40results about How to "Capable of self-healing" patented technology

The invention discloses a preparation method for a self-repairing coating material and application thereof. The coating material comprises a material of a repairing layer located at an inner layer and the material of a surface layer located at an outer layer; urea-formaldehyde resin coated epoxy resin microcapsule (EP-UF microcapsule) is added into the repairing layer so as to provide an epoxy resin (EP) repairing agent; and the repairing agent repairs damages through the action with a curing agent in the surface layer. The self-repairing coating has a self-repairing function, the advantages of large adhesion force to a matrix, high surface hardness, good flame retardancy, excellent surface decorativeness and corrosion resistance, etc., and the characteristics of simple and convenient molding process, low technical requirements and good decorativeness and self-repairability, and is applicable to surface coating of a variety of resin-based composite plate materials.

A caterpillar belt type moving robot able to be butt-connected with another robot to form a robot group in order to run on complex road or climb over obstruction is composed of equivalent ball joint mechanism, front and back connection parts, left and right caterpillar belt mechanisms, and fastening mechanism for butt connection.

The invention discloses a long-service-life drill bit with self-repairing capacity, and belongs to the technical field of drilling equipment for petroleum and natural gas, mine engineering, building foundation engineering construction, geology, hydrology and the like. The long-service-life drill bit with the self-repairing capacity comprises a drill bit body and at least one blade; a plurality of first groups of cutting teeth are formed in the blade; slots are formed in the tooth distribution surface of the blade and / or the gauge protection surface of the blade and are used for fixing the first groups of the cutting teeth; at least one empty groove and at least one second group of cutting teeth are formed in at least one blade; slots are formed in the empty groove and are used for fixing the second group of the cutting teeth; at least part cutting edges of the second group of the cutting teeth are exposed from the inner surface of the empty groove. According to the long-service-life drill bit with the self-repairing capacity, after the cutting teeth in a certain area of the drill bit is worn completely, new cutting teeth can be exposed naturally to realize self-repairing of the drill bit, so that the self-repaired drill bit can drill continuously and effectively.

The invention discloses a client program repair method. The method comprises the following steps: when responding to a client program start operation, sending a first request for acquiring an original / latest-version first file information list of the client program to a server; comparing the first file information list returned from the server with a local second file information list of the client program so as to determine a local file required to be repaired in the client program; sending a second request for acquiring an original / latest file corresponding to the local file required to be repaired to the server; and repairing the file required to be repaired by use of the original / latest file returned from the server. The embodiment of the invention further discloses a client program repair device and system, and the server.

The invention discloses a preparation method of highly-elastic self-repairing odorless weather-resistant modified asphalt, which comprises the following three steps: preparation of reclaimed rubber particles, preparation of reclaimed rubber mother liquor and SBS co-crosslinking development. The method includes 1) a step of preparing the reclaimed rubber particles, namely a step of desulfurizing tire rubber powder by a double-screw extrusion method, and carrying out shear granulation to obtain the reclaimed rubber particles; 2) a step of preparing the reclaimed rubber mother liquor, namely a step of mixing the reclaimed rubber particles obtained in the step 1 with matrix asphalt according to a mass ratio of 34 / 66 to 68 / 32, enabling the reclaimed rubber particles to be soaked and developed in the matrix asphalt for 0.8-1.6 hours at the temperature of 163-173 DEG C, and then shearing for 20-30 minutes in high-speed shearing equipment to obtain the reclaimed rubber mother liquor; and 3) astep of co-crosslinking development. According to the preparation method disclosed by the invention, the cost can be saved while a large amount of waste tires are consumed, the environmental protection property in the production process is extremely good, and a finished product not only has excellent elasticity, high and low temperature properties, medium temperature fatigue resistance, noise reduction property and ultraviolet aging resistance, but also is higher in hardness and has a self-repairing capability.

The invention provides an underwater robot-oriented underwater networking method. The method comprises the steps of creating an underwater communication network topology and a communication protocol that target underwater robots for multiple robots in water; according to the created underwater communication network topology and communication protocol, allocating a unique address and a broadcast address to each node in the network; when a robot requests to send data to another robot, designing an underwater electric field communication network layer routing protocol according to Ad hoc On-demand Distance Vector Routing, previously, building a route from a source node to a destination node through broadcast information, then selecting, by a robot as the source node and a robot as the destination node, a communication link according to a routing table and communicating with each other; and if the communication link is disconnected, initiating a route maintenance mechanism, after the linkrecovers, continuing to send data. The method has the advantages that less energy is consumed, networking is performed quickly, nodes are increased and decreased flexibly, and the communication link can recover automatically.

The invention relates to an intelligent monitoring system and method for a seismic station and aims at solving the problems of low efficiency and high cost caused by the fact that discovery, solutions and daily maintenance of failures of the seismic station mainly depend on manpower in the prior art. Specific processes are as follows: the intelligent monitoring system for the seismic station comprises an equipment management subsystem, an intelligent power supply subsystem, a redundant communication management subsystem and an environment monitoring and safety monitoring subsystem; the equipment management subsystem comprises a seismological data acquiring and monitoring module; the environment monitoring and safety monitoring subsystem comprises an infrared sensor monitoring module, a water intrusion and leakage sensor monitoring module, a temperature and humidity sensor monitoring module, a video monitoring module, a lightning-protection earth-screen monitoring module, a lightning early-warning and monitoring module, an intelligent power supply system monitoring module and a redundant communication management module. The intelligent monitoring system and method are used in the field of the seismic station monitoring.

The invention discloses a solid aluminum electrolytic capacitor with a self-repair function. The solid aluminum electrolytic capacitor comprises a housing and a core package, wherein the core packageis hermetically arranged in the housing and comprises an anode foil, a cathode foil and electrolytic paper; the anode foil, the electrolytic paper and the cathode foil are sequentially laminated and wound into the core package; the electrolytic paper is carbonized and then forms a solid conductive polymer layer between the anode foil and the cathode foil; a gelatinous prosthesis is formed on the solid conductive polymer layer; and the prosthesis comprises a gel rack and a repair electrolyte solution; and the repair electrolyte solution is attached to the gel rack. According to the solid aluminum electrolytic capacitor, the capacitor can be provided with high conductivity by a solid electrolyte; the solid electrolyte is in a relatively ''loose'' state between the anode foil and the cathodefoil, the prosthesis in a gel state is formed in the loose state, and the prosthesis contains a little of repair electrolyte solution of an oxide film on the surface of the anode foil, so that the solid aluminum electrolytic capacitor also has certain self-repair capacity, thereby improving the performance of a product.

The invention discloses a self-repairing antibacterial polyurethane coating and a preparation method thereof, and relates to the field of polyurethane coatings. When the self-repairing antibacterial polyurethane coating is prepared, amino silicon oil, polyester polyol and isocyanate are used for jointly preparing a polyurethane coating material, then modified graphene is added, the self-repairing antibacterial polyurethane coating material is prepared, and finally coating is conducted. The amino silicon oil is prepared by adding 2, 3-epoxypropyl trimethyl ammonium chloride to react when the amino silicon oil is prepared; and the modified graphene is prepared by grafting 2-(N, N-dimethylamino) ethylamino dithiocarboxylic acid onto graphene oxide and then performing reduction. The self-repairing antibacterial polyurethane coating prepared by the preparation method disclosed by the invention not only has self-repairing antibacterial capability, but also has relatively good water resistance and hydrophobicity.

The invention relates to the technical field of polymer hydrogel, in particular to chitosan / polysulphobetaine ionic and covalent double-network hydrogel and a production method thereof. The chitosan / polysulphobetaine ionic and covalent double-network hydrogel is of a double-network structure, and is formed through interpenetration of a first network and a second network, wherein the first networkis a physical cross-linking network formed through coordination of chitosan and multivalent anions, the second network is a chemical cross-linking network formed by polysulphobetaine, and the first network interpenetrates the second network. The produced double-network hydrogel has excellent obdurability and elasticity, further has good antibacterial performance, nonspecific protein adsorption resistance performance and cell adhesion resistance performance, and thus has wide application prospects in the field of biomedical application; and a production method is concise, efficient and environmentally friendly.

The invention provides burn department biogel capable of accelerating wound healing and a preparation method of the burn department biogel. The preparation method comprises the following steps: firstly, carrying out oxidation reaction on bacterial nanocellulose by adopting sodium periodate to prepare modified bacterial nanocellulose; then, dispersing the modified bacterial nano-cellulose into water to prepare modified bacterial nano-cellulose dispersion liquid, and mixing the modified bacterial nano-cellulose dispersion liquid with a sodium alginate solution to obtain mixed liquid; then, mixing and stirring the mixed solution and a collagen swelling solution, and then putting the mixture into a boric acid and calcium chloride mixed crosslinking aqueous solution to carry out crosslinking reaction, so as to prepare composite biogel; and finally, soaking the composite biogel in a polyhexamethylene hydrochloric acid solution to prepare the biogel for the burn department for accelerating wound healing. The burn department biogel for accelerating wound healing prepared by the invention has excellent stability and thermal reversible self-repairing performance, and also has excellent biocompatibility, water absorption swelling property and broad-spectrum antibacterial performance.

The invention discloses modified oxidized graphene lubricating oil. The modified oxidized graphene lubricating oil comprises the following preparation raw materials in parts by weight: 100 parts of base oil, 1 to 3 parts of polyethylene wax, 0.01 to 1 part of 2,6-di-tert-butylphenol, 0.1 to 2 parts of diphenylamine, 0.1 to 1 part of sorbitan fatty acid ester, 0.1 to 1 part of dimethicone, 0.1 to 2parts of sodium citrate and 1 to 10 parts of polyphosphazene coated oxidized graphene. The modified oxidized graphene lubricating oil disclosed by the invention is good in compression resistance andabrasion resistance, high in oxidation stability, superhigh in self-repairing capability, and high in leakproofness and self-cleaning capability, thereby having a good market prospect.

The invention discloses an end-to-end speech recognition system based on deep learning. The system includes: an acoustic model, which sequentially comprises a VGG-Net layer, a first full connection layer, a bidirectional RNN layer, a second full connection layer, a Softmax layer and a CTC layer, and is used for extracting two-dimensional FBank features of an audio, performing network processing toobtain probability distribution of each time step, and outputting a candidate pinyin sequence according to an entropy result of the probability distribution of time steps; a language model, which isconnected to the acoustic model and comprises a Transformer encoder and an n-gram model; wherein the Transformer encoder is used for outputting a Chinese character sequence with a same length according to the input candidate pinyin sequence, and the n-gram model is used for processing the output Chinese character sequence and selecting a target Chinese character text for output. According to the method, a final recognition result most conforming to a current context and human expression habits can be obtained.

The invention belongs to the technical field of super-lubricating thin films, and relates to an ultra-lubricating solid thin film with space environment adaptability. The thin film is composed of an anti-hydrogen-diffusion layer, a hydrogen-storage middle layer and an ultra-lubricating function layer located on a substrate in sequence, wherein the anti-hydrogen-diffusion layer is a compact with the largest crystal surface spacing less than 0.25 nm, the hydrogen-storage middle layer is a hydrogen storage material with the dehydrogenation temperature higher than that of the space environment temperature, and the ultra-lubrication functional layer comprises a-C:H. The ultra-lubricating solid thin film has the advantages that the service requirements of spacecraft movable parts can be met in the aspects of service life, friction coefficient stability and the like.

The invention discloses an energy-saving consumption-reducing method for an air compressor. According to the key points of the technical scheme, the method is characterized by specifically comprisingthe steps that S1, state perception is carried out, particularly, working data of the air compressor is acquired by means of a data acquisition and control terminal MIG250S, the acquired data is processed, the acquired working data of the air compressor and the processed data are stored by means of the acquisition and control terminal MIG250S and uploaded to a cloud end; S2, real-time analysis iscarried out, particularly, the control terminal MIG250S transmits the acquired data and the processed data into an algorithm model through a brain-imitating neural network algorithm, and an estimatedvalue is obtained through mathematical operation of an algorithm model; S3, scientific decision making is carried out; and S4, accurate execution is carried out, particularly, according to the optimized data, whether the air compressor works or not, the working duration and the working power are controlled by means of the control terminal MIG250S, and meanwhile the working information and the energy-saving total amount of the air compressor are recorded and uploaded to the cloud end.

The invention relates to a wire insulation sheath material with a self-repairing function and a preparation method of the wire insulation sheath material, and the preparation method specifically comprises the following steps: adding polydimethylsiloxane into a solvent, conducting stirring and heating, adding polyisocyanate, conducting heating for reaction to obtain a polyurethane prepolymer, adding polyvinyl chloride and chlorinated rubber, and continuously conducting reacting for 3-5 hours; and sequentially adding a disulfide bond-containing chain extender, conducting heating to 100-120 DEG C, conducting reacting for 5-8 hours, finally adding activated calcium carbonate, talcum powder, aluminum oxide and a flame retardant, and conducting stirring for 3-5 hours at the temperature of 100-120 DEG C to obtain the wire insulation sheath material. The wire insulation sheath material prepared by the invention not only has excellent properties of polyurethane and organic silicon materials, but also can complete a high-efficiency self-repairing process under mild conditions to protect internal wires from being damaged.

The invention discloses an air conditioner. The air conditioner comprises an outdoor unit, an indoor unit and a control device. The control device is used for generating a corresponding fault code according to a first fault detection signal obtained when the air conditioner has a fault, inquiring in a prestored database to obtain the fault type corresponding to the fault code, calculating fault correction parameters according to the fault type and fault shutdown data of the first fault detection signal and controlling the air conditioner to restart and operate according to normal operation parameters of the air conditioner and the fault correction parameters. The invention further discloses a control method of the air conditioner. The control method is applied to the air conditioner. Through the air conditioner and the control method thereof disclosed by the invention, the air conditioner can be automatically adjusted and corrected in case of a fault, and the automation degree and usability of the air conditioner are improved.

The invention discloses a self-repairing emulsion with a core-shell structure as well as a preparation method and application thereof. The emulsion is prepared from the following components in parts by mass: 4.5-7.5 parts of an emulsifier; 8-13 parts of a soft monomer; 28-44 parts of a hard monomer; 1.1-2.3 parts of acrylic acid; 1.5-4 parts of N-butoxy methyl acrylamide; 1.5-4 parts of ethylidene urea ethyoxyl methacrylate; 1-2 parts of acrylonitrile; 3.5-7.5 parts of a thermal initiator; and 45-55 parts of water. According to the invention, a large number of N-H bonds and CN bonds with very high polarity are introduced, so that the self-repairing capability is realized, and the resin has a relatively low film-forming temperature under the condition of a relatively high glass transition temperature, so that the stain resistance and scrubbing resistance of the coating can be greatly improved.

The invention provides an environment monitoring system and an environment monitoring method. The environment monitoring system comprises a control module, an environment testing module, a monitoring module and a database module, wherein the environment testing module is connected with the control module, the environment testing module detects the smoothness of a testing environment in the environment monitoring system under the control of the control module; the monitoring module is connected with the control module and the environment testing module, and the monitoring module carries out monitoring on the operating state of a test terminal based on a test result of the environment testing module under the control of the control module; and the database module is connected with the control module and the monitoring module, and the database module stores a monitoring result of the monitoring module and judges whether the test terminal operates normally or not based on the stored monitoring result. The whole process does not need a test engineer to carry out manual monitoring on the testing environment any more, thereby greatly saving the time of the test engineer, and improving the work efficiency of the test engineer at the same time.

The invention belongs to the technical field of coating preparation, and in particular relates to an anti-corrosion, hydrophobic and antibacterial coating in seawater and a preparation method thereof. The preparation method comprises: using α,ω-dihydroxypolysiloxane and methyl hydrogen-containing silicone oil as the The raw material is doped with 2-hydroxyphosphonoacetic acid to prepare silicone rubber foam, and then mesoporous silica is prepared on the foam and modified with γ-mercaptopropyltrimethoxysilane, and then mercaptobenzothiazole is loaded to obtain a composite material, Then use the composite material, vinyl resin, and 2-phenylimidazole as raw materials to treat and coat the surface of the substrate, and then spray a layer of CdS-ZnO on the surface to obtain the coating of the present invention. The anti-corrosion hydrophobic and anti-bacterial coating of the present invention has good hydrophobic and anti-bacterial performance and corrosion resistance, and has an excellent anti-corrosion effect in seawater.

A non-invasive high-voltage power transmission cable online automatic maintenance and defect repair system. The system comprises: a high-voltage power transmission cable (101) having a polypropylene-iron oxide nanocomposite material as an insulation material; and multiple non-invasive high-frequency current excitation devices (102, 103, . . . , 10N). The multiple non-invasive high-frequency current excitation devices are arranged at an equal distance therebetween, and each non-invasive high-frequency current excitation device surrounds the high-voltage power transmission cable, and is configured to non-invasively inject a high-frequency current into the high-voltage power transmission cable, and to automatically realize magnetic heating and heat insulation of the polypropylene-iron oxide nanocomposite material, so as to autonomously repair an initial electrical tree defect in the insulation material. The system can increase the service life of a power transmission cable, reduce a failure rate of a power transmission system and improve the reliability of the power transmission system.

The invention relates to a rubber sealing valve, and belongs to the technical field of rubber sealing parts. The rubber sealing valve comprises a metal valve, an organic silicon adhesive and a sealing ring; the sealing ring is adhered to the metal valve through the organic silicon adhesive, and the sealing ring at least comprises the following raw materials by mass: 30-40 parts of a filler; 2-3 parts of zinc oxide; 6-12 parts of a functional auxiliary agent; 0.5-1 part of a vulcanizing aid; 1-2 parts of a peroxide vulcanizing agent; and 45-55 parts of ethylene propylene diene monomer raw rubber. The metal adhesive has the effects that the bonding strength between the metal adhesive and the rubber sealing ring is improved, so that secondary gluing is simplified into primary gluing, and the production efficiency is improved.

The invention relates to an ecological concrete embankment and a construction method thereof.According to the ecological concrete embankment, due to the fact that ecological green belts are arranged on the top of the embankment, ecological tanks are formed in the upstream face, flood drainage reverse valve tubes are pre-buried in an embankment body which communicates a river channel ecosystem with a river bank land ecosystem, the embankment, a river bank and a river channel form an ecological circulating system, and the purpose of ecological restoration is achieved; by means of automatic circulation, the later maintenance cost is reduced, and formation and growth of original ecological biotic communities can be promoted; by means of combination of plants and concrete materials, a certain structural strength is achieved, and instability and erosion of the slope surface and the slope toe can be relieved; meanwhile, symbiosis and reproduction of multiple types of organisms can be achieved, the self-repairing capacity and purifying function are achieved, and conditions are created for growth of aquatic plants, breeding of aquatic animals and habitat reproduction activities of amphibians.

The invention discloses a self-cleaning self-repairing coating material for a fabric and a method for preparing the self-cleaning self-repairing coating material for the fabric. The coating material is a mixed solution of silane modified poxy resin prepolymer and a curing agent, wherein the curing agent contains at least two maleimide groups, and the mass ratio of the silane modified poxy resin prepolymer to the curing agent is 2:1-4:1. The coating material not only has the self-cleaning capacity, but also has the self-repairing capacity after heating, and chemical damage repairing and physical wear repairing can be achieved, and the coating material can be recycled. The method for preparing a self-cleaning self-repairing coating for the fabric comprises the following steps that 1, the silane modified poxy resin prepolymer is prepared; 2, the silane modified poxy resin prepolymer and the curing agent are mixed in proportion, and dissolved in the organic solvent, and a coating solutionis obtained; 3, the coating solution is applied to the fabric surface, after automatic leveling, the fabric is put into an oven for solidification, and the self-cleaning self-repairing coating is obtained on the fabric surface.

The invention discloses a preparation method and application of a self-repairing coating material. The coating material includes an inner repairing layer material and an outer layer material, and urea-formaldehyde resin is added to the repairing layer to coat epoxy resin microcapsules (EP ‑UF microcapsules) to provide an epoxy (EP) repair agent that repairs damage by interacting with the curing agent in the surface layer. In addition to the self-healing function, the self-healing coating also has the advantages of large substrate adhesion, high surface hardness, good flame retardancy, excellent surface decoration and corrosion resistance, and has the advantages of simple molding process, low technical requirements, decorative It is suitable for the surface coating of various resin-based composite panels due to its good properties of safety and self-healing.

The invention discloses a ferro-silicon nitride / alumina-chrome slag refractory matter for a cement kiln transition zone and a preparation method of the refractory matter, and belongs to the field of refractory matters. The refractory matter consists of the following raw materials: alumina-chrome slag, alumina micro powder and ferro-silicon nitride, and thermosetting phenolic resin is taken as a binding agent. During producing, the preparation method comprises the following steps: weighing various raw materials, uniformly mixing, compressing and moulding, drying as well as nitriding and sintering at 1200-1450 DEG C. The alumina-chrome slag, which is waste generated from the production of metallic chromium, basically has no industrial utilization value at present, the alumina-chrome slag contains 82-85wt% of aluminum oxide and 11-13wt% of chromium oxide, and mainly represented as a corundum-chromium oxide solid solution, the alumina-chrome slag is good in abrasion performance. By combining the ferro-silicon nitride and high-cost-performance alumina-chrome slag to generate beta-sialon from a reaction, the product disclosed by the invention is simple in process and low in cost, and excellent performance indexes are as follows: apparent porosity is 13-17%, volume density is 2.94-3.30g / cm<3>, cold crushing strength is 67-150MPa, refractoriness under load is higher than 1550 DEG C and thermal shock resistance is more than 12 times; and the refractory matter disclosed by the invention is excellent in abrasion performance and erosion resistance and is applicable to the cement kiln transition zone, and meanwhile, the recycling of the alumina-chrome slag is achieved.