1017results about "Communication cables" patented technology

The invention relates to an indoor mobile service robot interaction task execution method and device, a storage medium and an indoor mobile service robot system. The method comprises the following steps: acquiring original visual data and original spatial data, respectively processing the original visual data and the original spatial data, acquiring an original audio signal, and converting the original audio signal into a text signal to obtain a dynamic interactive input instruction; analyzing the dynamic interaction input instruction by utilizing a preset large language model to obtain a meta-action sequence corresponding to the to-be-processed task; according to the meta-action sequence, executing each meta-action in the to-be-processed task in sequence, and scheduling the corresponding processed visual data and spatial data when each meta-action is executed; when the execution result of the meta-action is confirmed, the current task execution state is broadcasted through voice, and task interaction is completed. Compared with the prior art, the method has the advantages of complex and wide task processing, high dynamic adaptability, natural interaction, high task execution success rate of an indoor service scene and the like.

The invention discloses an optical cable capable of being remotely inspected and a preparation method and application thereof, and belongs to the technical field of optical cable preparation, the optical cable comprises an optical unit, an electric unit and an outer sheath, the optical unit is arranged in a containing space of the outer sheath, the electric unit is connected with the outer sheath, the arrangement direction of the electric unit is parallel to the axis of the outer sheath, and the optical cable is arranged in the containing space. And the positive excess length of the electrical unit relative to the outer sheath is 0.05%-0.8%. According to the optical cable capable of being remotely inspected, when the optical cable is coated with ice, the electric unit and the outer sheath are synchronously stretched, the electric unit cannot be stretched and thinned due to the existence of the positive excess length, after the stretched length of the outer sheath makes up the excess length of the electric unit, the electric unit is stretched along with the outer sheath, and the increase of wave impedance of the electric unit can be detected through a TDR detection technology; an optical cable maintainer can maintain the optical cable in advance when the wave impedance of the electric unit is increased, the ice on the surface of the optical cable is removed, and the problem of cable breakage caused by continuous accumulation of ice and snow is avoided.

The invention discloses an intelligent early-warning cable system, and the system comprises a magnesium oxide mineral insulated fireproof cable which is composed of a conductor, two hollow seamless round copper pipes, two transmission optical fiber units, a magnesium oxide powder insulating layer, and a sheath. The DAS is connected to the single-mode transmission optical fiber unit to detect vibration information of the magnesium oxide mineral insulated fireproof cable; the DTS distributed temperature sensor is connected to the multimode transmission optical fiber unit to detect the temperature information of the magnesium oxide mineral insulated fireproof cable; the data analysis module is connected to the DAS distributed sonic sensor and the DTS distributed temperature sensor, and determines a risk according to the vibration information detected by the DAS distributed sonic sensor and the temperature information detected by the DTS distributed temperature sensor; and the data early warning module is connected to the data analysis module and executes corresponding early warning measures according to the risk condition determined by the data analysis module. According to the intelligent early warning cable system, the intelligent early warning function of the rigid fireproof cable can be realized.

Provided in the present application are a multi-core submarine cable and a manufacturing device therefor. The multi-core submarine cable comprises: power cables, the power cables each comprising electric units for electric conduction and an optical unit for communication; buffering and heat insulation structural units, wherein the buffering and heat insulation structural units each comprise a braided rope and a first protective sleeve, the first protective sleeve being extruded on the outer side of the braided rope; and auxiliary metal units, wherein the auxiliary metal units each comprise a metal pipe and a second protective sleeve, the second protective sleeve being extruded on the outer side of the metal pipe; the cross sections of the power cables and the buffering and heat insulation structural units are all circular; the diameters of the cross sections of the power cables are equal to the diameters of the cross sections of the buffering and heat insulation structural units; and the buffering and heat insulation structural units, the auxiliary metal units and at least two of the power cables are stranded to form cable cores of the multi-core submarine cable. The present application can improve the stability and reliability of the submarine cable and reduce the production cost of the submarine cable.

The invention discloses a wrapping machine for photoelectric hybrid cable production, and relates to the technical field of wrapping devices.The wrapping machine is characterized in that a wire inlet frame is arranged on one side of a base, a wire inlet hole for wire inlet is formed in the wire inlet frame, a wire guiding frame is installed in the middle of the base, a wire guiding pipe is arranged on the wire guiding frame, and a wire winding frame is arranged at the other end, away from the wire guiding frame, of the base; the wire inlet frame is provided with a wrapping disc, a worm is connected to a center shaft of the wrapping disc, a wire leading pipe is arranged at the center shaft of the wrapping disc, a plurality of fixing plates are arranged on the wrapping disc in an annular array mode, worm wheels are rotationally connected into the fixing plates, a connecting plate is arranged on one side of each worm wheel, a wrapping cylinder is connected to the end, away from the corresponding worm wheel, of each connecting plate, and the wrapping cylinders are rotationally connected with the connecting plates; the device solves the problems that in the prior art, threaded holes are inconvenient to fix, the wrapping angle is inconvenient to adjust, a wrapping tape cannot be wound according to a fixed angle, different threaded holes need to be formed for angle adjustment, the time cost is large, and the overall photoelectric hybrid cable wrapping efficiency is affected.

An aerial lighting system includes: two or more unmanned aerial vehicles (UAVs) each including a corresponding high-powered LED array arranged to illuminate an area beneath the UAVs when the UAVs are airborne; a base station configured to retain the UAVs when not airborne, wherein the base station includes a controller for controlling the UAVs; and a plurality of cables for transferring power and data, including: (i) a first cable detachably coupled between the base station and a first UAV, wherein the first UAV receives power from the base station and communicates with the controller via the first cable, and (ii) a second cable detachably coupled between the first UAV and a second UAV, wherein the second UAV receives power from the base station and communicates with the controller via the second cable.

A magnetic data cable is disclosed, including cable body and a data interface connected to both ends of the cable body. The cable body includes a cored wire group and an external protective layer wrapped outside of the cored wire group, a flexible magnetic strip is provided in the outer protective layer, and the flexible magnetic strip is located alongside of the cored wire group and extends parallel to the cored wire group. It is convenient to adjust diameter of the coil after the data cable has been coiled so as to facilitate storing of the data cable, and it is easy to operate.

A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The feedthrough includes a ceramic body having a flexible non-ferrous conductor adhered to its outer peripheral surface and to an inner peripheral surface of an aperture through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and protrudes from at least one side thereof. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the aperture and the non-ferrous conductor adhered to the surface of the aperture. The RF feedthrough can be assembled in an opening of a conductive housing to form an electromagnetically shielded package for an electrical circuit.

The utility model relates to the technical field of submarine cable production, and discloses a water-tree-resistant cross-linked polyethylene insulated optical fiber composite wet-type submarine cable, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned on the inner side of the main body mechanism, and the main body mechanism comprises a water-blocking conductor, a conductor shield and an insulating layer. According to the water-tree-resistant cross-linked polyethylene insulated optical fiber composite wet-type submarine cable and the production equipment, through installation of a main body mechanism, the elongation of copper monofilaments is controlled to be 30-35%, the resistivity is smaller than or equal to 0.017241 omega.mm / m, a layer of semi-conductive seawater-resistant water-blocking tape is longitudinally wrapped between every two layers of conductors, a layer of water-blocking yarn is bound outside the water-blocking tape, and the water-tree-resistant cross-linked polyethylene insulated optical fiber composite wet-type submarine cable is formed. The outer layer of the stranded conductor is wrapped by a layer of reverse semi-conductive water-blocking binding tape and a layer of semi-conductive tetoron tape, the water-blocking layer of the semi-conductive water-blocking binding tape faces the conductor, the overlapping positions of the two layers of semi-conductive tapes are not overlapped at the same position, the semi-conductive tapes are required to be flatly wrapped and uniformly overlapped, the overlapping rate is controlled to be 20-35%, and the insulating layer is made of an XLPE insulating material and has the thickness of 24.0 mm.

The utility model discloses an intelligent early warning cable, which comprises a power line insulation wire core arranged in a first belting layer, the power line insulation wire core comprises a conductor and an insulation layer coated outside the conductor, and a temperature measuring element is arranged in the conductor; an armor layer is arranged outside the first belting layer, and a vibration measuring element is arranged in the armor layer; and an isolating layer is arranged between the first belting layer and the armor layer. The temperature measuring element with the temperature measuring function is arranged on the outermost layer of the conductor, so that the temperature of the cable conductor can be monitored more accurately; the vibration measurement element with the vibration measurement function is arranged in the armor layer, and the isolation layer is arranged between the first belting layer and the armor layer, so that an electromagnetic field generated by the cable in the first belting layer under the conditions of high voltage and large current can be isolated, and the problem that the electromagnetic field interferes optical signal transmission in the vibration optical fiber is avoided; the vibration signal can be accurately detected, and the detection accuracy is prevented from being influenced by deviation.

The utility model relates to the technical field of signal transmission cables, and discloses a novel insulation co-extrusion double-coaxial high-speed data transmission cable, which comprises conductors, an insulation layer, a shielding layer and a sheath layer, and is characterized in that the two conductors are parallel to each other and are arranged at an interval; the insulating layer is uniformly and tightly wrapped on the outer sides of the two conductors, is a polytetrafluoroethylene insulating layer, and is simultaneously extruded at one time, so that the insulating layer is pushed and wrapped on the outer sides of the two conductors; the shielding layer comprises a first shielding layer and a second shielding layer, the first shielding layer wraps the outer ring of the insulating layer, and the second shielding layer wraps the outer ring of the first shielding layer; the sheath layer wraps the outer ring of the second shielding layer and is used for fixing and shielding protection. The two conductors are stranded bare copper, tinned copper wires or silver-plated copper wires. The cable has more reliable mechanical and physical stability, is more beneficial to coupling of an electromagnetic field, can reduce capacitance impedance, has lower time delay difference, and improves signal transmission speed and quality.

The invention provides a corrosion-resistant composite cable and a preparation method thereof, the corrosion-resistant composite cable comprises a signal unit, an optical cable unit and a protection unit, the signal unit and the optical cable unit are coated with the protection unit, the signal unit comprises a silver-plated copper conductor, an insulating layer, a shielding layer and a sheath layer, and the silver-plated copper conductor is coated with the insulating layer. The optical cable unit comprises an optical fiber, a buffer tube and a filler; the protection unit comprises an inner sheath, a tensile layer, an anti-corrosion layer and an outer sheath. The corrosion-resistant composite cable has good corrosion resistance, can effectively resist corrosion of various chemical substances, prolongs the service life of the cable, reduces the fault risk caused by corrosion, and improves the stability and reliability of power transmission or signal transmission; under severe environment conditions, such as high humidity, high salinity and high alkalinity, a normal working state can still be kept, continuous and stable support is provided for related equipment or systems, and normal operation of the equipment or systems is guaranteed.

The invention relates to the technical field of power transmission and cable monitoring cables, in particular to an anti-interference optical fiber monitoring cross-linked cable and a forming and manufacturing method, and the cable sequentially comprises a cable core layer, a monitoring function layer, an electromagnetic shielding layer, an insulation protection layer and an outer protection layer from inside to outside; the monitoring function layer is tightly wound on the outer surface of the cable core layer in a spiral shape, the electromagnetic shielding layer is located between the monitoring function layer and the insulation protection layer, the electromagnetic shielding layer is of a multi-layer structure, the inner layer of the electromagnetic shielding layer is a permalloy belt, and the outer layer of the electromagnetic shielding layer is a tinned copper woven mesh. And a plurality of rat-proof and ant-proof composite layers are arranged on the outer side wall of the outer protective layer at intervals along the length direction of the outer protective layer. The monitoring function layer is spirally and tightly wound on the outer surface of the cable core layer, the design enables the optical fiber and the cable core layer to be tightly attached, it is ensured that the temperature change and mechanical deformation of the cable core layer can be rapidly transmitted to the optical fiber, and the problem of monitoring lag caused by gaps in a traditional loose tube structure is solved.

A twin-axial cable including a first conductor; a first dielectric material surrounding the first conductor; a second conductor; a second dielectric material surrounding the second conductor; a first wedge; a second wedge positioned opposite to the first wedge; and a conductive shield surrounding the first conductor, the first dielectric material, the second conductor, the second dielectric material, the first wedge, and the second wedge, wherein at least a portion of the first wedge is positioned between the first dielectric material and the second dielectric material at a first region of the twin-axial cable, wherein at least a portion of the second wedge is positioned between the first dielectric material and the second dielectric material at a second region of the twin-axial cable opposite to the first region of the twin-axial cable.

The invention discloses a photoelectric composite aluminum alloy conductor aerospace cable and a preparation method, and belongs to the technical field of photoelectric composite cables, the cable comprises an optical fiber unit, a conductor unit, an insulating layer, an anti-electromagnetic unit and a sheath layer; the anti-electromagnetic unit is obtained by weaving double-layer metallized polyimide fibers; the double-layer metallized polyimide fiber sequentially comprises a polyimide fiber, a first metal coating and a second metal coating from inside to outside. The surface of the polyimide fiber is coated with modified polydopamine; the first metal coating is copper; and the second metal coating is silver and / or nickel. The double-layer metal coating can form a more compact metal outer layer on the surface of the polyimide fiber, the requirements of the severe external environment of aerospace are met, a conductive network with higher stability is formed, and the electromagnetic shielding effect is remarkably improved. Moreover, the polyimide fiber is coated with a polydopamine coating, so that the fiber is not damaged, and the overall high and low temperature resistance and radiation resistance can be improved.

The invention relates to a 10-gigabit photoelectric composite cable for communication. The 10-gigabit photoelectric composite cable comprises a first coating station, a second coating station and a performance testing station which are sequentially arranged in the cable transmission direction. The first coating station is provided with a first protection mechanism used for installing the armor on the inner layer of the composite cable. The second coating station is provided with a second protection mechanism used for installing and fixing water absorption particles. The performance test station is provided with a detection mechanism used for cooling the cable and detecting the integrity of the outer layer of the composite cable. By arranging the first protection mechanism and the second protection mechanism, the technical problems that the cable armor layer is prone to dislocation and the damaged position cannot be quickly found after the cable is damaged are solved.

Disclosed is a non-steel high strength data transmission cable having a strength member (5) and a core (1). The high strength data transmission cable includes a length of a core-cable (10), the length of core-cable (10) includes core (1) plus at least one fiber-optic conductor (2) that is:(i) disposed in a helical shape; and(ii) completely encased in a solid, flexible material.Also disclosed is a process for making a high strength data transmission cable. The high strength data transmission cable is capable of being wound on a winch under tensions and surging shocks experienced by a fishing trawler, and provides high quality data signal transmission and resolution so as to permit use for transmitting data during fish trawl operation from high-resolution sonars used to monitor fish caught.

The cable structure includes two signal cores / wires arranged adjacent to each other and parallelly along the cable with a designed first spacing, an internal insulation layer surrounding the signal cores / wires and having a dielectric coefficient that forms an impedance value for the signal cores / wires, a metal shielding layer surrounding the internal insulation layer and spaced from the signal cores / wires by a designed second spacing, and an outer covering layer surrounding the metal shielding layer. By adjusting and changing the designed first spacing between two signal cores / wires or the designed second spacing between two signal cores / wires and the metal shielding layer, the impedance value of the cable can be modified and designed to achieve the purpose of stably transmitting signals.

The invention relates to the technical field of photoelectric composite cables, in particular to a cold-resistant tensile photoelectric composite cable and a rapid laying method thereof, and the cable comprises a conductor part, an insulating layer, an optical fiber unit, a filling layer and an outer sheath which are coaxially arranged from inside to outside and are sequentially wrapped. The conductor part is formed by twisting a plurality of strands of copper wires, a carbon fiber reinforced core is arranged in the conductor part, and the insulating layer is made of EAA and PEBA blending modified materials and contains nano boron nitride particles; the optical fiber unit is of a PBT loose tube structure, a plurality of single-mode optical fibers and special ointment are arranged in the PBT loose tube structure, micro-nano protrusions are arranged on the inner wall of a loose tube, and the surface of each micro-nano protrusion is covered with a silicon dioxide antireflection film. The cable integrates the functions of cold resistance, stretch resistance, electric conduction, insulation, communication, heat dissipation and protection. The insulating layer adopts EAA and PEBA blending modified materials to be combined with nano boron nitride particles, so that the cold resistance and the insulativity are improved; and the polyurethane elastomer of the filling layer is compounded with the glass beads, so that the structural stability and the comprehensive performance are enhanced.

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).

A photoelectric composite cable for an underwater buoy, and a preparation process therefor. A polyurethane, a self-repairing polyurethane prepolymer, and a composite nano zinc oxide are selected as an outer sheath base material. A modified polysiloxane having a B-O six-membered ring dynamic cross-linked network and a long-chain alkane group and an amino is introduced into the self-repairing polyurethane prepolymer; 5,5'-methylenedisalicylaldehyde and isophorone diisocyanate are together subjected to stepwise polymerization with the modified polysiloxane, and the 5,5'-methylenedisalicylaldehyde is cross-linked with diphenylmethane diisocyanate to obtain a self-repairing polyurethane prepolymer; and nano zinc oxide is subjected to a modification treatment, wherein dodecyltrimethoxysilane and 3-glycidoxypropyltrimethoxysilane are used for dual modification, such that super-hydrophobic nano zinc oxide having good thermal stability and high dispersity is prepared in a toluene system.

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.

Disclosed in the present disclosure are a connector assembly made of a novel shielding material and a vehicle. The novel connector assembly includes an electric connection skeleton and connectors connected to two ends of the electric connection skeleton, in which each of the connectors internally includes a connection terminal and an inner shell with shielding effectiveness, the two ends of the electric connection skeleton are electrically connected to connection terminals, respectively, an outer periphery of the electric connection skeleton is coated with an insulating layer, the insulating layer internally includes conductive particles in a radial direction, and at least one location of the conductive particles is distributed in the insulating layer in a density-unevenness manner. According to the novel connector assembly made of the shielding material of the present disclosure, the conductive particles are included in the insulating layer to replace a braided shielding net, so that the use of equipment for braiding the shielding net is reduced, the occupied area is small, the processing cost of the cables is reduced, and the production cost of the connector is reduced.

The invention relates to a photoelectric composite cable suitable for an unmanned aerial vehicle platform, which comprises a wrapping layer formed by wrapping a covering film, an accommodating space is formed in the wrapping layer, a two-core electric unit and a one-core single-mode optical fiber are respectively placed in the accommodating space, and a plurality of aramid fibers are distributed in the accommodating space and are filled to form a cable; an insulating layer is distributed on the electric unit, an outer wrapping layer is distributed on the single-mode optical fiber, and the insulating layer, the outer wrapping layer and the covering film are all made of high-temperature-resistant fluoroplastic formed by ethylene-tetrafluoroethylene copolymer; the thickness of the covering film is 0.05 mm, and the total thickness after wrapping is 0.10 mm + / -0.02 mm; the outer diameter of the photoelectric composite cable is 2.2 mm + / -0.1 mm, and the total weight per meter is smaller than or equal to 12 g. Therefore, the whole photoelectric composite cable has better high temperature resistance, can meet high tensile strength under the condition of light weight, can realize low-loss signal transmission, and has better heat dissipation effect.

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 a high-flame-retardant zero-dripping low-smoke halogen-free photoelectric composite cable for ships and maritime work platforms. The high-flame-retardant zero-dripping low-smoke halogen-free photoelectric composite cable sequentially comprises an electric unit, at least one optical fiber unit, an inner protective layer, an armor layer and an outer protective layer from inside to outside. The outer surface of the electric unit, the outer surface of the optical fiber unit, the inner protective layer and the outer protective layer are all prepared from a flame-retardant sheath material; the flame-retardant sheath material comprises the following components in percentage by mass: 15-35% of EVA (Ethylene Vinyl Acetate); 1%-10% of EPD M; 1% to 10% of LDPE; 1% to 10% of HDPE; 1%-10% of a compatilizer; 0.1%-0.5% of an antioxidant; 20%-50% of an inorganic flame retardant; 5%-10% of a charring agent; the charring agent is prepared by mixing montmorillonite, red phosphorus and melamine cyanurate according to a ratio of 2: 1: 1. The photoelectric composite cable designed by the invention has the characteristics of high flame retardance, low smoke and zero dripping during combustion, no halogen, UV resistance, hydrolysis resistance and the like.

The present invention relates to a communication line. The communication line according to an embodiment of the present invention includes a shielding portion including a shielding having a hollow tubular shape, a core portion including a dielectric core that is located inside the shielding portion and extends in a longitudinal direction, and one rib that is located between the shielding portion and the core portion and connects the shielding portion and the core portion.

The embodiment of the invention provides a signal cable, a signal monitoring system and a signal monitoring method. The signal cable comprises a plurality of conductors, a plurality of insulators, an optical fiber sensing layer, a pressure-resistant buffer layer, a shielding layer and an outer sheath layer, wherein each conductor is wrapped with one insulator, and the plurality of insulators are included in the optical fiber sensing layer; a first single-mode optical fiber, a second single-mode optical fiber and a multimode optical fiber are arranged in the optical fiber sensing layer, and the first single-mode optical fiber, the second single-mode optical fiber and the multimode optical fiber are circumferentially arranged in the optical fiber sensing layer; the compression-resistant buffer layer is wrapped on the optical fiber sensing layer, the shielding layer is wrapped on the compression-resistant buffer layer, and the outer sheath layer is wrapped on the shielding layer. Through cooperation and distributed sensing of multiple optical fibers in the optical fiber sensing layer, the transmission precision and distance of cable signals are effectively improved, and the safety and reliability are improved.