29results about "Quad constructions" patented technology

The invention provides a network cable with a dehumidification function. The network cable comprises an outer protective layer, a central shaft and a plurality of sliding assemblies, the outer protective layer is provided with an accommodating cavity; the central shaft is rotatably arranged in the accommodating cavity; the multiple sliding assemblies are arranged between the outer protective layer and the center shaft, each sliding assembly comprises a sliding frame, a wire core and an elastic structure, the sliding frame can slide in the radial direction of the center shaft, and the wire core is arranged in a wire cavity formed in the sliding frame; the elastic structure is clamped between the sliding frame and the outer protective layer, is connected to the outer protective layer and is provided with an air channel, the sliding frame is provided with a micropore, and the micropore is communicated with the air channel and the wire cavity; when the center shaft rotates, the center shaft can abut against the sliding frame to move in the radial direction of the center shaft so that the elastic structure can elastically deform, and the air channel can be opened or closed based on the elastic deformation of the elastic structure.

The invention provides a network cable with a dehumidification function. The network cable comprises an outer protection layer, a central shaft, a plurality of supports and a plurality of sliding assemblies. The central shaft is rotatably arranged in the accommodating cavity of the outer protective layer; a movable cavity for containing the sliding assembly is formed between any two adjacent supports, the sliding assembly comprises a sliding frame, a wire core and an opening and closing structure, the sliding frame is arranged in the movable cavity in a sliding mode, the sliding frame is provided with a first air hole communicated with the wire cavity, and a first air cavity is formed between the opening and closing structure and the outer protective layer. A second air cavity communicated with the first air hole can be formed between the opening and closing structure and the sliding frame; a supporting cavity is formed between any adjacent support and sliding frame, the support is provided with a second air hole, the second air hole is communicated with the supporting cavity and the second air cavity, and the center shaft can abut against the sliding frame to slide in the radial direction of the center shaft when rotating so that the sliding frame can control on-off of air channels of the first air cavity and the second air cavity.

The invention provides a network cable with a dehumidification function. The network cable comprises an outer protective layer, a central shaft and a plurality of sliding assemblies, an accommodating cavity is formed in the outer protective layer; the central shaft is rotatably arranged in the accommodating cavity; the multiple sliding assemblies are arranged between the outer protection layer and the center shaft, each sliding assembly comprises a sliding frame, a wire core and an opening and closing structure, the sliding frames can slide in the radial direction of the center shaft, and air holes communicated with the wire cavities are formed in the ends, close to the outer protection layer, of the sliding frames; the opening and closing structure and the outer protective layer are arranged at intervals, a first air cavity is formed between the opening and closing structure and the outer protective layer, when the center shaft rotates, the center shaft can abut against the sliding frame to slide in the radial direction of the center shaft, and the sliding frame can control the opening and closing structure to open or close the air hole based on the sliding action of the sliding frame.

The present invention relates to an Ethernet cable for vehicles that is based on Low Voltage Differential Signal (LVDS) and enables large-capacity data communication and high-speed transmission required by vehicle network systems, minimizes the overall outer diameter and weight, and has excellent vibration resistance and electrical properties.

The present disclosure relates to an Ethernet cable for a vehicle, which enables large-capacity data communication and high-speed transmission, required in a network system for a vehicle, on the basis of low voltage differential signaling (LVDS), minimizes the overall outer diameter and weight, and has excellent durability against vibration and excellent electrical characteristics.

The present invention relates to an Ethernet cable for a vehicle, which enables large-capacity data communication and high-speed transmission, required in a network system for a vehicle, on the basis of low voltage differential signaling (LVDS), minimizes the overall outer diameter and weight, and has excellent durability against vibration and excellent electrical characteristics.

A multi-core cable includes a core formed of four insulated wires twisted together, a shield layer, and a jacket. The four insulated wires are constituted by two first wires and two second wires. An outside diameter of each of the first wires is larger than an outside diameter of each of the second wires. In a cross-section of the core perpendicular to a longitudinal direction thereof, a center of each of the first wires is positioned on a first diagonal line of a quadrangular shape formed by a line connecting centers of the four insulated wires, and a center of each of the second wires is positioned on a second diagonal line of the quadrangular shape. The first wires are in contact with each other, and in contact with the second wires adjacent to the first wires.

The present disclosure relates to a composite cable for a vehicle and a composite cable assembly, which are capable of simultaneously providing a communication function and power to an electronic parking brake (EPB) and an anti-lock brake system (ABS) for use in a vehicle, and maximizing electromagnetic compatibility (EMC) shielding performance between internal components or external cables.

The present invention discloses a quad-coaxial cable for aerospace, including a cable core and a shielding layer. A reinforcing core is arranged at the center of the cable core. The cable core is composed of four coaxial wire cores and the reinforcing core twisted into a cable. The wire core is composed of a conductor wire and an insulation wrapped outside the conductor wire. The outer periphery of the cable core is wrapped with graphite conductive cloth, the outer surface of the graphite conductive cloth is wrapped with a shielding layer, and the outer surface of the shielding layer is extruded with a sheath. The present invention also proposes a corresponding preparation method, including the preparation of graphite conductive cloth: spraying a strong glue on the base cloth tape, grinding and rolling the raw graphite on a substrate, and continuously rolling and tearing the base cloth tape on the substrate, and finally sprinkling graphite powder and rolling forming; winding process: using graphite conductive cloth to wrap the cable core, wrapping the shielding layer and the sheath, and obtaining a finished cable. The present invention imitates the method of preparing graphene by mechanical method, and the graphite is layered and bonded to the outer periphery of the cable core, thereby improving the conductivity of the graphite conductive cloth and reducing the thickness of the graphite conductive cloth, thereby improving the electromagnetic shielding effect of the cable product.

This cable comprises an electric wire and a metal layer covering the electric wire, wherein: the electric wire includes a conductor and an insulating material provided on an outer peripheral surface of the conductor; the insulating material contains a polyolefin-based resin, a phenolic antioxidant, and a copper damage inhibitor; the content of the polyolefin-based resin in the insulating material is at least 98 mass%; the insulating material contains 0.01-0.5 parts by mass of the phenolic antioxidant and 0.01-0.5 parts by mass of the copper damage inhibitor, with respect to 100 parts by mass of the polyolefin-based resin; the dielectric loss tangent at 10 GHz is at most 3.0×10-4; the metal layer includes a longitudinally attached metal layer configured by longitudinally attaching a metal tape; the metal tape partially overlaps in the width direction of the metal tape to form an overlapped part; and the width of the overlapped part is 1 / 20 to 1 / 3 of the width of the metal tape.

A cable includes at least two insulated core wires, an insulation structure, a first shielding layer, a second shielding layer, and a second insulation layer. Each insulated core wire includes a conductive wire core and a first insulation layer wrapped over the conductive wire core. The insulation structure is wrapped around an outside of the at least two insulated core wires and fixedly positions the at least two insulated core wires therein. The second insulation layer is circumferentially wrapped around an outside of both the first shielding layer and the second shielding layer. Each of the first shielding layer and the second shielding layer circumferentially surrounds a portion of an outer circumferential surface of the insulation structure and together form a combined shielding layer circumferentially wrapped over the entire outer circumferential surface of the insulation structure.

Data transmission cable (300) comprising: a first balanced untwisted cable pair (100) including a first insulated conductor (1) comprising a first conductor (5) surrounded by a first insulation layer (6), and a second insulated conductor (4) comprising a second conductor (14) surrounded by a second in insulation layer (15); at least one second balanced untwisted cable pair (200) including a third insulated conductor (3) comprising a third conductor (9) surrounded by a third insulation layer (10), and a fourth insulated conductor (2) comprising a fourth conductor (7) surrounded by a fourth insulation layer (8); wherein: the cable further comprises a metallic screen (11) separating and at least partially surrounding each of said first, second, third and fourth insulated conductor (1, 4, 3, 2); and the first balanced untwisted cable pair (100) is configured to be unbalanced with respect to the second balanced untwisted cable pair (200).

A computing cable that connects computing elements, including: a trace including a first trace segment and a second trace segment, the trace having a first impedance; and an attenuator connecting the first trace segment to the second trace segment, the attenuator including: a resistor having a resistance, and a conductor having a second impedance, wherein the combination of the resistance and the second impedance is based on the first impedance.

The invention discloses a fireproof computer and instrument shielding cable with high shielding performance and low heat release, and relates to the technical field of cables, the fireproof computer and instrument shielding cable comprises four conductors, the outer surface wall of each conductor is wrapped with a fireproof layer, the outer surface wall of each fireproof layer is wrapped with an insulating layer, the outer surface walls of every two insulating layers are wrapped with a wire group wrapping tape layer, and the wire group wrapping tape layer is wrapped with a wire group wrapping tape layer. The outer surface wall of each wire group belting layer is wrapped and woven with a sub-shielding layer, a fireproof layer and an insulating layer are adopted in the mechanism, an effective protection effect on a conductor is achieved, meanwhile, the fireproof performance of the cable body is improved, the content of limited substances in the cable is reduced, the environmental protection performance of the cable body is improved, and through the arrangement of the sub-shielding layers, the service life of the cable is prolonged. The shielding capability of the cable body is improved, the stability of signal transmission is ensured, the cable core filling layer and the cable core belting layer are arranged, the environmental protection performance is further improved, the flame retardation capability is improved, the combustion and flame spreading of the cable body can be significantly inhibited, the processing performance is good, and the cost performance is higher.

The present disclosure provides a multi-core cable in which the occurrence of a band gap is suppressed. A multi-core cable is provided with: a core formed by twisting four coated wires; a shield layer disposed outside the core; and a sheath disposed outside the shielding layer, the four covered wires are composed of two first wires and two second wires, the outer diameter of the first wires is larger than that of the second wires, and the outer diameter of the first wires is larger than that of the second wires in a cross section perpendicular to the longitudinal direction of the core. The centers of the two first electric wires are located on a first diagonal line of a quadrangle formed by connecting the centers of the four covered electric wires, the centers of the two second electric wires are located on a second diagonal line of the quadrangle, and the two first electric wires are in contact with each other. The first electric wire is in contact with the second electric wire disposed adjacent to the outer periphery of the core.

The invention belongs to the field of digital communication, and particularly relates to a novel FRP rat-proof and bird-pecking-proof armored digital communication cable which comprises multiple strands of core bodies, insulating layers are fixedly connected to the outer sides of the multiple strands of core bodies in an extruded mode, and every two adjacent sets of insulating layers and the core bodies on the inner sides of the insulating layers are jointly twisted to form twisted pairs; the number of the twisted pair wires is four, and the four groups of twisted pair wires are twisted to form a cable core. According to the invention, the FRP armor layer is made of a glass fiber reinforced composite material and wraps the outer side of the inner sheath in a multi-strand spiral winding manner, the tensile strength of the FRP armor layer is far higher than the occlusal force of rat teeth and the pecking impact force of birds, rat gnawing and bird pecking can be physically prevented, the strength of the cable is increased, the weight is reduced, and the cable is suitable for popularization and application. And the outer sheath is made of a high-density polyethylene material added with a capsaicin derivative, so that the pungent smell and taste experience of the capsaicin derivative can actively repel mice and birds, damage behaviors are reduced from the source, and the operation and maintenance cost is reduced.

A cable includes at least two conductive wire cores spaced apart from each other and extending in a longitudinal direction of the cable, and an interior insulation structure circumferentially wrapped around and contacting each of the at least two conductive wire cores to fix the at least two conductive wire cores. The interior insulation structure is a foamed insulation structure in which the at least two conductive wire cores are fixedly maintained. The cable further includes an internal insulation layer wrapped over and contacting the interior insulation structure on an outer side of the interior insulation structure, a first conductive shielding layer wrapped over the internal insulation layer on an outer side of the internal insulation layer, and an external insulation layer wrapped over an outside of the first conductive shielding layer.

To provide a multicore cable in which generation of sack-out is suppressed.SOLUTION: A multicore cable has: a core in which four coated electric wires are stranded; a shield layer arranged outside the core; and an outer jacket arranged outside the shield layer, where the four coated electric wires consist of two first electric wires and two second electric wires, and the outer diameter of the first electric wire is larger than the outer diameter of the second electric wire. On a cross section perpendicular to the longitudinal side of the core, the centers of the two first electric wires are positioned on a first diagonal line of a square formed by connecting the centers of the four coated electric wires, the centers of the two second electric wires are positioned on a second diagonal line of the square, the two first electric wires contact each other, and the first electric wire contacts the second electric wire arranged adjacent along the outer periphery of the core.SELECTED DRAWING: Figure 1

A welding-type system may include a welding-type power source, configured to provide power to one or more components of the welding-type system, and a welding-type wire feeder, configured to feed electrode wire during welding-type operations. A multi-conductor connector may be used in connecting the welding-type power source and the welding-type wire feeder. The multi-conductor connector includes a plurality of conductors. The welding-type power source may provide, via the plurality of conductors in the multi-conductor connector, power to the welding-type wire feeder, for powering and / or driving the welding-type wire feeder. The welding-type power source and the welding-type wire feeder may perform data communication via the plurality of conductors. The data communication may be performed during the providing of power. The data communication may be performed using at least one conductor that is also used in the providing of power from the welding-type power source to the welding-type wire feeder.

A welding-type system may include a welding-type power source, configured to provide power to one or more components of the welding-type system, and a welding-type wire feeder, configured to feed electrode wire during welding-type operations. A multi-conductor connector may be used in connecting the welding-type power source and the welding-type wire feeder. The multi-conductor connector includes a plurality of conductors. The welding-type power source may provide, via the plurality of conductors in the multi-conductor connector, power to the welding-type wire feeder, for powering and / or driving the welding-type wire feeder. The welding-type power source and the welding-type wire feeder may perform data communication via the plurality of conductors. The data communication may be performed during the providing of power. The data communication may be performed using at least one conductor that is also used in the providing of power from the welding-type power source to the welding-type wire feeder.

The present invention relates to an Ethernet cable for vehicles that is based on Low Voltage Differential Signal (LVDS) and enables large-capacity data communication and high-speed transmission required by vehicle network systems, minimizes the overall outer diameter and weight, and has excellent vibration resistance and electrical properties.

The present application provides a network cable with a dehumidification function, comprising an outer sheath, a central axis, and multiple sliding components; a accommodating cavity is provided in the outer sheath; the central axis is rotatably arranged in the accommodating cavity; multiple sliding components are arranged between the outer sheath and the central axis, the sliding component comprises a sliding frame, a wire core, and an opening and closing structure, the sliding frame can slide radially along the central axis, and an air hole connected to the wire cavity is provided at one end of the sliding frame close to the outer sheath; the opening and closing structure is spaced apart from the outer sheath and a first air cavity is formed therebetween, when the central axis rotates, the central axis can resist the sliding frame to slide radially along the central axis, and based on the sliding action of the sliding frame, the sliding frame can control the opening and closing structure to open or close the air hole.

This invention discloses a low-loss twisted-pair digital communication cable suitable for high-frequency vibration scenarios, its manufacturing method, and its application, belonging to the field of cable technology. The cable includes a silver-plated copper conductor and, from the inside out, a main insulation layer, a wire pair, a shielding layer, and a sheath. The main insulation layer consists of a sub-insulation layer and multiple parallel strip-shaped hollow tubes. The contact area between the sub-insulation layer and the hollow tubes is coated with a hot-melt adhesive containing disulfide bonds. The wire pair is formed by twisting two single wires; one wire has helical serrated protrusions, and the other has a matching groove. The contact area is filled with the aforementioned hot-melt adhesive, and the remaining gaps are filled with rubber microspheres. The shielding layer includes double-sided composite aluminum foil, a braided shielding layer, and drainage lines. The sheath is a graphene-containing polyolefin nanocomposite material. This invention achieves low-loss and high-stability transmission in high-frequency vibration scenarios through structural and material optimization, making it suitable for industrial automation, data centers, and other fields.

The present application provides a network cable with a dehumidification function, comprising an outer sheath, a central axis, and multiple sliding components; the outer sheath is provided with a accommodating cavity; the central axis is rotatably arranged in the accommodating cavity; multiple sliding components are arranged between the outer sheath and the central axis, the sliding component comprises a sliding frame, a wire core and an elastic structure, the sliding frame can slide radially along the central axis, and the wire core is arranged in a wire cavity opened by the sliding frame; the elastic structure is clamped between the sliding frame and the outer sheath and is connected to the outer sheath and is provided with an airway, the sliding frame is provided with micropores, and the micropores connect the airway and the wire cavity; when the central axis rotates, the central axis can resist the sliding frame to move radially along the central axis, so that the elastic structure undergoes elastic deformation, and based on the elastic deformation of the elastic structure, the airway can be opened or closed.

Cable signal transmission system, including: a differential driver to generate a differential signal between a positive-phase signal and a negative-phase signal from a signal that is input into the differential driver; a splitter to divide the positive-phase signal into two or more split positive-phase signals, and to divide the negative-phase signal into two or more split negative-phase signals; and a multi-core cable, having four or more cores, which is connected to the splitter in order to transmit each of the signals separately after division by the splitter, wherein in the multi-core cable each of the following inner cables: two or more inner cables, via which the split positive-phase signals are transmitted, and two or more inner cables, via which the split negative-phase signals are transmitted, are arranged adjacent to one another.

The invention discloses a low-loss twisted-pair digital communication cable suitable for a high-frequency vibration scene and a preparation method and application of the low-loss twisted-pair digital communication cable, and belongs to the technical field of cables. The cable comprises a silver-plated copper wire conductor, and a main insulating layer, a wire pair, a shielding layer and a sheath which are sequentially arranged from inside to outside. The main insulating layer is composed of a branch insulating layer and a plurality of hollow pipes which are distributed in parallel in a strip shape, and the contact area of the branch insulating layer and the hollow pipes is coated with a hot melt adhesive containing disulfide bonds. Each wire pair is formed by twisting two single wires, one single wire is provided with a spiral sawtooth-shaped protrusion, the other single wire is provided with a matched groove, the hot melt adhesive is filled in an attaching area, and rubber microspheres are filled in other gaps. The shielding layer comprises a double-sided composite aluminum foil, a braided shielding layer and a drain wire, and the sheath is made of a polyolefin nanocomposite material containing graphene. Through structure and material optimization, low-loss and high-stability transmission in a high-frequency vibration scene is realized, and the device is suitable for the fields of industrial automation, data centers and the like.

A cable and a cable assembly are provided. The cable comprises: at least two conductive cores (110) spaced apart from each other and extending in a longitudinal direction of the cable; an internal insulation structure (120), the internal insulation structure (120) circumferentially wrapping and contacting each of the at least two conductive wire cores (110) so as to fix the at least two conductive wire cores (110); an inner insulating layer (130) covering and contacting the inner insulating structure on the outer side; a first conductive shielding layer (140) externally wrapped on the inner insulating layer; and an outer insulating layer (150) wrapped outside the first conductive shielding layer, the inner insulating structure being a foamed insulating structure in which the at least two conductive cores are fixedly held.

The present application provides a network cable with a dehumidification function, comprising an outer sheath, a central axis, multiple brackets, and multiple sliding components; the central axis is rotatably arranged in a accommodating cavity of the outer sheath; an active cavity for accommodating the sliding component is formed between any two adjacent brackets, the sliding component comprises a sliding frame, a wire core, and an opening and closing structure, the sliding frame is slidably arranged in the active cavity, the sliding frame is provided with a first air hole connected to the wire cavity, a first air cavity is formed between the opening and closing structure and the outer sheath, and a second air cavity connected to the first air hole can be formed between the opening and closing structure and the sliding frame; a support cavity is provided between any adjacent brackets and the sliding frame, the bracket is provided with a second air hole, the second air hole connects the support cavity and the second air cavity, and when the central axis rotates, it can push the sliding frame to slide along its radial direction, so that the sliding frame controls the air path between the first air cavity and the second air cavity.

The invention provides a weather-proof easily-recognized novel rail traffic railway digital signal cable and a preparation method thereof, and aims to solve the problems that an existing railway signal cable is insufficient in environmental adaptability, identification is prone to losing efficacy, and the appearance is difficult to distinguish, the cable comprises a cable core and a protective layer, and the cable core comprises a four-wire set and a copper strip shielding layer; each insulating single wire is composed of an oxygen-free copper conductor and an insulating layer. The protective layer comprises a multi-layer structure including a wrapping tape layer, a heat insulation protective layer, an aluminum protective layer and the like, and the outer side of the outer sheath layer is provided with a marking strip; materials such as insulating materials of each layer and the outer sheath are innovated, the identification degree of the cable ground marking strip is high, the durability is high, a fault cable can be rapidly positioned, misoperation is prevented, and the signal transmission requirements of different scenes of rail transit are met. The method can be widely applied to places with high performance and safety requirements, such as high-speed railways, subways, urban rail transit and the like.