48 results about "Shielded cable" patented technology

This utility model relates to the field of novel power battery pack technology, specifically to a wireless display system for power batteries. It includes a power battery pack, a housing, and a display screen. The power battery pack contains a power distribution unit for collecting battery status data. The housing has a built-in wireless module that connects to the power distribution unit via a wiring harness to achieve wireless data transmission. The display screen communicates wirelessly with the wireless module and has a built-in independent power supply unit to ensure that key parameters can still be displayed even when power is off. This utility model solves the problems of easy breakage and signal instability in traditional wired connections in dynamic scenarios through wireless transmission technology. Simultaneously, the use of partition isolation and shielded cable design effectively reduces electromagnetic interference and improves data acquisition accuracy. It is suitable for scenarios requiring real-time battery status monitoring, such as new energy vehicles and construction machinery, and can significantly improve the safety and stability of power battery monitoring.

This utility model discloses a high-performance shielded cable front connector, belonging to the technical field of cable front connectors. It includes a T-shaped lower housing with a T-shaped upper housing at its upper end. The lower housing has a through groove, and the upper housing has a front connector body on one side. This utility model, through a front connector connection and fixing mechanism, ensures a secure connection between the front connector body and the upper housing. The mechanism includes a connecting ear, a locking block, a fixing component, and a sealing ring. The locking block engages with a groove on the ear plate, and the fixing component utilizes a limiting plate and a spring to quickly fix and release the front connector body. This design not only improves installation and disassembly efficiency but also enhances the sealing performance of the front connector through the cooperation of the sealing ring and the sealing groove, preventing external moisture and dust from entering and ensuring the stability and reliability of signal transmission.

Accessories of a medical device, such as a defibrillator, are described. The accessories reduce delays in treating or monitoring a patient by increasing the efficiency of using, and the ease of use of, the medical device. An adjustable kickstand is movable between a collapsed and extended position to recline the medical device. In the reclined position, a display of the medical device can be more easily viewed by the user. Storage bags can be coupled to the medical device to efficiently store accessories for use with the medical device. The stored accessories can be coupled to the medical device while the accessories are stored within the storage bags. A port guard can protect and shield a connection between a cable and a port of the medical device to prevent the cable (e.g., an ECG cable) from being disconnected from the port of the medical device.

Power electronic device (11) comprising a semiconductor switch (15) and a sensor module (1) which is in thermal contact with the semiconductor switch (15) and has at least one measuring transmitter (2), wherein the sensor module (1) has at least one interference suppression element (3) for reducing interference signals, wherein the sensor module (1) has an input contact (6) and an output contact (7), wherein the measuring transmitter (2) and the interference suppression element (3) are arranged in a parallel circuit (8), wherein the parallel circuit (8) is electrically connected on the one hand to the input contact (6) and on the other hand to the output contact (7), wherein the input contact (6) and the output contact (7) are each designed as an unshielded cable (9).

This invention discloses a simulation-based method and system for handling electromagnetic interference in motor controllers, belonging to the field of electromagnetic compatibility testing and simulation technology. By constructing a test environment structural model including a test bench, artificial power network, shielded cables, current probes, the motor controller body, and the motor load using an electromagnetic simulation platform, electromagnetic field simulation calculations are performed to extract structural parasitic parameters and convert them into an equivalent circuit model. The equivalent circuit model is integrated into the main circuit simulation model to form a field-circuit coupled simulation model, and preliminary conducted emission simulation results are obtained. A current probe model is established, and the transfer impedance calibration factor is calculated. The preliminary simulation results are coupled and calibrated to obtain high-precision conducted emission simulation results. Based on the calibrated simulation results, the suppression effects of different interference suppression schemes are configured and evaluated, and the optimal suppression scheme is selected. The proposed scheme significantly improves the simulation accuracy of the conducted emission current method.

This invention discloses a flame-retardant high-shield cable material and its preparation method, relating to the field of cable material technology. The cable material, by weight, comprises a matrix resin, silicone oil-modified aminated multi-walled carbon nanotubes, a composite flame-retardant system, a composite shielding system, a coupling agent, a lubricant, an antioxidant, a flame-retardant and smoke-suppressing synergist, and octavinyl cage-like polysilsesquioxane, among other raw materials. The matrix resin is a compound of ethylene-octene copolymer, POE-g-MAH, and polyborosilazane. The composite flame-retardant system and the composite shielding system synergistically enhance each other's effects. The preparation method involves mixing the raw materials, then melt-blending, granulating, and drying them using a twin-screw extruder to obtain the finished product. This cable material possesses both high flame-retardant and high shielding properties, solving the problem of single cable materials being unable to simultaneously achieve both flame-retardant and shielding performance. It is suitable for various cable applications with high requirements for shielding and flame retardancy, and has strong practicality.

This invention provides an electromagnetic interference-resistant shielded cable, relating to the field of cable technology. It includes two adjacent cable outer sheath assemblies, an internal protective filling layer, multiple cable assemblies, a heat dissipation and flow assembly, a shielding and limiting assembly, and a cable connection assembly. This invention uses cross-linked polyethylene as the insulation material to ensure the cable's insulation performance. The heat dissipation and flow assembly allows for a through-structure within the cable, enabling sufficient flow of liquids and gases for effective heat dissipation and reducing internal heat. The hollow design significantly reduces overall weight, making it easier to use and transport. Furthermore, the first metal shielding layer isolates the cable from the external environment, and the connection between the second metal shielding layer and the arc-shaped plug-in shielding layer achieves shielding between adjacent cable assemblies, ensuring the cable's performance.

The application relates to a structure design method of a marine charging and discharging device, which comprises the following steps: (1) installing input and output filters in the marine charging and discharging device, wherein the filter shell is grounded, the input and output ends of the filter adopt shielded cables, the shielding layer is grounded, and electromagnetic interference is inhibited by means of grounding, filtering and shielding; (2) selecting a fan type by calculating heat loss; and (3) after the fan type is determined, carrying out thermal simulation verification and test verification on the marine charging and discharging device. The method can meet the index requirements of electromagnetic compatibility and solve the heat dissipation requirement without improving the opening rate.

67 Abstract An aspect of the present disclosure is directed to a connector. The connector is suited to connectorizing exactly two conductors. The connector includes a forward connector body, a rear connector body, a metal frame and exactly two electrical contacts. The rear connector body interfaces with the forward connector body. Further, the metal frame, which includes a shielding interface, surrounds at least a portion of both the forward and rear connector bodies. The electrical contacts extend from the rear connector body into the forward connector body. A first of the electrical contacts is electrically coupled to a first conductor of a shielded cable and the second of the electrical contacts is electrically coupled to a second conductor of the shielded cable. The shield interface of the metal frame is electrically coupled to the shield of the shielded cable. Abstract An aspect of the present disclosure is directed to a connector. The connector is suited to connectorizing exactly two conductors. The connector includes a forward connector body, a rear connector body, a metal frame and exactly two electrical contacts. The rear connector body interfaces with the forward connector body. Further, the metal frame, which includes a shielding interface, surrounds at least a portion of both the forward and rear connector bodies. The electrical contacts extend from the rear connector body into the forward connector body. A first of the electrical contacts is electrically coupled to a first conductor of a shielded cable and the second of the electrical contacts is electrically coupled to a second conductor of the shielded cable. The shield interface of the metal frame is electrically coupled to the shield of the shielded cable. 67 20 24 21 93 62 04 S ep 2 02 4 A b s t r a c t 2 0 2 4 2 1 9 3 6 2 0 4 S e p 2 0 2 4 f o r w a r d a n d r e a r c o n n e c t o r b o d i e s . T h e e l e c t r i c a l c o n t a c t s e x t e n d f r o m t h e r e a r c o n n e c t o r 6 7

This invention discloses a dedicated device and method for remote monitoring of induced voltage in steel structure bridges. The device includes: front-end measuring points, a signal access unit, a data acquisition and processing unit, an abnormal event discrimination unit, and a local buffer unit. The monitoring method includes the following steps: setting steel structure measuring points on the steel structure bridge body and ground measuring points on the surrounding ground; connecting the measuring points to the data acquisition and processing unit via double-shielded cables; performing point-to-point differential sampling on each measurement channel; obtaining the second-level effective value for each channel; acquiring the contact voltage trend and the step voltage trend; calculating the historical sliding median value; and determining an abnormal event when the current second-level effective value deviates from the historical sliding median value by more than a preset threshold. This invention enables long-term, stable, and continuous monitoring of the induced voltage difference between the steel structure bridge body and the surrounding ground without relying on automatic zero-potential determination.

The utility model discloses a shielding cable clamping assembly relates to cable clamping assembly technical field. A shielding cable clamping assembly, including bottom plate, still include: base, fixedly connected on the bottom plate, wherein, both sides of the top of base are equipped with the slot, the top of base is equipped with the inverted U shape board, and both ends of inverted U shape board are respectively connected in two slots through buckle structure, parallel component sets up two sides at bottom plate for connecting two bottom plates of adjacent position, the utility model discloses can complete the fixing work of cable fast, indirectly has promoted the construction efficiency of worker to cable, and can realize the synchronous fixing work of two bottom plates, and then make the fixing efficiency of cable higher, and two cables of adjacent position will be more neat.

The utility model relates to low -voltage cable technical field, concretely is a kind of three-layer coextrusion insulated shielded cable, including cable body, cable body includes cable conductor, inner shield layer, insulating layer, outer shield layer, semi-conductive water-blocking tape, copper wire shield layer, copper band wrapping layer, non-conductive water-blocking tape, CPP soft wrapping tape and outer protective layer, inner shield layer is coated in the surface of cable conductor, insulating layer is coated in the surface of inner shield layer, outer shield layer is coated in the surface of insulating layer;With the surface of inner shield layer tightly coated in cable conductor, smooth cable conductor surface burr, uniform cable conductor and insulating layer interface electric field, outer shield layer protects insulating layer, reduces electromagnetic interference to outward spread, inner and outer shield layer synergistic effect, make electric field distribution homogenization, reduce insulating layer breakdown risk, enhance electromagnetic shielding efficiency, reduce partial discharge and aging, improve cable service life.

The utility model belongs to the field of car, concretely relates to a new energy vehicle exhaust system structure noise test and objective evaluation device. Noise testing device includes data acquisition system, vibration sensor, microphone, force hammer, test platform and shielded cable connection line, noise objective evaluation device, including data processing unit, matrix operation unit, sound pressure superposition unit and evaluation unit. The utility model has the advantages of simple test equipment, wider test range, more robust test data and more real test results.

Provided is an ultrasonic endoscope having, at a distal end portion, an ultrasonic transducer array in which a plurality of ultrasonic transducers are arranged; a shield cable having a plurality of signal lines and a plurality of shield members made of metal disposed outside the signal lines; a wiring portion having a plurality of connection portions that respectively electrically connect the plurality of signal lines to the plurality of ultrasonic transducers; a ground line portion that is electrically connected to the plurality of shield members and has thermal conductivity; a sheet-shaped first thermal conductive member disposed on a side surface of the ultrasonic transducer array; and a second thermal conductive member that thermally connects the first thermal conductive member to the ground line portion. Thus, an ultrasonic endoscope that can improve the accuracy of diagnosis in ultrasonic diagnosis is provided.

Portable interaction and control system for industrial safety applications, including: - a basic structure portable to the hand area of ​​an operator (1), - at least one sensor device (2) arranged in or on the basic structure (1), - a processing unit (4) arranged on the back of the hand or in the area of ​​the wrist and fixed in a position stable relative to the hand axis, wherein - the sensor device (2) is connected to the processing unit (4) via a shielded multi-core electrical cable (3), - the processing unit (4) comprises an electronic evaluation unit for local preprocessing of the sensor signals, - and the processing unit (4) can be connected to an external robot controller via an electromagnetically shielded wired interface (5), characterized in that - the shielded electrical cable (3) and the shielded interface (5) are designed to reduce electromagnetic interference in industrial production environments, - and the interaction system can be combined as a modular carrying element with different types of industrial protective gloves.

Electrical cable (10) for an automation system (15) and method for repairing the electrical cable (10), wherein the electrical cable (10) has a contact device (20) and a shield cable (25) with a shield conductor (50), wherein the contact device (20) has at least one shield sleeve (100) and a crimp sleeve (105), wherein the shield sleeve (100) has a crimp section (240) extending circumferentially about an axis (35) and a shield contact spring arrangement (280) arranged axially offset with respect to the axis (35) from the crimp section (240) with at least one first shield contact spring (290), wherein the crimp section (240) is connected to the shield contact spring arrangement (280) and has a crimping surface (270) and a receiving groove (275) arranged in the crimping surface (270) on an outer circumferential side (250) of the shield sleeve.wherein the crimp sleeve (105) is crimped onto the crimping surface (270) of the crimping section (240) of the shielding sleeve (100), and the shield conductor (50) is thus arranged radially between the crimp sleeve (105) and the shield contact spring assembly (280) of the shielding sleeve (100), wherein the shield contact spring assembly (280) is pre-tensioned and presses the shield conductor (50) against a sleeve contact surface (395) on an inner sleeve circumferential side (385), wherein the receiving groove (275) and the crimp sleeve (105) form a tool receiving space (485).

The present invention achieves a reduction in height.　This shielded cable (10) for high-speed differential communication is used as a transmission path of a high-speed differential communication circuit, and comprises: a plurality of shielded wires (11) in which conductors (12) are surrounded by shield layers (14); and sheets (20) that hold the plurality of shielded wires (11) in a parallel state. When the direction intersecting the parallel direction of the plurality of shielded wires (11) is defined as the height direction, the overall height of the shielded cable (10) is the sum of the outer diameter of the shielded wires (11) and the thickness dimension of the sheets (20). Since there is no dead space above and below the shielded wires (11), it is possible to reduce the height of the shielded wires (11).

The utility model provides a kind of polarization adaptive channel receiving system miniaturization integrated device, belong to channel receiving device technical field, including multiple modules integrated in a cabinet, including phase shift synthesis network, multiple frequency converters, tracking receiver, local oscillator module, test upconverter and time-frequency unit;High-frequency line between modules uses shielded cable, and low-frequency line between modules uses twisted pair wire.The utility model has the advantages of improving system performance and reducing system volume and integrated cost.

This utility model relates to the field of cable connector technology and discloses a quick-connect shielded cable connector for mining applications, including a cable one and a cable two. The ends of cable one and cable two are respectively provided with interface two and interface one. Both cable one and cable two are fitted with sleeves on their outer circumferences. Threaded tube one and threaded tube two are respectively threadedly connected to the outer circumferences of the two sleeves. An outer ring one is fixedly connected to the outer circumference of threaded tube one, and an outer ring two is fixedly connected to the outer circumference of threaded tube two. A connecting rod is fixedly connected to the middle of outer ring one. In this utility model, while interface two is inserted into interface one, a pressing push plate slides on the outer circumference of the connecting rod and inserts the push plate into the middle of outer ring two. After releasing the push plate, under the push of compression spring two, the push plate drives the insertion rod to insert into the middle of outer ring two. This improves the stability of the connection and allows for quick separation of cable one and cable two through compression and pulling.

This application discloses a wired-to-wireless dual-mode switching intracranial pressure monitoring system and method, belonging to the field of medical monitoring equipment. It includes an intracranial pressure monitoring probe for collecting intracranial pressure data and converting it into electrical signals; a data buffer module for temporarily storing data during mode switching; a dual-mode switching module for intelligent switching between wired and wireless connection modes; a medical shielded cable for data transmission in wired mode; a wireless communication module for data transmission in wireless mode; a monitor host for receiving and processing data; and a power management module for managing system power supply and charging the built-in battery in wired mode. The dual-mode switching module can respond to manual commands or automatically detect conditions such as electromagnetic interference, cable status, and battery level to trigger mode switching. This system can automatically select the optimal connection method according to environmental conditions, ensuring the continuity and reliability of intracranial pressure monitoring, and is suitable for medical scenarios such as neurosurgical intensive care.

A cable assembly (10) is provided, comprising a primary biaxial cable (200) including a first conductor (202) and a second conductor (204). The primary biaxial cable includes a primary insulator (210) holding the first and second conductors of the primary biaxial cable. Exposed portions (206, 208) of the first and second conductors of the primary biaxial cable protrude from the primary insulator. The primary biaxial cable includes a primary cable shield surrounding the primary insulator to provide shielding for the first and second conductors of the primary biaxial cable. The cable assembly includes a secondary biaxial cable (300) including a first conductor (302) and a second conductor (304). A connector (100) is disposed between the primary biaxial cable and the secondary biaxial cable to electrically connect the first and second conductors of the primary biaxial cable to the first and second conductors of the secondary biaxial cable.

This invention discloses a foolproof metal shielded cable waterproof connector, comprising a connector body, a flat nut on the outer side of one end of the connector body, a fixing ring and a connecting ring on the outer side of the connector body, a square sealing groove on one end face of the connecting ring, an elliptical sealing ring in the square sealing groove, a foolproof shielding ring in the inner hole of the connector body, a bending spring clip claw on the inner ring of the foolproof shielding ring, a conductive contact boss on the outer ring of the foolproof shielding ring, an abutment block on one end of the inner side of the foolproof shielding ring, a bending limiting step between two adjacent bending spring clip claws, a sealing bushing on the top of the foolproof shielding ring, and a round nut on the outer side of the other end of the connector body, a tightening sleeve on the outer side of both the round nut and the flat nut, and a push groove on the inner side of both the round nut and the flat nut. This invention achieves a high-performance foolproof effect with anti-reverse installation of the shielding ring, controllable tightening of the nut, strong end face sealing adaptability, excellent salt spray corrosion resistance, and threaded connection locking to prevent loosening.

This utility model relates to the field of electromagnetic shielding cable technology, and more particularly to an electromagnetic shielding cable that solves the problems of poor electromagnetic shielding effect and inconvenience in fixing cables together in the prior art. An electromagnetic shielding cable includes several conductors, each conductor covered with a plastic sleeve. A shielding layer is fitted between the conductors, and a metal mesh layer is fitted on the surface of the shielding layer. A protective layer is fitted on the surface of the metal mesh layer, and a grounding wire is provided between the shielding layer and the metal mesh layer. A limiting mechanism is provided on the surface of the protective layer. This utility model enhances the shielding effect, resulting in better electromagnetic shielding of the cable. It provides a strong and secure fixing effect on the cable, effectively clamping the cable and preventing slippage, facilitating the fixing of cables together for use.

This invention discloses a highly flexible, low-smoke, halogen-free insulated shielded cable and its preparation method. The conductor is manufactured using a layered staggered stranding process and filled with flexible fiber bundles, combined with low-temperature annealing under inert gas protection, which eliminates the internal stress of stranding and enhances the bending resistance of the conductor core. The insulation material uses a multi-resin compound as the matrix, and the composite flame retardant is surface modified and a compound toughening agent is added to optimize the compatibility between the flame retardant and the matrix, avoiding material embrittlement. The three-layer co-extruded insulation layer structure further improves the flexibility and buffering performance of the insulation part. The composite shielding structure, which combines aluminum-plastic composite tape wrapping with tin-plated ultrafine copper wire double oblique braiding, ensures effective shielding against external electromagnetic interference and guarantees signal transmission quality. Furthermore, the application of flexible adhesive and the filling of flame-retardant sealant alleviate the problem of increased rigidity caused by high-density shielding.

This invention discloses a high-precision method for measuring borehole angles. The borehole angle measuring device includes a trolley (1), an AHD signal video module (3), a high-precision angle sensor (4), a programmable logic controller (5), a touch-screen industrial control all-in-one machine (6), a video display (7), a multi-core high-flexibility shielded cable (8), a winding reel (9), a meter counter (10), an assembly box (11), a portable energy storage power supply (12), and a terminal block (13). The AHD signal video module (3) is installed at the head of the trolley (1), and the high-precision angle sensor (4) is installed at the tail of the trolley (1). The multi-core high-flexibility shielded cable (8) passes through the meter counter (10) and is wound on the winding reel (9). The AHD signal video module (3) displays video images on the video display (7) through the multi-core high-flexibility shielded cable (8), automatically generates a borehole measurement deviation report, adjusts blasting parameters, reduces the rate of large blasting blocks, and reduces the foundation of open-pit blasting.

According to the present invention, a transmission disturbance is suppressed.　This shielded cable (10) for high-speed differential communication is used as a transmission path of a high-speed differential communication circuit, and comprises: two non-shielded-type covered electric wires (12) routed in parallel; and a conductive shielding member (15) disposed between the two covered electric wires (12). Although the covered electric wires (12) themselves do not have a shielding function, since the conductive shielding member (15) is disposed between the two covered electric wires (12), a transmission disturbance between the two covered electric wires (12) is suppressed.

This invention discloses an intelligent diagnostic method and system for grounding current of GIS shielded cables, belonging to the field of power equipment condition protection technology. This method achieves early and accurate identification and graded warning of abnormal states by real-time acquisition of grounding current and operating parameters, combined with a dynamic benchmark model and unsupervised machine learning algorithms. Its core lies in its ability to automatically generate an anti-maloperation signal and send it to the differential protection device when the abnormality is determined to originate from the external circuit of the cable shielded cable. This allows for blocking or delaying protection action in the absence of internal faults, effectively preventing false tripping. This invention solves the problems of high false alarm rate and inability to distinguish fault sources in traditional fixed threshold monitoring methods, significantly improving the accuracy of condition monitoring and the safety of main equipment operation.

This invention relates to an adaptive parallel electrode fixture and its method of use for measuring the dielectric constant of thin films. The fixture includes a coaxial shielded cable, a movable metal rod, a metal rod lifting assembly, a ball bearing assembly, an adaptive swing assembly, a circular adapter plate, a suspension assembly, a measuring electrode component, and a high-voltage electrode. The ball bearing assembly comprises multiple nested ball bearings that can rotate under external force. The adaptive swing assembly includes multiple suspension crossbars, each symmetrically connected to the outermost ball bearing and extending towards the same side of the ball bearing. Each suspension crossbar has a swing rod connected to its end away from the ball bearing, allowing it to swing under gravity. These swing rods are symmetrically mounted along the diameter of the circular adapter plate, which is connected to the measuring electrode component via the suspension assembly. The high-voltage electrode is mounted on a worktable. Compared to existing technologies, this invention ensures the parallelism of the electrode fixture and reduces interference from air gaps and environmental factors.

This utility model discloses a salt spray resistant and aging-resistant marine shielded cable, comprising a cable core composed of multiple strands of wire twisted together; halogen-free high flame-retardant rope filling the gaps in the cable core; a graphene composite thermoplastic semi-conductive shielding layer covering the cable core; a fluororubber inner anti-salt spray layer outside the graphene composite thermoplastic semi-conductive shielding layer; a nano-insulating water-blocking tape wrapped around the fluororubber inner anti-salt spray layer; a galvanized steel wire braided armor layer outside the nano-insulating water-blocking tape; an outer anti-salt spray coating outside the galvanized steel wire braided armor layer; a high-temperature resistant aluminum silicate fiber tape outside the outer anti-salt spray coating; and a polytetrafluoroethylene propylene outer sheath extruded outside the high-temperature resistant aluminum silicate fiber tape. Through this multi-layered composite structure design, the cable's insulation, corrosion resistance, aging resistance, and mechanical protection capabilities in salt spray, humidity, and strong vibration environments are improved, while also enhancing electromagnetic shielding and ensuring the stable operation of the ship's electrical system.

Suppress transmission interference. [Solution] The shielded cable 10 for high-speed differential communication is a shielded cable 10 used as a transmission path for a high-speed differential communication circuit, and comprises two unshielded insulated wires 12 arranged in parallel, and a conductive shielding member 15 placed between the two insulated wires 12. The insulated wires 12 themselves do not have a shielding function, but because the conductive shielding member 15 is placed between the two insulated wires 12, transmission interference between the two insulated wires 12 is suppressed.