1063results about "Flat/ribbon cables" patented technology

The invention discloses a graphene flat cable coating anti-drop FPC connector, and relates to the technical field of connectors, the graphene flat cable coating anti-drop FPC connector comprises a connector body, a flip cover body is rotatably arranged above the connector body, a terminal body is arranged in the connector body in a butt joint manner, and a flexible flat cable body is arranged in the connector body in a butt joint manner. A movable groove is formed in the rear side of the connector body, a terminal abutting mechanism is arranged in the movable groove, and the terminal abutting mechanism abuts against the terminal body through the flip cover body so as to reduce contact with the flexible flat cable body. According to the anti-drop FPC connector for the graphene flat cable coating, the lower side of the flexible flat cable body is provided with the graphene layer capable of enhancing the conductivity and the heat dissipation performance of the flexible flat cable body, and the inclined guide part arranged at the front side of the connector body can be used for performing butt-joint plugging guide on the flexible flat cable body, so that the graphene coating arranged at the lower side of the flexible flat cable body is protected; the contact area of the graphene and the plastic wall is reduced, and the graphene layer is prevented from being damaged.

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

The utility model discloses a fixed elliptical hole-shaped solid insulation differential transmission cable. Comprising a pair of inner core wires, a metal shielding layer is coated outside the pair of inner core wires, and a polyester film layer is coated outside the metal shielding layer; each inner core wire comprises an inner conductor and an insulating layer wrapping the inner conductor, and a plurality of indwelling wire holes distributed in a lotus root shape are formed in the insulating layer. The indwelling wire holes of the insulating layer in the transmission cable reduce the dielectric constant of the insulating layer, and the insulating layers with different dielectric constant requirements can be obtained through the number and the size of the indwelling wire holes, and the indwelling wire holes are controllable and effective; the original tensile strength of the insulating layer is ensured, the weight is reduced, and the production and manufacturing cost of the cable is further reduced.

The invention relates to an enameled flat wire. The surface of a conductor is sequentially coated with first polyimide paint, second polyamide-imide paint, third polyimide paint and fourth polyimide paint, wherein the second polyamide-imide paint and the third polyimide paint are alternately arranged; wherein the peel strength of the first polyimide paint is not lower than 1.5 N / mm; the relative dielectric constant of the third polyimide paint is not greater than 2.1; nanoscale zirconium dioxide and nanoscale aluminum oxide are added into the fourth polyimide paint. The tensile strength of the enameled flat wire is not lower than 230 MPa; in a measurement standard within 100PC, a partial discharge initial voltage value of 50Hz-20kHz is not less than 2000V; under the condition that the leakage current does not exceed 5mA, the breakdown voltage value is not lower than 11kV; in a corona environment with the temperature being 155 DEG C, the voltage of Vp-p being 4000 V, the rising edge being 100 ns and the frequency being 20 kHz, the corona-resistant service life is 100-400 hours; in an ATF oil resistance test of T / CEEIA415-2019 standard, a partial discharge initial voltage value and a breakdown voltage value are both not lower than 90% of an initial value.

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

The present invention provides a flat ribbon flexible cable, the flat ribbon flexible cable having a bending surface, and a plurality of shunt channels are sequentially formed near the bending surface of the flat ribbon flexible cable; when the flat ribbon flexible cable is bent, a corresponding pre-bending section can be formed, and a pressure change occurs in the shunt channels at the pre-bending section, so that the flat ribbon flexible cable is bent along a preset direction or has a tendency to be bent along the preset direction, thereby reducing the driving force required for bending in the preset direction, avoiding affecting the motion accuracy and efficiency of the device, avoiding the phenomenon of accelerating the fatigue of the cable structure due to repeated stress concentration, causing deterioration of signal transmission performance and even the risk of fracture, and meeting the requirements of high-efficiency, reliable and long-life operation of the device.

The invention discloses an aluminum alloy flat cable for a new energy automobile, and relates to the technical field of power cables, the aluminum alloy flat cable comprises an aluminum alloy solid conductor, the outer side of the aluminum alloy solid conductor is provided with a composite insulating layer, the composite insulating layer is internally coated with an aerogel thermal insulation layer, the inner side of the aerogel thermal insulation layer is provided with a limiting center groove, and the inner side of the aerogel thermal insulation layer is provided with a limiting groove. A heat conduction silica gel sheet is clamped to the inner side of the limiting center groove, and a center connecting sleeve is connected to the middle of the heat conduction silica gel sheet. Heat in the flat cable is directionally transferred through circulation of heat conduction oil in the flow guide outer pipe and the backflow inner pipe; the flat cable ensures that the interior of the flat cable can be kept in a proper temperature range in the using process, effectively prevents the situation that heat generated in the working process of the flat cable is randomly diffused to cause abnormal temperature rise of peripheral electronic components to affect normal use, and ensures that the flat cable does not affect normal use of an automobile in the using process. And the use safety of the flat cable is effectively improved.

The invention discloses a flame-retardant flat flexible high-current cable and a preparation method thereof, and relates to the technical field of cables. The cable comprises a flat conductor, an insulating layer, a shielding layer, a reinforcing layer and a sheath layer, the insulating layer contains 85-90 parts of low-density polyethylene, 1.2-1.5 parts of dicumyl peroxide, 12-15 parts of modified aluminum hydroxide and the like; and the sheath layer contains 42-50 parts of modified chlorinated polyethylene, 28-34 parts of modified aluminum hydroxide and the like. The modified chlorinated polyethylene is prepared through a three-step extrusion reaction, and the modified aluminum hydroxide is subjected to coupling agent treatment, coating modification and carbon nanotube composite modification. The flame-retardant flat flexible large-current cable has prominent advantages, an efficient flame-retardant system is constructed by modified aluminum hydroxide and antimony trioxide, and the V-0 level requirement of UL94 can be met; the flat structure is combined with the modified chlorinated polyethylene, so that the flexibility is excellent and the temperature-resistant range is wide. The design of the insulating layer and the shielding layer ensures excellent electrical performance, segmented temperature control and accurate parameter regulation and control are performed in preparation, stable product quality is ensured, and the device can adapt to a large-current application scene.

The invention belongs to the technical field of electromagnetic wire materials and manufacturing, and particularly relates to a copper-aluminum composite special-shaped enameled wire and a preparation method thereof.The enameled wire comprises a copper-clad aluminum composite conductor and an insulating paint layer coated on the outer surface of the copper-clad aluminum composite conductor; the composite conductor is composed of a copper layer and an aluminum core, and the volume ratio of the copper layer to the aluminum core is 60%: 40%-70%: 30%. The thickness of the composite conductor is 0.5-2.0 mm, the width of the composite conductor is 2.0-10.0 mm, and the width-to-thickness ratio of the composite conductor is 2-8; the eccentricity of the copper layer is less than or equal to 2.5. The enameled wire has high conductivity, light weight and high reliability, and is especially suitable for high-frequency power electronic devices such as new energy automobile motors, high-frequency transformers and photovoltaic inverters, and application scenarios with high requirements for space utilization rate, heat dissipation performance and long-term stability such as spaceflight and deep sea equipment in extreme environments.

The utility model provides a biaxial stretching automatic storage magnetic suction flat wire which comprises a wire rod filled with a magnetic suction material layer and a first connector and a second connector arranged at the two ends of the wire rod, the wire rod comprises a first section and a second section which are sequentially connected, the first section and the second section are folded, the first connector is arranged at the end of the first section, and the second connector is arranged at the end of the second section. The second connector is arranged at the end of the second section, and when the first section and the second section are wound together, the first connector and the second connector are located on the two circles of the outermost layer or both located on the outermost circle. According to the two-way stretching automatic storage magnetic absorption flat wire, the first section and the second section are folded and then wound together, so that the first connector and the second connector are located on the two circles of the outermost layer respectively or located on the outermost layer respectively; the problem that when one connecting end of an existing two-way stretching automatic storage magnetic suction flat wire is wound to an inner ring and pulled away, the wire is disordered is solved, and the problem that the inner layer of a coil forms a three-dimensional shape due to the fact that the wire is wound into the coil arranged in a stacked mode, and adsorption is difficult is also solved.

The invention discloses an easy-to-bend copper bar cable which comprises a flat copper bar conductor with the section thickness of 2.95 mm to 3.05 mm, the section width of 15.90 mm to 16.10 mm and the sectional area of 48 mm < 2 >, and an insulating layer which is made of a nylon material and wraps the copper bar conductor, the average thickness of the insulating layer is 0.55 mm to 0.65 mm, the minimum local thickness of the insulating layer is larger than or equal to 0.48 mm, the height of the outer contour of the insulating layer is 4.2 mm, and the thickness of the outer contour of the insulating layer is 4.2 mm. The width of the insulating layer is 17.2 mm, and the surface roughness Ra of the insulating layer is less than or equal to 0.8 [mu] m. The electric connector has the characteristics of temperature resistance, aging resistance and chemical corrosion resistance, supports customized designs such as end stamping and tin plating, is convenient to mount, reduces the occupied space by 30%, and remarkably improves the reliability and durability of electrical connection and the system integration efficiency.

The invention relates to the technical field of busbars, and discloses a multi-layer composite fire-resistant shielding busbar and a preparation method thereof, and the multi-layer composite fire-resistant shielding busbar comprises a conductor layer, a fire-resistant layer, a shielding layer and a sheath layer which are sequentially coated from inside to outside; wherein the conductor layer is made of copper or aluminum; the fireproof layer wraps the conductor layer and is formed by wrapping a double-layer PI three-in-one synthetic mica tape. According to the multi-layer composite fire-resistant shielding busbar and the preparation method thereof, the double-layer PI three-in-one synthetic mica tape is used for wrapping, a stable fire-resistant insulation structure is formed outside the conductor layer in a reverse wrapping mode that the first layer is clockwise and the second layer is anticlockwise, and the mica tape is formed by combining phlogopite paper and an organic silicon resin adhesive capable of resisting the temperature of 300 DEG C; the structural integrity can be maintained under the fire high-temperature condition, and electrical short circuit caused by thermal failure is effectively prevented; and meanwhile, the mica tape adhesive layer permeates into the micro-groove structure arranged on the surface of the conductor in the thermocuring process, so that the mechanical occlusion strength is further enhanced.

A flexible circuit base board and a flexible flat cable are provided. The flexible flat cable includes the flexible circuit base board and a transmission element. The flexible circuit base board includes a base film, multiple conductive wires, a transmission signal pad, a conductive structure, a collecting signal pad and a cover film. The conductive wires are spaced and placed on the base film. The transmission signal pad and the collecting signal pad are electrically connected to and are disposed on the base film. The conductive structure is disposed on the base film, and is electrically connected to at least one of the conductive wires and the transmission signal pad. The cover film is disposed on the base film, and covers the conductive wires, the conductive structure, the transmission signal pad, and the collecting signal pad. The transmission element is electrically connected to the collecting signal pad.

Protective element-mounted flexible flat cable includes a plurality of conductive wires, insulating sheet covering the plurality of conductive wires, and protective element that is disposed in the middle of at least one of conductive wires and limits an overcurrent flowing through the at least one of conductive wires.

The invention provides a flexible flat cable and a manufacturing process thereof, and an electronic device, the flexible flat cable comprises a signal layer and shielding films, the signal layer is used for transmitting signals, the shielding films are attached to the surfaces of the two sides of the signal layer in the thickness direction, the shielding films are used for carrying out insulation protection on the signal layer, and electromagnetic shielding can be realized. The signal layer and the shielding films on the two sides of the signal layer jointly form the flexible flat cable, and the flexible flat cable is simple in structure and low in cost. According to the flexible flat cable, the shielding film is designed, on the basis that the loss performance and impedance of the flexible flat cable are controllable, the thickness of the shielding film is reduced, and the thickness of the shielding film is controlled between 0.5 micrometer and 12 micrometers, so that the overall thickness of the flexible flat cable is reduced, and the application range of the flexible flat cable is expanded.

The utility model discloses an elevator accompanying flat cable which comprises a flat outer protection layer used for wrapping components horizontally placed in the elevator accompanying flat cable. The control unit comprises control wire groups which are horizontally arranged on the left side and the right side of the interior of the flat outer protection layer in parallel and are symmetrical, and each control wire group comprises a central elastic filling strip and insulating wire cores which surround the periphery of the filling strip and are arranged in a twisted mode; the communication unit comprises symmetrical communication wire groups which are horizontally arranged in the middle of the flat outer protection layer in parallel, each communication wire group comprises two video wires, a communication optical cable, a drainage wire, a shielding layer and an inner protection layer, the video wires, the communication optical cables and the drainage wires which are twisted are wrapped by the shielding layers, and the inner protection layers are extruded on the outer surfaces of the shielding layers; the steel wire ropes are symmetrically arranged on two sides of the communication unit. The communication line group is simple in structure and easy to produce and manufacture, improves the anti-interference capability of the communication line group, reduces signal distortion, and improves the bending resistance and fracture resistance of the traveling cable.

A power harness includes a cable having a ring insert received in an opening electrically connected to the cable body and having a cable seal sealed to the flat cable. The power harness includes a housing having a chamber with a cable slot and a bore passing through a hub. The power harness includes a threaded bolt received in the hub passing through the ring insert to threadably couple to a mating harness. The threaded bolt includes an insulating cover on the head and an insulating cap extending from the threaded shaft. The threaded bolt includes a bolt seal sealed to the housing. The power harness includes a contact ring received in the hub aligned with the ring insert with an opening that receives the threaded bolt. A first end engages and is electrically connected to the ring insert and a second end is electrically connected to the mating harness.

The invention relates to the technical field of active cables, in particular to an active cable made of black phosphorus-graphene oxide. The active cable is provided with a plurality of electrical cores, each electrical core comprises a pair of parallel wire assemblies, an outer shielding layer is arranged on the outer side of each wire assembly, and a wire pair shielding layer and a sheath layer are sequentially arranged on the outer side of each outer shielding layer in a sleeving mode; the wire assembly comprises an inner conductor and an inner shielding layer which are coaxially arranged, and the inner shielding layer wraps the outer side of the inner conductor; the inner surface of the outer shielding layer and the outer surface of the inner shielding layer form a cavity, and the cavity is filled with an insulating layer. The inner shielding layer is a black phosphorus-graphene oxide film inner shielding layer. According to the active cable, the inner shielding layer made of black phosphorus-graphene oxide is arranged outside the inner conductor, so that the active cable has the advantages of long-distance transmission, high temperature resistance, good mechanical performance and the like.

The invention is suitable for the technical field of floating cables, and provides a floating power cable based on communication engineering, which comprises a conductive part, a signal part and two clamping parts, the conductive part and the signal part are clamped and matched through the two clamping parts; each of the conductive part and the signal part comprises a cross-linked polyethylene insulated flexible substrate; clamping rubber strips are symmetrically fixed on the surface of the cross-linked polyethylene insulating flexible substrate, and clamping grooves matched with the clamping rubber strips are symmetrically formed in the bottom surface of the cross-linked polyethylene insulating flexible substrate; the clamping part comprises two groups of U-shaped rubber seats which are arranged in parallel; a rubber plate is fixed between the end parts of the two U-shaped rubber seats; airbags are fixed on the side surfaces of the rubber plates; according to the floating power cable, the clamping parts are respectively clamped and matched with the conductive parts and the signal parts, so that a traditional cable integrated structure is replaced, and later targeted overhaul and maintenance are facilitated; through the arrangement of the flat structures of the conductive part and the signal part, the conductive part and the signal part are convenient to roll and transport, and the overall buoyancy effect of the cable is improved by cooperating with the use of the air bag.

A differential signal transmission cable includes: an insulating layer that extends along a longitudinal direction of the differential signal transmission cable; a pair of signal lines that extends along the longitudinal direction of the differential signal transmission cable and is buried in the insulating layer; and a shield that exists around an outer peripheral surface of the insulating layer.

The high-flexibility machine tool drag chain flat type power supply cable comprises a reinforcing core, wires, insulating layers, an inner protective layer, a shielding layer and an outer protective layer, the outer side of the reinforcing core is provided with a plurality of wires in parallel, the outer side of each wire is coated with the insulating layer, two adjacent wires coated with the insulating layers are mutually wound to form a twisted-pair wire unit, and the inner protective layer is coated with the shielding layer. A plurality of twisted-pair wire units are arranged on the outer side of the reinforced core, the reinforced core and all the twisted-pair wire units are wrapped in an inner protective layer, a shielding layer is wrapped on the outer side of the inner protective layer, an outer protective layer is wrapped on the outer side of the shielding layer, and a plurality of reinforced wires are embedded in the outer protective layer. The flexibility of the cable is improved, the degree of freedom of the cable during bending is increased, the bending stress is effectively dispersed, so that the flexibility of the cable is remarkably improved, the internal lead is not easy to damage when the cable is frequently bent along with the movement of the drag chain box due to the design, and the service life of the cable is prolonged.

The utility model discloses a large-current flexible busbar cable, which relates to the technical field of flexible busbar cables and comprises double-layer copper wire row conductors which are arranged in parallel, a polyimide film is wrapped outside the copper wire row conductors, a thermoplastic elastomer insulating layer is wrapped on the outer wall of the polyimide film, and a protective layer is wrapped on the outer wall of the thermoplastic elastomer insulating layer. The outer wall of the protective layer is wrapped with a corrugated sheath; according to the utility model, through layered flexible structure design, material performance optimization and process innovation, cooperative improvement of large-current transmission, high-frequency bending, high-efficiency heat dissipation and mechanical reliability is realized, and the problems of limited current-carrying capacity, easy fatigue fracture, high cost and the like of a traditional flexible busbar cable are solved; the application range of the large-current flexible busbar cable is further expanded, the cable production does not need a complex twisting process, the cable is suitable for batch production, and the utilization rate of raw materials is high.

The invention discloses a high-speed cable and a high-speed cable assembly, and relates to the technical field of cables, the high-speed cable comprises two signal lines arranged side by side along a first direction, the outer walls of the two signal lines are sequentially coated with a foamed polytetrafluoroethylene layer, an aluminum foil layer and a plastic layer, and two flat ground wires are arranged between the aluminum foil layer and the plastic layer. The two flat ground wires are distributed in a layered mode in the second direction, and the flat ground wires abut against the aluminum foil layer or are bonded with the aluminum foil layer through a conductive adhesive; wherein the first direction is perpendicular to the second direction, the heights of the two signal lines in the second direction are located between the heights of the two flat ground wires in the second direction, the projection length of the two signal lines in the first direction is larger than the projection length of the flat ground wires in the first direction, and the two ends of the plastic layer in the second direction are arranged in a plane mode. According to the invention, the technical problem of poor grounding contact of the high-speed cable is solved.

The invention relates to a power transmission flexible bus which has three waterproof layers from inside to outside through the arrangement of a metal protection layer, a first waterproof layer and a second waterproof layer, ensures the electrical insulation, and also has the waterproof effect through the arrangement of a mechanical protection layer. Stable and reliable protection is formed on the surface of a product, which is directly exposed to seawater, and the mechanical strength is improved; therefore, the waterproof and compressive properties of the product in the deep sea environment are remarkably improved, the use safety of the product is effectively improved, and the service life of the product is effectively prolonged. Meanwhile, through the arrangement of the first lining layer and the second lining layer, stable and reliable supporting and buffering are formed for the metal protection layer and the mechanical protection layer, the metal protection layer is prevented from damaging the insulating layer, the mechanical protection layer is also prevented from damaging the second waterproof layer and the metal protection layer, and the durability of each layer of the product is further ensured; mutual damage between different layers is avoided, and the function integrity of the function of each layer in the preset use period is guaranteed.

The present invention belongs to the technical field of enameled copper flat wires, and relates to a direct-weldable polyurethane enameled copper flat wire and a preparation process therefor. In the present invention, by means of adding a rare-earth element, halloysite nanotubes, silicon carbide and graphene, a polyurethane paint in an intermediate layer is modified, and the performance of the polyurethane paint in the intermediate layer is thus effectively improved. By means of adding the rare-earth element, grains of the polyurethane paint can be refined, such that the polyurethane paint can be better coated on a copper flat wire; adding the halloysite nanotubes enables a polymer to form a network structure, such that the polyurethane paint has better mechanical strength; and adding silicon carbide and graphene further improves the mechanical strength of the polyurethane paint, also enhances the barrier properties of the polyurethane paint, and reduces the permeation of external substances, such as moisture and oxygen, to the polyurethane paint, thereby contributing to improving the oxidation resistance of the polyurethane paint.

The invention relates to the technical field of new energy automobile wire harness conductors, in particular to a high-conductivity and high-durability aluminum conductor for a new energy automobile wire harness and a processing method thereof.The high-conductivity and high-durability aluminum conductor comprises a metal conductor made of aluminum alloy and an insulating layer arranged on the outer side of the metal conductor in a sleeving mode, and a metal shielding layer is arranged on the outer side of the insulating layer in a sleeving mode; and the outer side of the metal shielding layer is sleeved with an outer sheath. According to the high-conductivity and high-durability aluminum conductor for the new energy automobile wire harness and the processing mode of the high-conductivity and high-durability aluminum conductor, the conductivity of aluminum alloy can be remarkably improved to exceed 60% IACS, and energy loss in the electric energy transmission process is effectively reduced; a 125 DEG C modified nylon 12 material is adopted, so that the working temperature grade of the cable and the adhesiveness of an insulating material and a conductor are improved, the working temperature of the cable can reach 125 DEG C, and the peeling strength of the insulating material and the conductor reaches MPa; a totally-enclosed metal shielding structure is adopted, so that the shielding efficiency of the cable is improved.