, six sub-wire cores, six wrapping layers, an isolation tensile assembly and an outer side protection assembly. The utility model relates to the technical field of cables, in particular to an isolation protection structure, which is characterized in that the main wire cores are firstly protected through the arranged first rubber protection layer and the first steel wire protection layer, the overall tensile strength of the main wire cores is increased, the main wire cores are prevented from being damaged by pulling, and meanwhile the main wire cores are prevented from being damaged by pulling through the arranged isolation tensile assembly. The overall tensile effect of the sub-wire cores and the main wire core can be further improved, mutual isolation of the multiple sub-wire cores and the main wire core is achieved, influences are avoided, finally, the cable is further wrapped and protected through outer protection, and the protection and fireproof isolation effects of the cable are improved.
Owner:ZHENZHOU HENGTIAN COPPER CO LTD

Optical and Electrical Composite Cable for Simultaneous Installation within Pipelines and Processing and Construction Methods Thereof

This application discloses an optical and electrical composite cable designed for simultaneous installation within pipelines, along with its processing and installation methods. By providing a composite cable with a thin wall and compact overall size, it allows the commercially available thin pipelines ranging from 6 mm to 13 mm in diameter to accommodate both optical and electrical cables in a single pass. This design reduces the amount of pipeline material needed and shortens installation time, while broadening the potential applications for these types of pipelines and improving their utilization. Since the optical and electrical composite cable is installed within a pipeline, it does not require self-supporting overhead structure, which simplifies its design. The thinner optical cable is connected to the thicker electrical cable, allowing the electrical cable to provide necessary tensile strength to the optical cable. This simplified approach to tensile strength ensures that the composite cable meets required strength standards despite its smaller size.
Owner:SUMEC MACHINERY & ELECTRIC CO LTD

Communication cable and cooling device for its production

The present application relates to a kind of communication cables, including including core wire and the sheath that is covered outside core wire, it is related to cable technical field, sheath is formed by gradient temperature cooling process, gradient temperature cooling process includes the three stages of high-temperature zone cooling (80 ℃±5 ℃), medium-temperature zone cooling (30 ℃±2 ℃) and low-temperature zone cooling (‑78 ℃±3 ℃) in turn;Sheath material is low-temperature modified material, when using polyvinyl chloride material, the low-temperature embrittlement temperature of polyvinyl chloride material is not less than-48 ℃, when using polyethylene material, polyethylene material still keeps good toughness at-78 ℃;Interface adhesion between core wire and sheath is optimized by gradient temperature control.The gradient cooling mechanism of the present application makes the interface molecular chain between sheath and core wire fully relaxed, and crystallization behavior is controllable, thereby realizes the high uniformity of adhesion on the length of whole cable, and peeling force is accurately controlled in the ideal interval of 0.5-2N / mm.
Owner:SHENZHEN DAWEI INTERNET TECH CO LTD

Manufacturing method of photoelectric composite cable

The invention discloses a manufacturing method of a photoelectric composite cable, and relates to the technical field of cables. The method sequentially comprises the steps of raw material selection pretreatment, conductor back-twist stranding, insulation extrusion, optical fiber unit prefabrication, synchronous back-twist cabling, shielding layer application, double-layer sheath extrusion molding and the like. An on-line optical state monitoring mechanism is introduced in the synchronous back-twist cabling process, a'monitoring-judging-adjusting 'closed-loop control system is constructed by collecting optical fiber light attenuation change data in real time, and automatic linkage adjustment is carried out on key parameters such as optical fiber pay-off tension, back-twist ratio and twisting pitch. In addition, the cable core structure adopts a compression-resistant gasket to realize unit physical isolation, and is matched with a reverse double-layer twisting and partition temperature control extrusion process. According to the method, the problems of signal loss fluctuation and structure instability of the humanoid robot cable under a severe dynamic working condition are effectively solved, and the bending resistance life, the torsion resistance and the manufacturing consistency of a finished product are remarkably improved.
Owner:上海统缆科技有限公司

Online monitoring alarm network system based on lightning protection environment

The invention discloses an online monitoring alarm network system based on a lightning protection environment, and relates to the technical field of lightning protection monitoring, and the system comprises a data collection module which is disposed at an offshore wind power plant and is used for collecting multi-dimensional data including salt mist concentration, wind speed, lightning parameters and lightning protection equipment state parameters; the data processing module is in communication connection with the data acquisition module and is used for receiving, fusing and analyzing the multi-dimensional data, performing scoring calculation by constructing a quantitative scoring model and endowing each dimensional parameter with a weight, and outputting a quantitative risk level according to a total score interval judgment mode; the early warning and linkage module is in communication connection with the data processing module and is used for executing graded early warning and linkage control based on the risk grades; the data processing module is further used for calculating the health state index of the SPD and dynamically predicting the remaining effective life of the SPD based on the health state index and the real-time environment parameters. The system has the functions of self-adaption to environment change and lightning protection monitoring and early warning.
Owner:NINGBO LIGHTNING PROTECTION SAFETY TESTING CO LTD

Optical fiber composite coal cutter rubber jacketed flexible cable for intelligent mine

The utility model belongs to the technical field of cables, and relates to an optical fiber composite coal cutter rubber jacketed flexible cable for intelligent mines, which comprises an aramid rope, a saddle-shaped support is extruded outside the aramid rope, a cable core is arranged at the arc position of the saddle-shaped support, and the cable core comprises three main cable cores, two control cable core groups and an optical fiber unit. The three main wire cores are arranged at the large arc position of the outer side of the saddle-shaped support, the two control wire core sets and the optical fiber unit are arranged at the small arc position of the outer side of the saddle-shaped support, and the two control wire core sets and the optical fiber unit are arranged between the adjacent main wire cores respectively. The cable further comprises a coating layer arranged outside the cable core, and the coating layer sequentially comprises an aramid yarn braid layer and an outer sheath from inside to outside. According to the utility model, each strand of the control wire core conductor of the cable is formed by twisting a plurality of copper wires and aramid yarns, and seven strands of strands are twisted according to a 1 + 6 regular structure, so that the flexibility and tension resistance of the control wire core are improved; the optical fiber unit is arranged in the gap outside the cable, and the service life of the optical fiber can be prolonged.
Owner:JIANGSU ZHONGMEI CABLE

Medical sensor data transfer cables

In an illustrative embodiment, a data transfer cable for transferring sensor data between a sensor device and a medical device includes at least one illumination element configured to provide at least two visual indications visible in a location distal to the connector, each visual indication corresponding to a respective state of the cable or a sensor connected thereto. The cable may include processing circuitry configured to receive, from the medical device responsive to user interaction with a portion of a user interface corresponding to the sensor connected to the cable, an identify signal, and provide a first visual indication for indicating correspondence between the cable and the sensor connected thereto. A second visual indication may provide prompting / feedback to a caregiver while using the sensor device.
Owner:ZOLL MEDICAL CORPORATION

High-impedance differential flexible probe tip

A cable assembly has a connector to receive a signal, a cable connected to the connector, the cable having a length and one or more conductors along at least part of the length to conduct the signal, a magnetic material external to the one or more conductors, and an elastomer material external to the one or more conductors. A cable assembly has a connector to receive a differential signal, a cable connected to the connector having symmetric pair conductors, one or more discrete magnetic components spaced along the length of the cable, and one or more elastomer components next to at least one of the one or more magnetic components. A cable assembly has a connector to receive a differential signal, a cable connected to the connector having symmetric pair conductors, an elastomer material at least partially enclosing the cable, and a magnetic material at least partially enclosing the cable.
Owner:TEKTRONIX INC

Indoor tensile butterfly-shaped photoelectric composite cable

The utility model relates to an indoor tensile butterfly-shaped photoelectric composite cable, which comprises a loose tube type optical unit and two soft copper conductors symmetrically distributed on the left side and the right side of the loose tube type optical unit, the loose tube type optical unit comprises a PBT loose tube, two or four optical fibers are arranged in the PBT loose tube, and gaps are filled with fiber paste at the same time. The sectional area of each soft copper conductor is 0.5 mm2 to 1.5 mm2, a crosslinked polyethylene insulating layer is extruded outside each soft copper conductor, and the thickness of the crosslinked polyethylene insulating layer is 0.5 mm-0. 6mm. A layer of low-smoke halogen-free flame-retardant polyolefin sheath finished product is extruded outside the optical fiber unit and the insulated soft copper conductors. The cross section of the low-smoke halogen-free flame-retardant polyolefin sheath is butterfly-shaped, and the thickness of the low-smoke halogen-free flame-retardant polyolefin sheath is 0.6-0.7 mm. The photoelectric composite cable integrates the power wire core and the optical unit, the product size is reduced, the tensile property of the photoelectric composite cable is improved, and the service life of the photoelectric composite cable is prolonged.
Owner:ZHU ZHOU SHEN TONG DIAN XIN SHI YE YOU XIAN ZE REN GONG SI

Reinforced signal transmission cable

The utility model belongs to the technical field of cables, and particularly relates to a reinforced signal transmission cable, which comprises a core body formed by twisting a plurality of thin conductors, and further comprises a reinforcing rib twisted between two adjacent thin conductors at the periphery of the core body, and the reinforcing rib comprises an aramid fiber belt and a fluoroplastic belt; it can be understood that the reinforcing ribs are formed by spirally winding the aramid fiber tapes and the fluoroplastic tapes, and are tightly distributed in gaps between the adjacent conductors in a spiral embedding manner, so that the cable is endowed with excellent tensile and anti-torsion characteristics while the structure is compact; the shielding sleeve with a three-layer composite shielding structure is adopted, so that the overall mechanical strength is synchronously improved on the basis of enhancing the electromagnetic shielding effectiveness; and the outer sheath is structurally reinforced by adding short fibers in the middle layer, and is matched with grooves designed in the surface of the outer layer to form a three-dimensional heat dissipation channel, so that the heat dissipation effect is remarkably improved while the mechanical stability is ensured.
Owner:ANHUI HONGYUAN SPECIAL CABLE CO LTD

Telephone communication cable for coal mine

PendingCN122025242AClimate change adaptationInsulated cablesStructural engineeringTelephone communication
The invention relates to the technical field of cables, and discloses a coal mine telephone communication cable, which comprises a reinforcing core, a buffer structure, a cable inner core structure, a lining layer, an armor layer and an outer sheath, and is characterized in that the buffer structure is arranged outside the reinforcing core, the cable inner core structure is arranged at a gap of the buffer structure, the lining layer is arranged outside the buffer structure, and the armor layer is arranged in the outer sheath. The armor layer is arranged outside the lining layer, and the outer sheath is arranged outside the armor layer; the buffer structure is additionally arranged, common underground radial extrusion and impact pressure are converted into axial dispersion force through pressure transmission and direction conversion, plastic deformation of the cable inner core structure caused by local overload is avoided from the source, the blank that the prior art lacks a buffer pressure reduction function is filled, continuity of signal transmission is guaranteed, and the service life of the cable is prolonged. The sectionally spliced armor ring design breaks the defect that a traditional integrated armor layer is locally damaged, namely the whole armor layer is scrapped, only the corresponding armor ring needs to be replaced when the armor layer is locally damaged, and the maintenance cost and the downtime are greatly reduced.
Owner:HEBEI KEAN CABLE CO LTD

Communication cable production process and communication cable

The invention provides a communication cable production process and a communication cable. The communication cable production process comprises the following steps: C1, processing an inner core; c2, coating a glass fiber layer: taking a plurality of inner cores and twisting to form an original wire, and weaving a glass fiber wire on the outer side of the original wire to form the glass fiber layer; c3, aluminum foil layer coating: coating the outer side of the glass fiber layer with aluminum foil to form an aluminum foil layer; c4, heat conduction layer coating: winding a heat conduction strip on the outer side of the aluminum foil layer, and winding a honeycomb-shaped heat dissipation strip on the outer side of the heat conduction strip to form a heat conduction layer; and C5, coating with a sheath layer: winding a sheath strip on the outer side of the heat conduction layer to form the sheath layer. According to the communication cable, heat generated in the communication cable can be uniformly radiated to the outside through the aluminum foil layer, the heat conduction strip layer, the honeycomb-shaped heat dissipation strip layer and the heat conduction silica gel layer in sequence, so that electric energy loss caused by heat loss of a load of the communication cable and a fire leakage phenomenon caused by overheat of the load of the communication cable are prevented; the load usability, flame retardance and safety of the cable are effectively ensured, and the use qualified rate and safety of the communication cable are achieved.
Owner:FUJIAN GUOWEI ELECTRONIC TECH CO LTD