56 results about "Cable design" patented technology

The invention relates to the technical field of multi-objective optimization, in particular to a cable electrical performance simulation design method and system based on multi-objective optimization. The method comprises the steps of constructing a low-fidelity model and a high-fidelity model, fusing and evaluating features based on feature sensitivity, and performing staged evaluation by using a non-dominated sorting genetic algorithm. According to the method, exploration is accelerated by using a low-fidelity model at an optimized initial algebra, and hierarchical non-dominated sorting and high-fidelity evaluation refinement solution sets are applied in a convergence stage. Meanwhile, a constraint dominating principle and a dynamic penalty function are integrated, and it is ensured that the generated Pareto optimal solution set is strictly located in a feasible region. The efficiency bottleneck between high-precision simulation and optimization iteration is effectively solved, and the optimization efficiency of complex cable design and the reliability of a final scheme are remarkably improved.

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.

The on-orbit reusable spiral cable operated by the astronaut comprises a linear section with protection, a spiral section with protection and a free section, the protection linear segment and the protection spiral segment are both in a structural form of a traditional cable and an outer sheath, and the outer sheath is made of an anti-radiation and atomic oxygen prevention material. The protection spiral section is in a spiral winding shape and is in a compressed state, and the length of the cable can be adaptively changed according to scenes; the free section is of a traditional cable structure and is free of an outer sheath. The cable design comprises length and structure design, astronaut man-machine ergonomics design, signal safety design, space environment adaptability design and long service life design, and the use requirements that a space station load is installed by an astronaut and the load goes out of and returns to a cabin can be met.

The invention provides a visual guiding method and system suitable for aerospace cable assembly installation, and the method comprises the steps: S1, collecting a cable design file, and generating structural data corresponding to each contact; s2, generating a contact layout diagram of the electric connector according to the structured data, and highlighting target contacts needing to be welded currently according to the contact layout diagram and a preset welding sequence; s3, judging whether a confirmation signal that welding of the target contact is completed is received or not in real time, if yes, highlighting the next to-be-welded contact, and executing the step S2 again until the task is finished; and if not, not processing. The method is high in mistake proofing performance, and the probability of mistaken welding and welding omission is greatly reduced in the mode that only one point is displayed at a time.

This application provides a method for optimizing the fire resistance design of cables in energy storage systems, comprising: obtaining flame propagation data from cable bundle laying by simulating a high-temperature thermal shock environment and collecting protective layer collaborative performance indicators to obtain initial fire resistance performance evaluation results; extracting conductor exposure risk-related features from the optimized layer structure design scheme, using a random forest algorithm to analyze potential short-circuit fire paths, and obtaining a risk prediction model; collecting multi-point fire source test feedback from the enhanced fire barrier configuration to determine the flame propagation suppression effect, and obtaining verified cable fire resistance performance indicators; deriving emergency time improvement paths from the final collaborative protection deployment scheme and obtaining actual energy storage system integration data to determine the overall fire barrier morphological stability, and obtaining complete cable design output.

The invention relates to a marine safe harbor-returning cable which sequentially comprises a conductor, a fireproof layer, an insulating layer, a heat insulation layer, a shielding layer and a sheath layer from inside to outside. Each fireproof layer is formed by compositely wrapping a mica tape and a glass fiber tape on the surface of the conductor, the number of the fireproof layers is three, and the wrapping directions of every two adjacent layers are different; the fireproof layer is attached to the surface of the conductor through an adhesive, and the adhesive is composed of, by mass, 48%-52% of organic silicon resin, 28%-32% of ceramic zinc borate, 14%-16% of nano silicon dioxide and 4%-6% of a platinum catalyst. The cable designed by the invention can maintain the line integrity for more than 180 minutes under the composite working conditions of flame and vibration spraying at 830 DEG C, and is suitable for key loops of a cruise ship electric propulsion system, emergency lighting, fire-fighting equipment and the like.

The invention provides an optical cable design intelligent drawing system and method based on fusion of multi-source acquisition data. Through combination of the large model processing layer and the core function layer, automatic analysis, association and compliance detection of the multi-source collection data are realized, the work of manually completing verification and compliance detection of the multi-source collection data in the prior art is replaced, and the manual workload is greatly reduced, so that the multi-source collection data verification and compliance detection can be realized in a complex scene, and the multi-source collection data verification and compliance detection efficiency is improved. Automatic processing can be completed based on the combination of the large model processing layer and the core function layer of the system, and the technical effect of improving the completion efficiency and precision is generated due to the reduction of the manual workload.

Embodiments of the present application disclose a cable line topology map generation system and method based on a cable design map, the method comprising: when a node position point of an abnormal cable monitoring node reported and associated laying cable identification and node position identification are received, acquiring a cable path design map of a laying cable where the abnormal cable monitoring node is located according to the laying cable identification, determining an identification position point of the abnormal cable monitoring node in the cable path design map according to the node position identification, determining topology map range information based on the node position point, the identification position point and a preset range, determining cable line information based on the identification position point and the cable path design map, and generating a cable line topology map of the laying cable based on the topology map range information and the cable line information. The scheme generates a cable line topology map based on analysis results of abnormal node reported information, can automatically generate a regional cable line topology map when a cable is abnormal, and is more intelligent and more accurate in line path.

The invention relates to the technical field of stay cable tensioning, in particular to an intelligent tensioning detection method and system for a stay cable of a cable-stayed cradle, and the method comprises the steps: obtaining preset design parameters and control parameters, obtaining the elevation data of the front end of the cradle and the pressure data collected by a pressure sensor arranged at the bottom of a jack, correcting the elevation data, and determining the tension of the stay cable of the cradle. Converting the pressure data into cable force data, correcting the cable force data, acquiring elevation deviation according to the elevation data and the main beam design elevation, and acquiring cable force deviation according to the cable force data and the stay cable design cable force; a first elevation adjustment instruction is obtained according to the elevation deviation and an elevation allowable deviation threshold value, the first elevation adjustment instruction is used for instructing the hanging basket to be adjusted to a preset elevation, a first tension adjustment instruction is obtained according to the cable force deviation and a cable force allowable deviation threshold value, and the first tension adjustment instruction is used for instructing a cable jack to adjust tension of a cable. Real-time monitoring of the elevation and the cable force and gradient adjustment of the cable force are achieved.

The application relates to a ground current harmonic component interference identification method, which comprises the following steps: a differential circuit is designed based on a cable without defects; the differential circuit is used for defect detection of a cable sample loop; and an output signal of the differential circuit is a harmonic component signal caused by defects after elimination of power supply side harmonic interference. The application constructs a power distribution cable sample loop defect harmonic component detection loop suitable for elimination of power supply side harmonics in a laboratory, can eliminate the influence of power supply side harmonics introduced by a power supply and a through core transformer loop on the power distribution cable sample defect harmonic component detection in the laboratory, and improves the analysis efficiency of test detection data.

The invention discloses a ship cable path optimization and protection system in an extremely low temperature environment, and belongs to the technical field of ship electrical system design. According to the module, space, environment and cost data are integrated through a 3D platform API interface; a length-cost-reliability three-dimensional weighted optimization algorithm is adopted, and an optimal scheme with the highest comprehensive score and the reliability greater than or equal to 99% is calculated and output through index standardization quantification; and on the basis of a platform secondary development annotation plug-in, production end bracket type selection, laying verification and cost accounting links are directly connected. According to the method, the accurate corresponding relation of temperature partition-protection measures is established, and adaptation of protection strength and environmental risks is achieved; the time consumed in the whole path planning process is shortened to 1-2 days, the production rework rate is reduced from 15% to 2% or below, and the protection cost is reduced by 80%-100% compared with the protection cost of a path with a high outdoor proportion; and a reliable cable design solution is provided for high-end ships such as high-latitude nuclear-related maritime work ships and the like.

The invention discloses a high-fiber-core-density air-blowing micro-cable and a preparation method thereof, and belongs to the technical field of optical cable design, the high-fiber-core-density air-blowing micro-cable comprises a cable core and a sheath, optical fiber sleeves are arranged to be flexible sleeves, so that the multiple flexible sleeves can be extruded and deformed mutually, the utilization rate of the internal space of the cable core is improved, the optical fiber density is higher, and the optical fiber density is higher. The transmission capacity of the formed optical cable is larger, the outer protective layer is cooled and shaped through vacuum sizing to ensure the roundness of the appearance of the optical cable and facilitate the air-blowing construction of the air-blowing micro cable, and the machinable wall thickness of vacuum sizing becomes smaller and the size of the formed optical cable is smaller by setting the material of the outer protective layer as a high-melt-strength material. Or the armor layer is arranged between the cable core and the outer protective layer, and the armor layer is bonded with the outer protective layer, so that the strength of the outer protective layer is improved, the outer protective layer is not easy to crack after being subjected to vacuum sizing after extrusion molding, and the overall strength and rigidity of the optical cable are further improved.

This utility model relates to the field of cable technology, specifically to a cable designed to prevent damage. The cable employs a multi-layered composite protective structure, comprising, from the inside out: a conductor, a conductor insulation layer, a conductor shielding layer, a cabling filling layer, a wrapping layer, an inner sheath, a waterproof layer, an inner lining layer, an armor layer, an outer lining layer, a corrugated buffer layer, a fire-retardant layer, and an outer sheath. Each functional layer forms a tightly integrated protective system through specific connection methods. The conductor insulation layer ensures electrical insulation performance, the conductor shielding layer provides electromagnetic shielding and water resistance, the corrugated buffer layer absorbs external impacts through a special structure, and the fire-retardant layer forms a high-temperature protective barrier. By optimizing the material selection and structural design of each layer, this utility model enables the cable to maintain excellent conductivity while also providing multiple protective functions such as waterproofing, fire resistance, and impact resistance. The synergistic effect of each layer effectively improves the reliability and service life of the cable under complex operating conditions.

The invention relates to the technical field of treadmills, and provides a treadmill with a wireless control component, which comprises a treadmill component, a handrail component and a control component, the handrail component is connected to the treadmill component, and the treadmill component is provided with a running belt and a driving system used for driving the running belt; the control part is connected to the handrail part and comprises a box body, and a battery module or a battery cabin used for installing a battery is arranged in the box body; the control component or / and the armrest component is / are provided with a control module used for wirelessly controlling the driving system. According to the treadmill with the wireless control part, the stand column main body can adopt a cable-free design, and the control part is convenient to maintain and upgrade.

The invention provides a soft and hard combined cable based on segmented functionalization and a manufacturing method thereof, and relates to the technical field of cable design. The cable is provided with a conductor, an insulating layer and a sheath from inside to outside. A lining layer and an armor layer are arranged between the insulating layer and the sheath from inside to outside in a set length range, and the end part of the armor layer is provided with a conical buffer part of which the large end faces the armor layer; and the outer side of the buffer part is coated with a fixing layer. According to the invention, a single structure mode of'full-soft 'or'full-hard' of a traditional cable is broken through, and soft and hard segment partition customization is realized on a single cable. The cable uses the conductor with high flexibility and low hardness, so that the cable is easy to bend and convenient to lay and install; and the armor layer is additionally arranged in the area susceptible to mechanical damage, so that the cable is not easy to damage.

The application discloses a Ku / Ka dual-frequency shared automatic portable communication antenna and belongs to the technical field of antennas, which comprises a feed source, an antenna reflecting surface, a microwave network, an antenna seat frame, a supporting leg and the like. The application adopts a Ku / Ka integrated feed source, a microwave network and an antenna reflecting surface, and frequency band switching is realized through a dial lever type frequency band switching switch, so that the operation is simple and efficient. The high-precision split antenna surface is adopted, the split surface panels have high consistency, the panel interchanging can be realized, the positioning is realized through a pressing plate, the lock catch is locked, and the rapid assembly can be realized. The antenna seat frame adopts a novel integrated transmission mechanism, the transmission mechanism has the characteristics of small size and light weight, space is left out to realize the integrated design of the antenna seat frame and a terminal, and the antenna appearance design implements the industrial design concept and the hidden cable design, and the modeling is beautiful.

The utility model relates to power system signal transmission technical field, and disclose a kind of energy storage DB26 signal lead-out cable design, including cable body, the left side of the cable body is provided with plastic integrated black shell, the left side of the plastic integrated black shell is provided with male connector, the right side of the cable body is provided with terminal body.The energy storage DB26 signal lead-out cable design, by adopting the cable body with shielding layer, effectively enhanced communication anti-interference ability, can guarantee signal stable, accurate transmission under complex working condition, ensure that energy storage system each module communication is smooth, improve system operating efficiency, by adopting the standardized male connector, clear identification terminal and reasonable structure design, the integrated control of signal is realized, when maintaining, can be according to pin definition fast positioning fault, reduce wiring error risk, operation is more safe and convenient, greatly reduce maintenance difficulty and workload.

A system and method for automated seat-to-seat routing in an aircraft is disclosed. The system may include a user interface configured to receive user input data and a controller communicatively coupled to the user interface. The system may be configured to acquire a set of requirements corresponding to an aircraft seat cable design environment, acquire boundary coordinates defining a limited space for generating cable routings, acquire two or more nominal length routings for different cables, generate a set of overlength routings for each cable, output the overlength routings for user selection, acquire a selected cable routing for each cable, and update the aircraft seat cable design environment based on the selected cable routings.

Antenna system, comprehensive: a chamber shielded against electromagnetic waves; a loop-shaped transmitting antenna consisting of a metallic wire and arranged in the chamber shielded against electromagnetic waves such that a loop surface of the loop-shaped transmitting antenna faces a ground plane; a feed cable designed to feed an AM broadcast signal; wherein a feed wire of the feed cable is connected to the transmitting antenna and a ground wire of the feed cable is connected to the ground plane.

Device (200) for discharging thick material, comprising: - at least two independent electrical machine connections (201, 202, 203, 204) designed for connecting at least two separate cables (101, 102, 103, 104) of a connection system (100), - wherein the connection system (100) is provided for connecting the device (200) for discharging thick material to a multi-phase electrical supply network (300) and comprises: - a first cable (101) and - at least one second cable (102, 103, 104) designed independently of the first cable (101), - wherein the first cable (101) is intended to electrically connect the device (200) for discharging thick material to a first phase (L1) of the multi-phase electrical supply network (300) and not to electrically connect it to a second phase (L2) of the multi-phase electrical supply network (300), and - wherein the second cable (102) is intended to electrically connect the device (200) for discharging thick material to the second phase (L2) of the multi-phase electrical supply network (300) independently of the first cable (101) and not to the first phase (L1) of the multi-phase electrical supply network (300).

The invention relates to the technical field of new energy automobile flexible cable design, and discloses a new energy automobile split flexible flat cable structure design method comprising the following steps: collecting working condition characteristics, obtaining working environment structure parameters and high and low voltage electrical parameters, and converting the parameters into product structure constraints; according to the assembly interference boundary constraint, the copper wire strand splitting position is calculated and determined through a confrontation model, the insulating material is cut off along the center position of the selected copper wire, and the cable is split into multiple strands of local cables in the width direction; one surface of the flexible flat cable is defined as a selected surface, when two ends of the selected surface are folded reversely, the selected surface is defined as a mountain fold, and when two ends of the selected surface are folded oppositely, the selected surface is defined as a valley fold. The new energy automobile split flexible flat cable structure design method aims at solving the problems that in the prior art, a flexible flat cable cannot meet assembly interference constraint due to the fact that the width is too large in a narrow space, the lengths of multiple strands of cables after being split cannot be accurately aligned, and cooperative control over the space attitude is difficult.

An optical fiber cable includes a hollow-core optical fiber. The cable is configured to have a low excess fiber length (EFL) of the hollow-core fiber. The cable is further configured to maintain a high minimum bending radius of the hollow-core fiber to prevent permanent damage to the hollow-core fiber during installation and operation of the cable.

The utility model discloses a cable backboard whole cabinet server and a cabinet management module for electronic transaction, and relates to the field of computer hardware infrastructure. The cable backboard whole machine cabinet server comprises a machine cabinet body, and a cable backboard is fixedly arranged on one side of the machine cabinet body. According to the invention, the switch unit, the server node unit, the RMC unit and the power supply unit are integrated into one cabinet server, and the units are rapidly connected through the cable backboard. The technical problems that in the prior art, the number of management board interfaces of the whole cabinet server is large, and signal attenuation is too large are effectively solved, and then the technical effects that the system design complexity in the whole cabinet server is reduced, and the cost and risk during operation of the cabinet server are reduced are achieved. Meanwhile, through the network design between the cabinet management module and the computing nodes, the cable design in the cabinet is simplified, and the risk of mutual influence of data in the data transmission process is reduced.

The invention discloses a switching cable design system for aircraft testing, which is characterized in that a terminal module design module receives a topological relation corresponding to a terminal module design area selected by a user and an input connector, screens the connector as a terminal module according to a connector conduction relation, and generates a wiring scheme; the connector grouping module classifies the remaining connectors into a plurality of connector clusters, then the connector clusters are matched to the nearest wiring window, and finally the connector clusters are classified into equipment clusters by using a double-stage greedy algorithm under the capacity and distance double limitation; the test box layout design module calculates the total board card number required by each wiring window, and designs the number of required test boxes and the distribution of the test boxes on a horizontal plane; and the switching cable design module receives the adjustment of the test box by a user, and outputs the matching relationship between the connectors and the test box and the length of the switching cable corresponding to the single connector. According to the invention, a design scheme of the adapter cable for airplane testing can be quickly provided, and the design efficiency and quality are remarkably improved.

The invention discloses a Ku / Ka dual-frequency shared automatic portable communication antenna, which belongs to the technical field of antennas and comprises a feed source, an antenna reflecting surface, a microwave network, an antenna seat frame, supporting legs and the like. According to the invention, the Ku / Ka integrated feed source, the microwave network and the antenna reflecting surface are adopted, frequency band switching is carried out through the deflector rod type frequency band switching switch, and the operation is simple and efficient; a high-precision split antenna surface is adopted, split panels are high in consistency, the panels can be exchanged, and quick assembly can be realized through positioning of a pressing plate and locking of a lock catch; the antenna seat frame adopts a novel integrated transmission mechanism, and the transmission mechanism has the characteristics of small size and light weight, so that space is reserved to realize the integrated design of the antenna seat frame and the terminal; the antenna appearance design implements the industrial design concept, the cable design is hidden, and the appearance is attractive.

This application provides a method and apparatus for determining the load on the cable of a floating photovoltaic platform. The method acquires the motion acceleration data of the floating photovoltaic platform at the target cable guide hole under target waves; based on the traditional catenary micro-segment equilibrium equation, an equivalent inertial load term determined by the motion acceleration data is introduced to construct a modified catenary equilibrium differential equation; the modified catenary equilibrium differential equation is numerically solved, and combined with preset mooring system boundary conditions, the horizontal and vertical tensions at the target cable guide hole are obtained; the horizontal and vertical tensions are then determined as the design load of the floating photovoltaic platform cable. This method solves the key technical problem that the traditional quasi-static catenary method cannot accurately account for the platform's wave dynamic response, leading to an underestimation of the cable design load.

The application relates to the technical field of ship power engineering, and relates to a lightweight high-temperature superconducting direct-current power transmission cable design method for an electric ship power supply system, which is characterized by comprising the following steps: step S1, material system optimization design; step S2, layered structure topology optimization: the cable is designed as a four-layer concentric topology structure, and the cable is coaxial along a geometric center line of the cable and sequentially comprises a center cooling channel layer, a superconducting transmission layer, an electromagnetic shielding layer and an external protection layer from inside to outside; step S3, lightweight cooling system integrated design; step S4, dynamic load adaptability reinforced design; and step S5, modular manufacturing and installation process design. The method has the characteristics of remarkable lightweight effect, excellent transmission performance and strong environmental adaptability.

The invention relates to the technical field of robots, in particular to a foot type robot single-leg structure and a cable design method. The single-leg structure of the foot type robot comprises a thigh and a shank, wherein the thigh comprises a thigh shell, and a rotating bearing, a winding bearing, a cable and a cable box which are arranged in the thigh shell; the thighs and the shanks are rotationally connected through the rotating bearings; the wire box is fixed at the top end of the thigh shell, the rotating bearing is fixed at the bottom end of the thigh shell, and the winding bearing is fixed in the wire box; the cable comprises a thermoplastic cable part and a flexible cable part, the thermoplastic cable part is arranged on the winding bearing in a sleeving manner in a spring shape, the diameter of each circle of the spring shape is equal, and the flexible cable part passes through the interior of the thigh shell, bypasses the rotating bearing and extends into the shank; and the thermoplastic cable part deforms in a stressed state, and recovers after being stressed. The technical problem existing in the prior art that the cable is pulled through an elastic device is solved.

The application provides a flexible printed board cable layout method for a micro-satellite platform, which comprises: arranging a trace in a three-dimensional model of the satellite to electrically interconnect each single machine on the satellite platform at a low frequency; confirming the trace and length information of the flexible printed board cable; and the following points need to be followed when arranging the flexible printed board cable assembly: the power line and the signal line are arranged separately in the same path, the flexible printed board cable of the whole satellite is designed to provide cable paths for each single machine of the whole satellite, and reliable transmission of power and signals is ensured; reliable grounding of the whole satellite is ensured to optimize the trace of the flexible printed board cable; when the cable wiring needs to be bent, the bending radius requirement of the cable is met to optimize the trace of the flexible printed board cable; and the connection between the single machines is as short as possible, and the current of the whole satellite does not form a large loop to optimize the trace of the flexible printed board cable.