383 results about "Graphene coating" patented technology

The invention relates to the technical field of power transmission, in particular to a moisture-proof cable which sequentially comprises a conductive wire core, a gradient buffer layer, a dynamic sealing layer, a flexible supporting layer and a self-repairing sheath from inside to outside. A gradient buffer layer; the dynamic sealing layer is of a split type sealing structure formed by an outer ring surface sealing lip and an inner ring surface static sealing belt, the outer ring surface sealing lip is formed by embedding a polytetrafluoroethylene fiber reinforcing layer in a silicone rubber matrix, and the surface of the outer ring surface sealing lip is coated with a humidity response type graphene coating; the flexible supporting layer is formed by spirally winding a nickel-titanium alloy belt, and bionic fish scales are welded to the surface of the nickel-titanium alloy belt; the self-repairing sheath is characterized in that a hexagonal honeycomb structure is molded on the outer layer, hydroxyl-terminated polysiloxane and a platinum catalyst are contained in an A-type microcapsule, and modified epoxy resin is contained in a B-type microcapsule. The moisture-proof cable shows excellent corrosion resistance, moisture resistance and self-repairing capability in a humid environment, and can maintain good performance when subjected to external physical impact.

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.

The invention provides a shell, a preparation method thereof and electronic equipment. The shell provided by the embodiment of the invention comprises fiber cloth; the graphene coating is coated on the periphery of a part of the fiber cloth; the surface of the fiber cloth and the surface of the graphene coating are wrapped with the resin layer. The shell provided by the embodiment of the invention has relatively high rigidity and heat conductivity coefficient, and does not affect the transmission of electromagnetic wave signals.

The invention relates to the technical field of power electronic components, and discloses a high-temperature-resistant electrolytic capacitor which comprises the following components in parts by weight: 80-90 parts of a graphene or carbon nanotube coating used for preparing an electrolytic capacitor shell; the invention further provides a preparation method of the high-temperature-resistant electrolytic capacitor, and the preparation method comprises the following steps: heat conduction optimization design: simulating a temperature field of the electrolytic capacitor through an unsteady-state heat conduction equation, optimizing a heat dissipation path of the electrolytic capacitor, and improving the heat dissipation performance of the electrolytic capacitor; and heat can be uniformly conducted to an external heat dissipation device. By introducing the microencapsulated phase change material, the graphene coating and the accurate temperature sensor array and optimizing heat dissipation design, efficient heat dissipation, temperature balance and long-term stability of the electrolytic capacitor in a high-temperature environment are achieved, the working performance of the electrolytic capacitor is remarkably improved, and the service life of the electrolytic capacitor is remarkably prolonged.

The present invention discloses a graphene-coated lithium iron phosphate cathode material and a preparation method thereof, belonging to the technical field of lithium iron phosphate cathode materials. First, iron phosphate is loaded on graphene, and by controlling the pH adjustment time, small-particle-size FePO 4 / GO and large-particle-size FePO 4 / GO are accurately obtained. Iron phosphate is loaded on single-walled carbon nanotubes to prepare FePO 4 / SWCNT. Then, the loaded material and a lithium source are subjected to a pre-calcination reaction to grow and form graphene-coated lithium iron phosphate. Finally, dopamine is oxidized and self-polymerized to form polydopamine, which is coated on the outer layer of the graphene-coated lithium iron phosphate. After calcination and carbonization, a double coating of porous carbon material and graphene is formed. The particle size distribution of the prepared cathode material is optimized by using iron phosphate materials with different particle sizes and shapes to improve its tap density, and the conductivity is improved by graphene coating, endowing the cathode material with excellent electrochemical performance.

An electrical connection for a vehicle and methods of forming an electrical connection for a vehicle. The electrical connection includes a first electrical component including a first joining area. The electrical connection also includes a conductor including a second joining area. The conductor is joined at the second joining area to the first joining area of the first electrical component. In addition, the electrical connection includes a fusion zone formed in the first electrical component in the first joining area. The conductor includes a copper-graphene multilayer composite formed on the surface of the conductor, the composite including at least one of the following composite structures: a) alternating layers of graphene and copper deposited on the substrate, b) graphene particles dispersed in a copper matrix, and c) alternating layers of graphene and copper deposited on a copper foil, wherein the copper foil is wrapped around the substrate.

The invention relates to the technical field of electronic materials, and discloses a multi-layer shielding type insulating sheet, which comprises a shielding layer used for shielding electromagnetic interference and in direct contact with an insulating layer; the insulating layer is used for electric insulation and is tightly connected with the shielding layer and the heat dissipation layer; the heat dissipation layer is used for heat conduction and is arranged on the close side of the insulating layer and the buffer layer; the buffer layer is used for providing mechanical buffer and structural support and is attached to the heat dissipation layer and the surface coating; the surface coating is used for protecting the material surface and arranged on the outer surface of the buffer layer, and the shielding layer is made of one or more of copper foil, aluminum foil and a graphene coating. By adopting the copper foil, the aluminum foil or the graphene coating as the shielding layer, electromagnetic interference from the outside can be effectively shielded, in an experiment, the electromagnetic shielding effectiveness of the insulating sheet can reach 95 dB or above, the insulating sheet particularly shows excellent electromagnetic shielding performance in a high-temperature and high-vibration environment, and stable operation of an internal circuit and equipment is ensured.

A semiconductor device has a carrier. An electrical component is disposed over the carrier. An encapsulant is deposited over the electrical component. A conductive layer is formed over the encapsulant. The conductive layer is deposited as a plurality of graphene-coated metal balls in a matrix. The conductive layer is sintered by intensive pulsed light (IPL) irradiation.

The invention belongs to the field of conductive materials, and particularly relates to antioxidant low-temperature conductive paste and a preparation method thereof. The conductive powder comprises copper powder modified by a surfactant and a graphene coating layer coated on the surface of the copper powder modified by the surfactant. The conductive paste provided by the invention comprises the conductive powder provided by the invention. Compared with traditional conductive copper paste, the conductive paste is more stable. On one hand, the surface of the copper powder is modified, so that the surfaces of copper powder particles are coated with graphene more uniformly, continuous contact is formed among the conductive particles, the contact area is increased, and the conductivity of the whole conductive material is increased; and on the other hand, the surface of the copper powder in the conductive slurry is coated with the graphene, so that the copper powder can be prevented from being oxidized, the sintering and curing condition can be changed from a protective atmosphere to an air atmosphere, the cost is further reduced, and the application range of the conductive slurry is expanded.

The embodiment of the utility model provides a heat pump system. The heat pump system comprises an evaporator, a compressor and a condenser which are communicated in sequence. The evaporator absorbs heat in air to heat a medium, the compressor compresses the medium heated by the evaporator, and the compressed medium is subjected to heat exchange through the condenser; wherein the evaporator comprises an evaporator pipeline and fins arranged on the evaporator pipeline, and a first graphene coating is arranged on the outer surface of each fin; the condenser comprises a shell and a heat exchange tube set, the shell is provided with a containing cavity, the heat exchange tube set is arranged in the containing cavity, and a second graphene coating is arranged on the outer surface of the heat exchange tube set. The working efficiency of the heat pump system is improved.

The present disclosure provides a coated paper product comprising: —a paper or paperboard substrate: —a barrier coating, wherein the barrier coating comprises graphene and a polyolefin copolymer bearing carboxylic acid moieties, wherein the polyolefin copolymer bearing carboxylic acid moieties preferably is ethylene-acrylic acid copolymer (EAA) or ethylene-methacrylic-acid-copolymer (EMAA) or maleic acid ethylene copolymer (MAE), and wherein the graphene content in the barrier coating is 0.3-3 wt %. There is also provided a coated paper product comprising high surface area graphite flakes having an average particle size of 2-7 μm instead of the graphene.

The invention relates to the technical field of capacitors, in particular to a high-thermal-conductivity thin-film capacitor of a graphite material and a preparation method thereof, and the preparation method comprises the following steps: spraying a graphene dispersion liquid on the surface of a thin film, judging the conductive state of a coating, and adjusting winding parameters to control spraying equipment to move; judging whether the graphene layer is uniformly distributed or not, and checking the concentration of the dispersion liquid, or checking the actual layer thickness; the dispersion state of the graphene dispersion liquid is judged, the reason for uneven distribution of the graphene layer is determined, and the ultrasonic treatment duration or spraying parameters are adjusted; spraying parameters are adjusted according to whether the actual layer thickness meets the curing requirement or not, or drying and curing are conducted; determining the curing degree of the graphene coating, winding the film roll material into a capacitor core package, or carrying out thermal stability test on the capacitor core package, calling back the judgment standard of the conductive state of the coating and the distribution of the graphene layer, and adjusting the initial detection length; according to the invention, the working temperature of the capacitor is reduced by coating the high-thermal-conductivity graphene material.

The invention relates to the technical field of composite metal materials, in particular to a silver-coated graphene copper composite material and a preparation method thereof, and aims at solving the problems that traditional silver-coated copper powder is high in silver consumption, copper is oxidized due to the fact that a silver layer is prone to being damaged, and conductivity is insufficient. The method comprises the steps that a graphene coating layer is formed on a copper powder substrate in situ through chemical vapor deposition, and graphene copper powder is obtained; performing etching treatment on the graphene copper powder to controllably expose part of the copper substrate so as to form anchoring points for silver ion deposition; carrying out reduction treatment on the etched graphene copper powder so as to ensure that an anchoring site has chemical activity; in a reductive liquid phase environment, enabling a chemical silver plating solution to react with the graphene copper powder subjected to reduction treatment, and guiding silver ion deposition by utilizing an anchoring point, so as to form a silver coating layer on the surface of the graphene coating layer; and separating and drying the reacted system to obtain the silver-coated graphene copper composite material. The material is better in oxidation resistance and conductivity, and the process is free of waste liquid.

The present invention relates to the technical field of photovoltaic cables, and more specifically, to a cold-resistant and ice-resistant cable for photovoltaic power stations. The cable comprises a conductor layer, an elastic insulating layer, and a protective layer arranged from the inside out. The cable further comprises a buffer assembly, and the buffer assembly comprises a fixed part and a movable part. In the present invention, when ice particles contact the surface of the cable, the graphene coating deforms inward, so that the impact of the ice particles is transmitted through the graphene coating to the rubber membrane layer, and the rubber membrane layer then drives the movable rod to move into the insulating tube. During the movement, the rubber membrane layer itself squeezes the outer shielding layer and the inner insulating layer, causing the outer shielding layer and the inner insulating layer to undergo elastic deformation, and the movement of the movable rod drives the connecting ring to move downward, and then pulls the auxiliary elastic ropes on both sides through the connecting ring, causing the auxiliary elastic ropes to undergo elastic deformation, further eliminating the impact of the ice particles, thereby achieving force unloading treatment of the impact and avoiding damage to the cable cortex.

The invention discloses a composite resin material for packaging a fuel cell and a preparation method of the composite resin material. The composite resin comprises bisphenol F type epoxy resin, alicyclic epoxy resin, acrylate resin, a toughening agent, nano silicon dioxide particles, a long-chain aliphatic amine curing agent, an imidazole accelerant and graphene coating carbon fibers. Bisphenol F and alicyclic epoxy resin are compounded, acrylate resin is combined to form a rigid-flexible three-dimensional network matrix, nano-silica treated by a silane coupling agent is introduced to improve moisture resistance, and graphene coating carbon fibers with oxygen-containing groups on the surface are utilized to enhance interface bonding force. And a cross-linked network is regulated and controlled through the coordination of the long-chain fatty amine curing agent and the imidazole accelerant. The obtained composite resin has excellent temperature resistance, moisture resistance, mechanical properties and interface bonding strength, effectively solves the problem of performance degradation of a traditional packaging material in high-temperature, high-humidity and corrosive environments, and meets the strict use requirements of fuel cells.

Some embodiments of the present disclosure relate to a roofing material, wherein the roofing material may comprise a plurality of coated roofing granules, wherein each of the plurality of the coated roofing granules may comprise a roofing granule having an outer surface; and a granule coating, wherein the granule coating is disposed on at least a portion of the outer surface of the roofing granule, and wherein the granule coating comprises graphene. Some embodiments of the present disclosure relate to a roofing material, wherein the roofing material may further comprise a reflective base coating, wherein the reflective base coating is positioned between the outer surface of the roofing granule and the granule coating.

The invention discloses an intelligent high-safety lithium battery fault experiment device and a prediction control system. A four-layer composite protection cover and a multispectral monitoring window are integrated, and a three-dimensional safety barrier is formed from physical protection to real-time monitoring. The four layers of protective covers resist impact through the metal alloy layer, absorb energy through the honeycomb layer, insulate heat through the ceramic layer and uniformly dissipate heat through the graphene coating, so that thermal runaway diffusion is effectively inhibited; the multispectral monitoring window is combined with infrared thermal imaging and high-speed camera shooting, temperature abnormity and battery deformation are captured in real time, and accurate data support is provided for early warning. An LSTM model carried by the edge calculation unit predicts the thermal runaway risk 5-10 minutes ahead of time by fusing the temperature gradient, the gas concentration change and the voltage spectrum characteristics, triggers a grading response strategy, and forms a progressive active protection mechanism from sound-light alarm and liquid nitrogen directional cooling to millisecond power failure and aerosol fire extinguishing; and the device is suitable for electric vehicle battery packs and other complex scenes, and the scientific research practicability and industry universality of the device are remarkably improved.

A self-cooling overhead bare conductor relates to the technical field of power transmission equipment and structurally comprises a conductor substrate, a graphene coating used for radiating heat is arranged on a backlight surface of the conductor substrate, and the coverage range of the graphene coating in the circumferential direction of the conductor substrate is 120-180 degrees. The graphene coating is arranged in a segmented mode in the length direction of the wire base body, the length of each segment of the graphene coating is 5 / 3-2 times of the diameter of the wire base body, and the distance between every two adjacent segments of the graphene coating is 0.85-1 time of the diameter of the wire base body. Sand blasting treatment is carried out on the joint face of the wire base body and the graphene coating, the surface roughness is Ra3.2-6.3 microns, oxidation films and impurities on the surface of the wire base body are removed, the adhesive force of the graphene coating is enhanced, and the thickness of the graphene coating is 40-80 microns. According to the invention, the technical problem of current limiting caused by temperature rise of the wire can be solved.

The utility model discloses a diving fabric implanted with patterns. The diving fabric comprises a foamed chloroprene rubber sponge sheet, a graphene coating, a patch, a floral pattern layer and a titanium coating. The foamed chloroprene rubber sponge sheet subjected to compression treatment is used as a base material, the compressed sponge sheet is higher in apparent density, the internal hash molecular structure of the sponge sheet is tighter, the surface of the sponge sheet is smoother, printing materials such as printing ink can better permeate into the surface layer of the sponge sheet, and patterns and the sponge sheet are fused together; a layer of textile fabric does not need to be added between the floral patterns and the sponge sheet, the floral patterns can be better presented while environmental protection is achieved, and the service life of the floral patterns is prolonged. In addition, the titanium coating enables the floral patterns to be better in oxidation resistance and friction resistance, the floral patterns printed on the sponge sheet can be better protected, the corrosion resistance and abrasion resistance of the floral patterns in a seawater environment are improved, the service life of the floral patterns is prolonged, and the attractiveness of the floral patterns is improved.

A method for coating a metallic surface by a graphene layer by depositing a graphene molecular precursor comprising a compound having an aromatic hydrocarbon component that is derivatized by a tethering group. The tethering groups react with the metallic surface to form a covalent bond between the compound of the graphene molecular precursor and the non-metallic surface, and the graphene molecular precursor is transformed into a graphene interfacial layer which is covalently bound to the non-metallic surface.

The application discloses a graphene-diamond composite coating and a preparation method and application thereof, and belongs to the technical field of materials. The graphene-diamond composite coating comprises a diamond coating and a graphene coating; graphene sp2 bond structure is covalently combined with diamond sp3 bond structure; and the graphene coating has a graphene structure with non-parallel growth mainly in a vertical direction. The graphene-diamond composite coating has small lattice mismatch between the diamond and the graphene, avoids volume expansion caused in a friction heat process, and has the advantages that the diamond coating can provide a support layer for the graphene, forms super-strong C-C covalent bonds at an interface, and significantly improves the adhesion strength of the graphene; the graphene can avoid brittle fracture of the diamond, and significantly improves the lubricating performance of the surface of the diamond coating. The composite coating has better wear resistance, a low friction coefficient and excellent oxidation resistance, and can remain stable under high-temperature and high-load working conditions, so that the service life and processing efficiency of wear-resistant parts are improved.

The invention discloses a preparation method of a graphene composite coating with multifunctional characteristics, which comprises the following steps: processing a substrate, coating a carbon source polymer solution on the surface of a substrate material to form a polymer liquid film, and treating a polymer to form a polymer film; laser induction: carbonizing the polymer film by using laser to form a laser-induced graphene (LIG) coating; functional particles are added, nanoparticles are doped on the surface of the LIG coating in a coating mode, and a composite structure is formed; integrating the multifunctional coating, and forming the graphene-based multifunctional composite coating through post-treatment.

The invention is suitable for the field of optical fiber sensing technology and power equipment detection, and provides an RC algorithm-assisted optical fiber partial discharge detection system and a high-speed signal inquiry method. The system comprises a mode-locked laser, a dispersion compensation optical fiber, an erbium-doped optical fiber amplifier, a first optical fiber coupler, a single-mode optical fiber, an adjustable optical fiber delay line, a second optical fiber coupler, a sensing unit, a photoelectric detector, an oscilloscope and a PC terminal, and the sensing unit is a micro-nano optical fiber coupler and comprises an input end, an output end and a ZnO composite graphene coating area. The PC terminal inquires a signal through an RC algorithm, the RC algorithm is composed of an input layer, a storage layer and an output layer, the sensing method is that the wavelength of an ultra-short optical pulse is mapped to time, a non-equilibrium dispersion MZI structure carries out chirp frequency coding on the broadened optical pulse, the RC algorithm optimizes a data processing method, and the inquiry speed is further improved by five times. In addition, through combination of mapping from wavelength to time, chirp frequency coding and an RC algorithm, high sensing system stability and high demodulation speed are realized.

The invention discloses a static pressure forming process for a stainless steel marine pipeline. The performance of the pipeline is improved through material optimization and process innovation. The method comprises the following steps: selecting materials according to a service environment and carrying out cold rolling-annealing pretreatment: respectively carrying out 30%-40% cold rolling on 316L and 2205 dual-phase steel or N08367 corresponding to different working conditions, then carrying out protective atmosphere recrystallization annealing and water quenching at the temperature of more than or equal to 200 DEG C / s, and cooperating with pulse laser cleaning to retain a CrOfilm; in the forming stage, a silicon-based shear thickening fluid medium is adopted, segmented pressurization is matched with axial tension regulation, and the wall thickness deviation is smaller than or equal to 0.1 mm. And optimizing the 2205 steel phase proportion through subsequent pulsed magnetic field annealing. Electrochemical polishing Ra < = 0.15 mu m and a graphene coating are adopted for surface finishing, so that the fluid resistance is reduced, and the salt mist service life is 3 times that of a traditional process. According to the technology, through the synergistic effect of fluid dynamic response and magnetic field regulation and control, the problems that a traditional formed wall is uneven in thickness, insufficient in corrosion resistance and the like are solved.

The invention discloses a rare earth aluminum alloy cable material, a preparation method and application of the rare earth aluminum alloy cable material to a power transmission line, the cable material comprises, based on the total weight, 0.3-0.6 wt% of Er, 0.1-0.3 wt% of Yb, 0.05-0.15 wt% of Ce, 0.35-0.5 wt% of Mg, 0.2-1.5 wt% of Cu, 0.1-2.5 wt% of nano SiC particles, 0.1-0.3 wt% of graphene and the balance Al and impurities, the cable material is designed by adopting a three-layer gradient structure, the middle layer contains 0.1-0.2 wt% of Er and 0.01-0.2 wt% of graphene, and the core layer contains 0.5-0.6 wt% of Er and less than 0.01 wt% of graphene; during preparation, the composite wire with the thickness ratio of the core layer to the middle layer being 1: 3-3: 1 is formed through argon protection smelting, ultrasonic dispersion of nano-particles and static magnetic field assisted co-extrusion, and the surface roughness is enhanced in combination with micro-arc oxidation (Ra = 0.5-1.5 microns). The cable material is excellent in tensile strength, dynamic fatigue life, electromagnetic shielding performance and corrosion resistance through Er gradient distribution, SiC / graphene coating and multi-scale interface synergistic effect.

The utility model discloses an efficient mixing and stirring device for graphene coating, and relates to the technical field of graphene coating processing, the efficient mixing and stirring device comprises a stirring tank, a sealing cover is arranged above the stirring tank, the outer surface of the stirring tank is fixedly connected with a group of supporting legs, the upper surface of the sealing cover is fixedly communicated with a feeding pipe, and a stirring mechanism is arranged in the stirring tank. A displacement mechanism is arranged outside the stirring tank, a water spraying mechanism is arranged outside the stirring tank, the bottom surface of the stirring tank is fixedly communicated with a discharging pipe, and an ultrasonic vibration device is mounted outside the stirring tank. By arranging the stirring tank, the stirring mechanism, the displacement mechanism and the water spraying mechanism, during use, a stirring assembly in the stirring mechanism can be gradually moved out of the stirring tank by utilizing the arranged displacement mechanism, and the moved-out stirring assembly can be washed by utilizing the arranged water spraying mechanism, so that solidified materials on the surface of the stirring assembly are washed away; the problem that an existing device is difficult to remove the materials is solved, and the service life of the device is effectively prolonged.

The invention provides a preparation method and device of a graphene metal composite material. The preparation method comprises the steps that a metal raw material is prefabricated into metal liquid or metal powder or metal powder coated with a carbon source; a prefabricated metal raw material is sprayed to the first reaction area, and metal powder with the solid metal powder surface is prepared; the metal powder with the solid surface is put into a second reaction area, the metal powder is heated until part or all of the surface of the metal powder is in a liquid state, graphene is deposited on the surface of the metal powder, and a graphene metal compound is obtained; wherein the temperature of the second reaction zone is higher than that of the first reaction zone; the graphene metal compound is put into a cooling area to be cooled, and the graphene metal composite material is obtained; wherein the temperature of the cooling zone is lower than that of the first reaction zone. The invention aims to solve the technical defects of small graphene coating area and low quality in the graphene metal composite material obtained in the prior art.

The invention discloses an H-shaped armature of an electromagnetic rail gun, and belongs to the technical field of electromagnetic emission. The wind power generation device comprises a windward front surface, a windward curved surface, a windward inner surface, a top surface, a bottom surface, side surfaces, a leeward front surface, a leeward curved surface and a leeward inner surface, the graphene film is characterized in that both the top surface and the bottom surface are coated with graphene. According to the invention, the stability in electromagnetic emission is better, the emission efficiency can be effectively improved, and the graphene coating is coated on the surface of the armature in combination with the shape, so that the armature can reach a higher average speed and has a better arc ablation resistance effect, and the armature also has a certain lubrication effect; the conductive filler can be used as a good interface conductive filler to improve the contact state of a pivot rail interface. Therefore, the problems of'planing ', 'ablation', 'adhesion ', 'transition' and the like in the electromagnetic gun launching process are further improved.

The invention discloses an anticorrosive graphene coating and a preparation method thereof, and belongs to the technical field of coating preparation, and the coating comprises the following components in parts by weight: 80-95 parts of water-borne epoxy resin, 8.5-9.5 parts of graphene anticorrosive filler, 0.5-1 part of a flatting agent, 0.5-1 part of a defoaming agent, 7-9 parts of a curing agent and 0.2-0.3 part of a dispersing agent. The addition of the phytic acid solution and the pretreatment of the Na-montmorillonite can synergistically enhance the impact resistance and corrosion resistance of the coating prepared by the invention.

The invention relates to the technical field of bionic electronic skin and flexible sensing materials, in particular to an AF / rGO fiber tactile system and method.The AF / rGO fiber tactile system and method.The AF / rGO fiber tactile system and method are specifically characterized in that aramid 1414 fibers are adopted as a base material, subjected to ultrasonic cleaning and then repeatedly soaked in a graphene oxide solution, a graphene oxide coating is loaded on the surface of the aramid 1414 fibers, and the AF / rGO fiber tactile system is obtained; reducing into a graphene oxide coating by utilizing steam reduction, and performing hot pressing synergism to prepare an AF / rGO fiber sensor; the piezoresistive and thermosensitive effects of the fiber are utilized, the fiber serves as a core material of the sensor and is connected with two electrodes to be assembled into the sensor, mechanical and temperature stimulation is converted into resistance signal change, and the pressure and temperature sensing capacity of the skin is simulated through multi-mode fusion and signal processing. Based on the contact resistance dynamic response of the micro-scale structure, combining a neural network algorithm to realize fabric recognition and gesture recognition; and meanwhile, fire early warning is triggered through temperature resistance signal change by utilizing the flame-retardant characteristic of the aramid fiber substrate.