605results about "Flat/ribbon cables" patented technology

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 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 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.

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 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.

A shielded flat cable includes a plurality of conductors arranged in parallel and including a ground line, an insulator including a first insulator disposed on an upper surface of the plurality of conductors and a second insulator disposed on a lower surface of the plurality of conductors, a metal foil disposed above the first insulator and electrically connected to the ground line, and a shield layer electrically connected to the metal foil and disposed so as to surround outer peripheries of the insulator and the metal foil.

Systems and methods for authentication may include balancing an unbalanced power cable using a transformer that has one or more phases by selecting a voltage on a tap handle; disposing a first bushing on one or more phases at a different voltage than the selected voltage; and balancing the unbalanced power cable based on the disposition of the first bushing on the one or more phases at the different voltage.

The invention relates to electric devices by which electrical signals are transmitted, such as e.g. a ribbon cable, an integrated semiconductor component, an electrical circuit arrangement or another electrical cable.

An electromagnetically shielded data transmission cable, comprising: a first insulating base film and a second insulating base film which are stacked. A plurality of signal transmission metal lines are arranged at intervals between the first insulating base film and the second insulating base film; metal wires are provided on the two sides of each signal transmission metal line in parallel in a spaced manner; a first shielding layer is provided on the surface of the side of the first insulating base film facing away from the signal transmission metal lines and the metal wires; a second shielding layer is provided on the surface of the side of the second insulating base film facing away from the signal transmission metal lines and the metal wires; a first insulating film is provided between the first insulating base film and the first shielding layer; a second insulating film is provided between the second insulating base film and the second shielding layer. The electromagnetically shielded data transmission cable reduces signal attenuation, achieves stable signal transmission, reduces the overall bending radius, relaxes requirements for the installation space, and improving operation convenience for personnel.

The invention discloses a preparation method of a paper-insulated enameled copper flat wire, which relates to the technical field of paper-insulated conductors, and comprises the following steps: preparing a copper flat wire from a copper conductor; coating the insulating paint on the copper flat wire, and baking and curing to obtain an enameled copper flat wire; the enameled copper flat wire is wrapped by two gap wrapping layers to form a composite wire A. The gap wrapping layers are formed by spiral winding and gap wrapping of insulation paper in the length direction of the enameled copper flat wire. And taking one composite wire A or a plurality of composite wires as a composite wire B, and spirally winding, overlapping and coating the composite wire A or the composite wire B to form a self-locking wrapping layer. According to the invention, a composite wrapping mode of inner-layer gap wrapping (two layers) and outer-layer self-locking wrapping is adopted, and the spiral winding design of the insulation paper is combined, so that the paper layers are ensured to be tightly attached under bending or mechanical stress, looseness and gaps are avoided, and the mechanical stability and the electric insulation reliability of the insulation layer are remarkably improved.

The utility model provides a kind of flat cable overcoming the length difference of inside and outside diameter, include: line body and protection piece, line body includes two flat cable, at least one flat cable is equipped with pre-bending part, pre-bending part protrudes in the plane of flat cable, protection piece is sleeved in a part of two flat cable and contains pre-bending part, protection piece has opening, to allow pre-bending part to pass through opening after stretching.The flat cable overcoming the length difference of inside and outside diameter of the utility model can make the flat cable of bending no longer due to the mismatch of inside and outside diameter length and the problem of excessive flexure of outer ring, excessive compression deformation of inner ring.

The utility model relates to the technical field of motor leads, and discloses a lead for a propulsion motor, which comprises an outer protective sleeve, a plurality of lead wires, a plurality of lead wires, a plurality of lead wires and a plurality of lead wires, and is characterized in that the top and bottom of the outer protective sleeve are provided with grooves; and the heat dissipation positioning mechanism is arranged on the outer protective sleeve, and the heat dissipation positioning mechanism is used for supporting and positioning the outer protective sleeve with a heat dissipation effect. According to the utility model, the shape of the outer protective sleeve is set to be flat, and the groove is designed at the interval of the two conductors on the outer protective sleeve, so that the surface area of the structure can be increased, the contact area between the structure and heat dissipation media such as external air is increased, and the conductors in the outer protective sleeve can be quickly cooled; the problem that damage is easily caused by poor heat dissipation capability of a common wire is avoided, the service life of the structure is prolonged, the stability of the pushing motor during working is guaranteed, and the heat dissipation performance and the mechanical strength of the conductor are improved through the design that the conductor is the wire core formed by twisting seven copper wires together.

The utility model discloses an easy-to-tear light control double-parallel wire and a production mould, the easy-to-tear light control double-parallel wire comprises two groups of conductors arranged symmetrically and an insulating layer wrapping the conductors, the cross section of the double-parallel wire is in the shape of an oblate with a plurality of notches at the center, a connecting part is formed at the joint of the notches, the notches are arranged along the axial direction of the insulating layer, and the insulating layer is arranged in the middle of the double-parallel wire. And the conductor is arranged on one side far away from the connecting part. The tearing force of the easy-to-tear light control double-parallel wire with the same conductor specification is smaller than that of a traditional round double-parallel wire by 35%, and the easy-to-tear light control double-parallel wire is easier to tear. After the easy-to-tear light control double parallel wire is used, the condition that the copper wire is exposed due to breakage of the insulating layer does not occur any more, and the concentricity of the torn insulating layer can be kept above 90%.

The application relates to the technical field of new energy, in particular to a flexible flat cable, a CCS assembly and a battery module. The flexible flat cable comprises a first surface and a second surface oppositely arranged in a thickness direction, a plurality of slits penetrating from the first surface to the second surface, a length edge extending along a length direction, and the slits defining signal leads; a conductor extending along the length direction; a support body made of insulating material, extending along the length direction and being separated from the conductor; an insulating film covering the conductor and the support body; and a through hole penetrating from the first surface to the second surface at the support body and avoiding the conductor.

The invention discloses a high-adhesiveness film sintered aluminum flat wire and a preparation process thereof, a first coating contains plastic metal filler, a second coating contains high-modulus fibers, the high-modulus fibers in the second layer and the plastic metal filler in the first layer form a mechanical interlocking structure, and the metal filler and an aluminum matrix form physical metallurgical bonding. The fiber network in the second layer rapidly disperses local concentrated stress to a larger area by means of the high elastic modulus of the fiber network, and when the stress peak value which is not completely eliminated is transmitted to the first layer, the plastic metal filler can generate irreversible plastic deformation; the bonding strength between the thin film layers and between the thin film layers and the aluminum matrix is enhanced through a mechanical interlocking structure and physical metallurgical bonding, mechanical energy is converted into deformation work consumption, stress is prevented from being accumulated at an interface, and therefore the anti-fatigue and anti-impact performance of the coating is remarkably improved.

The utility model discloses a flexible flat cable. The flexible flat cable comprises an integrally-formed cable core and an outer sheath layer arranged outside the cable core, the cable core comprises a plurality of integrally-formed conductors and an inner coating layer wrapping the plurality of conductors, and the plurality of conductors are arranged at intervals. Through the above mode, the flexible flat cable provided by the utility model is soft, light and thin, is easy to bend, and is convenient to install and use.

The present disclosure provides an electric energy transmission system for a vehicle, a charging device and an electric vehicle. The electric energy transmission system for a vehicle includes a charging connection part (1) and an electric energy transmission guide rail (2), one end of which is connected to one end of the charging connection part (1). The electric energy transmission system for a vehicle have advantages of excellent conductive property, light weight, low cost, avoidance of electromagnetic interference, simple structure and convenient assembly in the process of high current charging.

The invention relates to the technical field of high-speed data cables, in particular to a flat high-speed data cable with special-shaped structure wire cores and a manufacturing method, the flat high-speed data cable comprises a first wire core, a second wire core, a coating layer, a shielding layer and a protective layer, the coating layer, the shielding layer and the protective layer are sequentially coated on the outer sides of the first wire core and the second wire core from inside to outside, each of the first wire core and the second wire core comprises an inner conductor and an insulating layer, the insulating layer of the first wire core is provided with a first plane, the insulating layer of the second wire core is provided with a second plane, and the first plane and the second plane are matched with each other and are in fusion connection; by arranging the first plane and the second plane, the gap between the wire cores is eliminated, and the influence of an air flow channel between the two wire cores on signal transmission is eliminated; in addition, the first wire core and the second wire core can avoid the defect of a double-core co-extrusion process in the prior art through a mode of abutting and combining the first plane and the second plane, so that each wire core can adopt various structural forms, and the high transmission rate of the data cable is ensured.

To provide a sheet-like conductive member which can increase the reliability of an electric connection to the contact of a connector and a wiring part of an equipment target object in spite of having a flexible conductor formed by conductive strings.SOLUTION: The sheet-like conductive member has a flexible conductor 20 formed by conductive strings embroidered or embedded in a sheet body. The flexible conductor 20 includes: a first end part 20A electrically connected to a wiring part of a cloth; a second end part 20B electrically connected to a contact; and a connection part 20C for connecting the first end part 20A and the second end part 20B to each other. The exposed area of the conductive strings in the unit area of the first end part 20A and the second end part 20B is larger than the exposed area of the conductive strings in the unit area of the connection part.SELECTED DRAWING: Figure 12

The embodiment of the utility model discloses a wire rod, wireless charging system and electronic equipment, the wire rod comprises a rectangular conductor, an insulating layer, an outer protective layer and two electroplated layers, the insulating layer is wrapped outside the rectangular conductor to prevent current leakage, the outer protective layer is wrapped outside the insulating layer to prevent the wire rod from being damaged by the external environment, and the two electroplated layers are arranged on the outer side of the outer protective layer. The service life of the wire is prolonged, the two electroplated layers are arranged between the two opposite side faces of the rectangular conductor and the insulating layer respectively, a magnetic field can be shielded through the electroplated layers, reorientation of magnetic flux is facilitated, and the coupling efficiency is improved.

The utility model relates to the technical field, and particularly discloses a high-adhesiveness aluminum enameled wire X, which comprises an aluminum enameled flat wire body and a protection assembly, the protection assembly is arranged on the outer surface of the aluminum enameled flat wire body, the protection assembly is used for protecting the aluminum enameled flat wire body from being scratched, and the protection assembly is used for protecting the aluminum enameled flat wire body from being scratched. The protection assembly can improve the adhesiveness of a coating on the surface of the aluminum enameled flat wire body, and the fixing assembly is installed on the outer surface of the protection assembly and used for fixing the positions of the aluminum enameled flat wire body and the protection assembly. The protection assembly prevents the length of the aluminum enameled flat wire body from changing when the aluminum enameled flat wire body is bent. Through the arrangement of the protection assembly, the outer skin of the aluminum enameled flat wire body can be protected to a certain degree, a coating on the surface of the aluminum enameled flat wire body can be effectively prevented from being scratched, and then the adhesiveness of the coating on the surface of the aluminum enameled flat wire body can be improved.

Provided are electrical harness assemblies and methods of forming such harness assemblies. A harness assembly comprises a conductor trace, comprising a conductor lead with a width-to-thickness ratio of at least 2. This ratio provides for a lower thickness profile and enhances heat transfer from the harness to the environment. In some examples, a conductor trace may be formed from a thin sheet of metal. The same sheet may be used to form other components of the harness. The conductor trace also comprises a connecting end, monolithic with the conductor lead. The width-to-thickness ratio of the connecting end may be less than that of the conductor trace, allowing for the connecting end to be directly mechanically and electrically connected to a connector of the harness assembly. The connecting end may be folded, shaped, slit-rearranged, and the like to reduce its width-to-thickness ratio, which may be close to 1.

The utility model discloses an FFC flexible flat cable high resolution transmission device, which relates to the FFC flat cable technology field, and comprises a connector main body and an interface slot, the interface slot is provided with a flat cable main body, and the joint of the flat cable main body and the interface slot is provided with a flat cable protection mechanism. The flat cable protection mechanism comprises a contraction cylinder, a straight cylinder and an expansion cylinder which sleeve one end, close to the interface slot, of the flat cable main body, the contraction cylinder and the expansion cylinder are positioned on two sides of the straight cylinder and are arranged in a mirror image manner, and the longitudinal sections of the expansion cylinder and the straight cylinder are semicircles which are gradually reduced towards the straight cylinder; according to the utility model, a progressive protection channel is formed through the flat cable protection mechanism composed of the contraction cylinder, the straight cylinder and the expansion cylinder, the diameter of the inlet end of the contraction cylinder is large, flat cables can enter smoothly, and the semi-arc-shaped raised lines on the inner wall of the straight cylinder are made of elastic rubber materials, so that the frictional wear between the flat cables and the channel is reduced, and the service life of the flat cables is prolonged. And the outlet end of the expansion cylinder is gradually expanded, so that the bending stress of the flat cable is effectively relieved.

The application discloses a flat elevator monitoring cable, which comprises cable cores and two groups of corresponding semicircular skeletons; each group of the semicircular skeletons is provided with a plurality of semicircular skeletons, and the two sides of the semicircular skeletons in the same group are connected and installed into an integrated body through connecting plates, and the two groups of corresponding semicircular skeletons can be correspondingly spliced into an integrated skeleton, the space inside the two groups of corresponding semicircular skeletons is set as a placing space, and the cable cores are arranged in the placing space. In the cable, two groups of semicircular skeletons are arranged first, the semicircular skeletons in each group are arranged through connecting plates, the length can be extended, after the two groups of semicircular skeletons are corresponded, the cable cores can be correspondingly placed in the placing space, the outside is wrapped through a wrapping layer and is provided with an outer sheath, and the whole forms a flat cable structure, and the cable has very good toughness when moving up and down with the elevator.