11results about "Manufacturing extensible conductors/cables" patented technology

The application discloses a kind of cable winding flexible shield preparation equipment, including support seat, cable drag mechanism, support cylinder, upper rotary cylinder, lower rotary cylinder, first support frame, second support frame, first hoist mechanism, second hoist mechanism, bevel gear, mounting seat, third servo motor, bevel gear, the support seat is equipped with the cable drag mechanism for dragging cable, and fixed with vertical support cylinder, the support cylinder is cylindrical, and coaxial rotation connects upper rotary cylinder and lower rotary cylinder.This application is used, the cable that needs to be wrapped shielding layer is introduced from top to bottom to cable drag mechanism, using cable drag mechanism to controllable drag cable, in this process, control third servo motor rotation, to drive upper rotary cylinder and lower rotary cylinder to carry out opposite direction rotation, and control first hoist mechanism and second hoist mechanism work, i.e.can be orderly released to shielding wire, so that two shielding wires are helical and interwound.

The utility model relates to an enameled wire production equipment technical field especially relates to a kind of enameled wire painting wire rod cooling traction device, and multiple wire rod cooling traction devices are connected with factory centralized cooling equipment respectively;The wire rod cooling traction device includes cooling traction roller shaft and multiple wire guide wheels, and multiple wire guide wheels are used to guide enameled wire to bypass cooling traction roller shaft;Cooling liquid cavity is arranged in the cooling traction roller shaft, one end of the cooling traction roller shaft is provided with swivel joint, the cooling liquid cavity is connected with the swivel joint, and the swivel joint is connected with cooling water inlet pipe and outlet pipe, and the cooling water inlet pipe and the outlet pipe are connected with the factory centralized cooling equipment respectively. It has the characteristics that enameled wire cooling effect is good and equipment is simple and easy to maintain.

The invention discloses a low-loss ultrathin high-speed transmission FFC wire rod and a preparation method thereof. The FFC wire rod is a low-loss medium system formed by fluorinated polyimide, a liquid crystal polymer, fine PTFE powder and SiO2 / Al2O3 microspheres subjected to surface fluorination treatment, and comprises an ultra-low profile copper foil conductor layer, an embedded patterned grounding grid layer, a top shielding layer and a protective layer. The embedded grounding grid is formed through precise casting and photoetching electroplating, the trapezoidal cross section differential line pair is formed through acid etching, and the embedded grounding grid is manufactured through the technologies of multi-layer hot-pressing lamination, online impedance detection and compensation correction and the like. The total thickness of the wire rod is less than or equal to 0.10 mm, the differential characteristic impedance is 85 + / -5 ohm or 100 + / -5 ohm, the insertion loss is less than or equal to 0.79 dB / in under 10GHz, the near-end crosstalk is less than or equal to-35dB, the bending life is greater than or equal to 1 million times, and the shielding effectiveness is greater than or equal to 60dB, so that the problems that the existing FFC wire rod is large in loss, large in impedance fluctuation and serious in crosstalk under high frequency and is poor in mechanical reliability under an ultrathin structure are solved.

The invention provides a nano metal conductive network / polymer substrate flexible transparent electrode based on coordination bonding and a preparation method thereof, and relates to the field of flexible electronic materials.The method comprises the steps that S1, the surface of a hydrophobic substrate is coated with metal nanowire dispersion liquid, and a micron-sized conductive network is formed through self-assembly by means of the coffee ring effect; s2, preparing a substrate solution for forming a coordination bonding effect with a metal material; and S3, embedding the micron-sized conductive network in the step S1 into the substrate solution prepared in the step S2, and drying and stripping to form the embedded electrode. The method is simple in process and suitable for large-area preparation, and the obtained electrode has the advantages of being high in visible light transmittance, low in sheet resistance, excellent in mechanical stability, rapid in thermal response and the like. The flexible transparent electrode can replace traditional FTO, ITO and other brittle conductive substrates, and has wide application prospects in the fields of flexible solar cells, light-emitting displays, wearable optoelectronic devices and the like.

This application provides a graphene-bonded silver alloy wire and its preparation process, belonging to the field of bonding wire technology for packaging. The preparation process of this graphene-bonded silver alloy wire comprises the following components by weight percentage: graphene content 1000-4500 ppm; Pd content 10000-20000 ppm; the balance being Ag and impurities. With the addition of low gold and palladium content, the graphene-bonded silver alloy wire effectively improves the susceptibility of bonded silver alloy wire to moisture and sulfur / chlorine corrosion, thus migrating silver ions. It achieves the corrosion resistance and silver ion migration inhibition effects of traditional bonded silver alloy wires, significantly reducing material costs and possessing significant scientific research value and application prospects. Furthermore, the circular limiting ring seat, positioning groove, and conical pressure block of the high-tension wire drawing machine in the preparation process enable the high-tension wire drawing machine to quickly fix the I-beam and the wire, greatly improving production efficiency.

According to the flexible electrode provided by the invention, the hydrophobic layer is formed on the special-shaped substrate and the substrate with the contact angle range of 24.1-55 degrees with the silver nanowire dispersion liquid, then the silver nanowire dispersion liquid is uniformly dispersed, the flexible electrode with a honeycomb microstructure is formed, no cross point exists between the silver nanowires, and the flexible electrode has good electrochemical performance. The flexible electrode is prepared on the curved surface or non-centrosymmetric planar substrate by the silver nanowires, and the electrothermal stability of the flexible electrode is greatly improved.

The invention discloses a preparation system for forming a liquid metal conductive pipeline through microfluidic injection, and belongs to the technical field of flexible electronic device manufacturing. According to the system, a novel preparation method is adopted, and liquid metal is directly injected into a biocompatible polymer microchip through an air diffusion mechanism, so that a conductive pipeline with excellent conductivity and flexibility is formed. According to the system disclosed by the invention, the surface tension of the polydimethylsiloxane chip is reduced by utilizing a surface modification technology, and a constant low-pressure injection mode is adopted, so that the problems that a micro-channel is difficult to completely fill with liquid metal, bubbles are easy to generate and the filling efficiency is low in a traditional method are effectively solved. The liquid metal conductive pipeline prepared by the system has high conductivity, high thermal conductivity, excellent ductility and repeatability, is suitable for manufacturing a flexible circuit board with a complex three-dimensional irregular pattern, and provides a brand new preparation technology for the fields of wearable equipment, flexible sensors and the like; meanwhile, the problem that a traditional circuit board is difficult to modify and repair is solved, the circuit is effectively protected, and high fidelity is achieved.

Techniques are provided for fabricating a flexible electrical interconnect. A methodology implementing the techniques according to an embodiment includes performing additive manufacturing to fabricate a chain comprising a plurality of link structures. Each link structure is shaped in a continuous and seamless loop and is coupled to at least one adjacent link structure such that a portion of each link structure traverses through an interior of the loop of the adjacent link structure. The method also includes coupling a first tensioner to a first of the link structures at a first end of the chain. The first tensioner is configured to electrically connect the first link structure to a circuit element. The method further includes coupling a second tensioner to a second of the link structures at a second end of the chain. The second tensioner is configured to electrically connect the second link structure to another circuit element.

The application discloses a horizontal steering wheel strip-shaped automatic magnetic free-stretching data line, a preparation method and application. The data line comprises a flexible coating on the core, a flexible permanent magnetic coating layer in the middle and a flexible outer coating layer from inside to outside, and the preparation method comprises the following steps: step A, extrusion molding; step B, first north-south direction 180° constant magnetic field orientation magnetization, horizontal steering wheel strip-shaped shaping and preliminary forming; and then magnetization, horizontal reverse steering wheel strip-shaped automatic magnetic free-stretching data line. The application aims to solve the phenomenon that the existing technology data line automatic curling magnetic attraction is not completed, and the samarium iron nitrogen magnetic performance of the magnetic crystal anisotropy field which is much higher than other permanent magnetic materials can be better played through the improvement of the magnetization mode, so that the data line has the advantages of temperature resistance, corrosion resistance and demagnetization resistance, and the magnetic layer thickness is not required to be increased to meet the data line attraction requirement.

This invention relates to the field of cables and discloses a flame-retardant extruded insulated low-voltage power cable, comprising a conductor core, an insulation layer, a filling layer, an inner sheath layer, an armor layer, and an outer sheath layer. The sheath layer materials include: low-density polyethylene, EPDM rubber, ethylene-tetrafluoroethylene copolymer, modified halloysite nanotubes, modified ammonium polyphosphate, and additives. The modified halloysite nanotubes are prepared by grafting octaaminopropyl cage-like polysilsesquioxane onto the surface of halloysite nanotubes using a sol-gel method after loading titanium dioxide onto the surface of the halloysite nanotubes. The modified ammonium polyphosphate is prepared by grafting a functionalized silane coupling agent prepared by reacting a cyclotriphosphazene derivative with 3-chloropropyltrimethoxysilane with polysiloxane-coated ammonium polyphosphate. The cyclotriphosphazene derivative is prepared by reacting 3-amino-1,2,4-triazole with hexachlorocyclotriphosphazene and then coordinating with cobalt ions using a hydrothermal method, thereby endowing the material with good mechanical properties, UV resistance, heat and wear resistance, flame retardancy, and antibacterial properties.

The utility model relates to the technical field of FFC (flexible flat cable), and discloses an FFC ring wrapping device, which comprises a fixed box, the left side of the top of the fixed box is fixedly connected with a pay-off assembly, the top of the fixed box is fixedly connected with a conveying assembly, and the right side of the top of the fixed box is fixedly connected with a pressing assembly. The cutting assembly is fixedly connected to the front side of the conveying assembly, the supporting seat is fixedly connected to the right side of the fixing box, the conveying assembly is fixedly connected to the left side of the top of the supporting seat, the pressing assembly is fixedly connected to the top of the supporting seat, and the collecting assembly is fixedly connected to the right side of the top of the supporting seat. And the rear side of the top of the supporting seat is fixedly connected with a control panel. According to the utility model, the pressing of the flat cable is realized, the production efficiency can be greatly improved, a large number of flat cable ring packaging tasks can be rapidly completed through the automatic operation and continuous operation capability, and the product processing time is shortened.