39results about How to "Realize the conductive function" patented technology

The invention provides a rubber gasket of a journal box and a bogie. The rubber gasket of the journal box comprises a rubber injection hole and a conductive mechanism, wherein the rubber injection hole comprises a hollow cavity, a first hole and a second hole, the hollow cavity is formed in a rubber layer, the first hole is formed on an upper lining board, the second hole is formed on a lower lining board, and the hollow cavity, the first hole and the second hole are communicated; and the conductive mechanism is arranged in the rubber injection hole, and both ends of the conductive mechanism penetrate out from the first hole and the second hole respectively and contact with the two conducted components. By the rubber gasket of the journal box and the bogie of the embodiment of the invention, the rubber gasket of the journal box not only can overcome the defects of high requirement on the manufacturing accuracy of the upper lining board and the lower lining board, easy abrasion and easy poor contact with a side frame and an adapter, but also can realize a conductive function.

The embodiment of the invention discloses a keyboard panel. The keyboard panel comprises a PCB substrate and a key bonding pad which is arranged on a first surface of the PCB substrate by a carbon membrane printing graph; the key bonding pad comprises an inner ring and an outer ring, and the outer ring is connected by carbon membrane wiring on the first surface of the PCB substrate. The keyboard panel is applicable to terminal equipment.

The invention belongs to manufacture of fiberglass reinforced polyester (FRP) pipes, and particularly relates to an FRP anode tube and a preparation method thereof. The conductive FRP anode tube is composed of an inner conductive antiseptic layer, a conductive layer, a transition layer and a structure layer, wherein the inner conductive antiseptic layer, the conductive layer, the transition layer and the structure layer are sequentially composited into a whole from inside to outside, two ends of the conductive layer extend and are exposed out of two ends of the conductive FRP anode tube, and the conductive layer is made of metal mesh. The preparation method includes processing steps of cleaning a mould, manufacturing the inner conductive antiseptic layer, manufacturing the conductive layer, manufacturing the transition layer, solidifying for the first time, winding to manufacture the structure layer, solidifying for the second time, demoulding and the like. According to the FRP anode tube and the preparation method thereof, the technical problem in the prior art of being high in product electric resistivity is solved. The existing product has the advantages of being low in electrical resistivity (electric resistance of a DN 300 FRP pipe with the length of 5 meters is 20-30 ohms), reasonable in process design and the like.

The invention provides a liquid metal conductive paste and a preparation method thereof, and an electronic device, and relates to the technical field of new materials. The liquid metal conductive paste provided by the invention comprises, by weight, 5%-30% of a matrix resin, 10%-60% of a conductive filler, 2%-30% of an electron irradiation curing agent, 1%-40% of liquid metal, 10%-30% of a reactive diluent and 0%-10% of an auxiliary agent, wherein the liquid metal is a metal simple substance or alloy with a melting point lower than a room temperature. According to the technical scheme, pollution in a forming process of a conductive circuit can be reduced, and the conductive circuit can be manufactured on a non-temperature-resistant base material.

The invention discloses a conductive anticorrosion coating and a preparation method thereof. The coating is mainly prepared from acrylic resin, an acrylic resin curing agent, a carbon nanotube, spherical graphite, nanometer conductive carbon black, an anticorrosion agent, a diluent, a flame retardant and a solvent. The conductive anticorrosion coating adopts a spraying or brushing mode to preparea conductive and anticorrosion coating layer on the surface of a well-treated workpiece, and can be widely applied to metal structural pieces such as grounding grid devices in the power industry and oil storage devices in the petrochemical industry, achieves the functions of electricity conduction, static electricity conduction and corrosion resistance, and meets the field service requirement. Thepreparation technology of the coating is simple, and industrialized production can be achieved easily.

The invention discloses the technical field of illuminating equipment, and discloses a conductive plate. The conductive plate comprises a conductive surface; conductive strips are arranged on the conductive surface; the conductive strips extend along the length direction of the conductive plate; the conductive strips are covered with conductive films without metallic luster; the problems that dueto the fact that when a metal is directly adopted for conducting electricity, people visually feel unsafe, the exposed metal is prone to oxidation, and the conductivity is affected are solved. According to the utility model, worries of people in the aspect of safety are eliminated, the conductive films isolate the conductive strips from the outside to protect the conductive strips, and the conductive films have good conductivity and can better realize a conductive function.

The invention discloses a preparation method of graphene dry powder for LFP (lithium ferric phosphate) anode paste. The preparation method of graphene dry powder for LFP anode paste comprises the following steps: (1) putting a baked graphene layer into a stirrer, diluting by using NMP (N-methyl pyrrolidinone), and stirring at a low speed till the material is at a wet powder state; (2) adding the baked anode active substances of LFP, SP and PVDF (polyvinylidene fluoride) into the graphene wet powder, and stirring continuously at a low speed for 1-2 hours, thereby preparing anode premix; (3) diluting by using NMP, and stirring the anode premix at a low speed till the anode premix is at a wet powder state and the solid content of the premix is 80%-90%; (4) diluting the premix at the wet powder state by using NMP until the solid content is around 65%, and stirring the premix at a high speed until each component is uniform and dispersive, thereby preparing a mixed material; and (5) beginning to dilute the mixed material when the mixed material generates a pole climbing phenomenon, controlling the solid content of the mixed material to be around 49%, and stirring at a high speed so as to prepare the required paste. The preparation method provided by the invention can effectively disperse graphene and each component of other anode materials without adopting any additive for helping the graphene to disperse, and reduces the influence on the battery performance of substances of the type of additives.

The invention discloses a conductive coating for computers and a preparation method thereof. The coating is mainly prepared from polyester resin, polyester resin curing agent, conductive filler, nano-silver powder, ethyl cellulose, anticorrosive agent, thinner and solvent. The conductive coating for computers which is disclosed by the invention has excellent conductivity; with high adhesion, the conductive coating cannot be easily stripped; moreover, the conductive coating has relatively good corrosion resistance; the preparation method is simple; and the conductive coating is suitable for large-scale production and application.

The invention provides a positioning device with conductive function, which includes a mounting plate, an opening is opened on the mounting plate, a positioning mechanism is installed above the mounting plate, a guide shaft is arranged below the mounting plate, and the guide shaft passes through There is a first spring, and a pressure plate is installed below the guide shaft; a round hole is opened on the pressure plate corresponding to the position of the guide shaft, a conductive copper sleeve is arranged above the pressure plate, and the upper end of the conductive copper sleeve is connected to the first soft conductive belt, The other end of the first conductive soft belt is connected to the positioning mechanism; a wedge is arranged outside the conductive copper sleeve, and the wedge is fixed on the pressing plate, and the upper part of the wedge is in contact with the positioning mechanism; the pressing plate An indenter is arranged below the indenter, and the connection end of the second soft conductive belt is fixed under the indenter, and the indenter and the second soft conductive belt are fixed on the cylinder. The invention only needs one power source to realize the positioning function and the conductive function, has a simple structure, saves control programs, reduces costs, and improves production efficiency.

The invention discloses a grounding protection device and a protection method for a vehicle frame, which is characterized in that it includes a mounting hole arranged at the position of the grounding point on the vehicle frame, and a bolt is inserted in the mounting hole during electrophoresis, and the A cap nut covering the protruding end is connected to the protruding end, and a flat washer placed between the cap nut and the vehicle frame is arranged on the bolt. The vehicle frame ground iron protection device and protection method of the present invention have simple structure and simple operation, can not damage the matrix material, and at the same time help to realize the conductive function of the ground iron point, and have strong practicability and good application prospects.

The invention discloses a method for preparing epoxy resin composite materials from recycled circuit board materials, comprising raw materials, 20-30 parts of circuit board recycled materials, 30-40 parts of epoxy resin prepolymer, and 10-20 parts of curing agent; The method, step A1, breaks the recovered material of the circuit board into small pieces, boils it in a sodium hydroxide solution, washes and dries it with water, then soaks it in an acidic solution, and then carries out a hydrometallurgical method to obtain a metal compound precipitation from the soaking solution ; Step A2, put the metal compound precipitation and sulfur powder into the flask, add DMF, stir until dissolved, add the mixed solution of triethylenetetramine and ethylenediamine and polyvinylpyrrolidone, in a nitrogen atmosphere at 150‑160 °C Reflux reaction for 5-6 hours to prepare modified nanocrystals; step A3, heating the epoxy resin prepolymer to a molten state, adding modified nanocrystals and curing agent for 3-4 hours to prepare epoxy resin composite material .

The invention provides a method of manufacturing a conductive PCM plate, which comprises the following steps: (1) substrate pretreatment: degreasing a substrate through a degreasing tank I and a degreasing tank II, washing the substrate through a washing process, and passivating the substrate; (2) front paint layer applying: coating the substrate after pretreatment with a front paint layer in a coating room, drying the front paint layer in an oven, and curing the front paint layer; (3) back conductive back paint applying: coating the passivated substrate with conductive back paint in the coating room, and drying the conductive back paint in the oven; (4) rolling and cutting: rolling up a roll material, and cutting the roll material into corresponding material pieces of fixed length according to the material requirement; (5) paint layer removing: removing the finishing paint layer and priming paint layer on the front by laser; and (6) protective film applying: cleaning up powder and impurities caused by laser, and applying a corresponding protective film according to the surface property of the coating. Through the method, the problem that local conduction in any area cannot be realized through the conductive PCM plate manufacturing method in the prior art is solved.

The invention discloses a conductive anticorrosive coating and a preparation method thereof. The conductive anticorrosive coating mainly consists of epoxy resin, an epoxy resin curing agent, a composite conductive filler, a preservative, a reactive diluent, a flame retardant and a mixed solvent. The conductive anticorrosive coating provided by the invention is used for preparing a conductive anticorrosive coating layer on the surface of a workpiece well treated in a spray-coating or brush-coating way, and can be widely applied to metal structural elements such as a grounding grid device in the power industry and an oil storing device in the petrochemical industry to realize the functions of electric conducting, electrostatic conducting, anti-corrosion and the like, and therefore, the metal structural elements are capable of meeting the requirements of use on spot. The preparation process of the coating provided by the invention is simple and easy for realization of industrial production.

The invention relates to a device for simulating modular rolling type conductive rotary motion in a vacuum environment. The device comprises an insulating shell, a rolling conductive module, a high-voltage electric brush, an inner ring insulating layer, an outer ring insulating layer, a load resistor, an insulating jackscrew, an insulating mandrel, a vacuum motor and an annular conductive groove.The device provided by the invention is used for simulating the relative rotation of a power transmission key part, namely a conductive rotary joint, of a space super-power and power-expandable spacecraft such as a platform type space solar power station in the electrifying process. By simulating the motion, a basis is provided for detecting the rolling friction / conductive contact performance of the conductive rotary joint, a mechanical friction / electric contact composite damage mechanism and an insulating medium charging and discharging mechanism.

The invention discloses a conductive PUA composite emulsion and a preparation method thereof, raw materials of the conductive PUA composite emulsion comprise a modified nano carbon material, and preparation raw materials of the modified nano carbon material comprise, by weight, 10 parts of graphene oxide, 20-30 parts of multi-walled carbon nanotubes, 1.5-2 parts of a silane coupling agent, 3-4 parts of first polyester polyol, and 5-10 parts of an alcohol diluent. The conductive PUA composite emulsion is good in stability and high in conductivity, and can be well applied to the fields of conductive coatings, electric heating coatings, electromagnetic shielding coatings and the like.

The invention provides an anticorrosion conductive coating for a grounding grid and a preparation method thereof. The anticorrosion conductive coating for the grounding grid is prepared by mixing two components A and B in site according to a mass ratio of 100:2 to 100:8, wherein the component A is prepared by mixing the following substances in percentage by mass and filtering the mixture by a filter screen with a specification of 60 to 100 meshes: 8 to 15 percent of n-butyl acetate, 8 to 15 percent of cellulose acetate butyrate, 8 to 15 percent of natural asphalt, 8 to 15 percent of benzene mixture, 3 to 5 percent of conductive mica powder, 9 to 11 percent of nano graphite powder, 8 to 12 percent of isophorone, 0.3 to 0.7 percent of nano silver powder, 20 to 25 percent of fluorocarbon resin, 3 to 7 percent of propylene glycol methyl ether acetate, 0.1 to 0.3 percent of dispersing agent 923s, 0.05 to 0.15 percent of antifoaming agent 5500 and 0.05 to 0.15 percent of leveling agent 455; the component B is prepared by mixing 20 to 30 percent of a curing agent 3390, 20 to 30 percent of a curing agent TPA-90SB and 40 to 60 percent of n-butyl acetate.