113results about How to "Realize self-healing function" patented technology

The invention discloses a wind-field communication network with double-loop redundancy, which includes a communication and monitoring station of the fan controller, wherein the wind-field looped network is comprised among the fans. The wind-field looped network applies the optical fiber looped network of the topological structure with the double-loop self-healing policy, which comprises the following parts: a fiber channel data code, a communication protocol, an MCU hardware module, an Ethernet hardware module, a fiber interface module, a CAN module, the other communication interface module and a power module, wherein the monitoring station remotely accesses the operation state of every fan directly by the Ethernet hardware module, the communication controller of every fan is connected with the fiber network of the wind field by the fiber interface module and communicates with the other fans and the master communication controller, CAN module communicates with the other controller of the fan provided double CAN by the interior of MCU hardware module, MCU hardware module sends the data and the order to the wind-field looped network by the fiber interface module according to the corresponding communication protocol or the other controller in the fan by CAN module after calculating and judging the received communication data and the data of the sensor. The topology network structure of the invention is provided with the short cable, which is fit for fiber and error transmission; the fiber network transmission media of the invention is provided with the high transmission efficient, the long distance, the strong electromagnetic anti-interference ability; the double-loop network structure of the invention achieves the self-healing function of the network; the DNP 3.0 regulation in the total wind-field communication dissolves the broadcast storm problem.

The invention relates to a swelling type micro-capsule/cement-based self-repair system. Calcium alginate is used as capsule walls, epoxy resin is used as capsule cores, accordingly, swelling type micro-capsules can be prepared, and the particle sizes of the micro-capsules range from 300 micrometers to 2.5 mm; basic components in a self-repair cement-based materials include cement, sand, the micro-capsules, water and epoxy resin curing agents, and the adding quantity of the micro-capsules is 0.5-10 wt% of the cement. The cement, the sand and the micro-capsules are uniformly stirred and dispersed, the water and the epoxy resin curing agents are poured into mixtures with the cement, the sand and the micro-capsules, and pouring forming, form stripping and curing are carried out after the water, the epoxy resin curing agents and the mixtures are uniformly stirred, so that the swelling type micro-capsule/cement-based self-repair system can be formed. The swelling type micro-capsule/cement-based self-repair system has the advantages that the micro-capsules have water absorption and swelling characteristics, accordingly, water can be compensated in cement hydration procedures, and the swelling type micro-capsule/cement-based self-repair system has an internal curing function; processes for synthesizing the swelling type micro-capsule/cement-based self-repair system are simple, the swelling type micro-capsule/cement-based self-repair system is good in mechanical property, is difficult to break in cement mixture stirring procedures and can be uniformly dispersed in the cement-based materials, and accordingly cracks can be self-repaired.

The invention provides a communication system for a wind power station, which comprises a wind field monitoring central server and a plurality of blower user terminals, wherein the wind field monitoring central server and each blower user terminal are respectively provided with a communication controller; the communication interfaces of the communication controllers are connected end to end through optical fibers to form a ring network; the communication controllers are provided with two pairs of optical fiber communication interfaces which are connected end to end through optical fibers to form a dual-channel optical fiber ring network; or the communication controllers are provided with four pairs of optical fiber communication interfaces which are connected end to end through optical fibers to form a bidirectional dual-channel optical fiber ring network. The invention realizes a self-healing function of a network, prevents node failure in the ring network from causing interruption of network communication, carries out automatic selection on transmission paths in signal transmission, ensures intra-network flow equilibrium, simultaneously reduces equipment investment, improves communication efficiency, ensures accuracy and high efficiency of monitoring, is suitable for various networking modes, improves communication speed, enhances carrying capacity, increases memory space, and has easy large-scale use and popularization.

The invention provides an epoxy resin composite insulating material and a preparation method thereof. The epoxy resin composite insulating material is formed by preparing microcapsules, a ruthenium carbene complex catalyst, and a component including at least a bisphenol A type epoxy resin, a first curing agent, a curing accelerator, and a toughening agent. The microcapsules are formed by preparinga urea-formaldehyde resin performed polymer composition and a core material composition in the presence of a second curing agent and a modifier, the urea-formaldehyde resin performed polymer composition is formed by stirring and heating urea, formaldehyde and deionized water under alkaline conditions, and the core material composition is formed by stirring an emulsifier, dicyclopentadiene and deionized water under heating condition. The epoxy resin composite insulating material has the ability to self-repair when damaged.

The invention discloses a preparation method and application of a medical magnesium-based metal coating with stress-corrosion-resisting and self-repairing functions. The method comprises the followingsteps: taking medical magnesium-based metal as a matrix; firstly, pre-treating to remove machining residues and surface attached matters; then putting into a sodium hydroxide solution and carrying out hydroxylation treatment; then coating the surface of the matrix with a corrosion inhibitor; and carrying out heat treatment and curing to form the coating with the stress-corrosion-resisting and self-repairing functions, wherein the corrosion inhibitor is prepared from three components including a silane coupling agent, phytic acid and graphene oxide. A preparation technology of the coating involved in the invention is simple in method and easy to operate; the obtained coating has good bonding strength and good biocompatibility and has a self-repairing capability in a physiological environment; the corrosion-resisting performance of a magnesium alloy can be improved and the stress corrosion sensitivity can be inhibited; and therefore, the prepared magnesium-based metal with the protection coating as a medical implantable device material can be applied in the clinical aspect.

Disclosed are anticorrosive photo-responsive and self-healing shape-memory polyurethane coating and a preparation method thereof. The preparation method includes: adding a filling material into polycaprolactone, adding stannous octoate, reacting for 24-36 hours at a temperature of 130-140 DEG C, adding a solvent, a crosslinking agent and dibutyltin dilaurate, stirring for 5-10 hours at a temperature of 60-80 DEG C under protection of nitrogen, coating on metal surfaces, and curing. The polycaprolactone is adopted as a substrate, a photothermal conversion material is introduced into a polymer network by an in-situ polymerization method, catalyst and the crosslinking agent are introduced, and the polymer network is formed by a crosslinking action to prepare the shape-memory polyurethane coating capable of healing automatically. Under illumination of infrared lights, an interior of the coating can be heated up to 130-140 DEG C rapidly through photothermal conversion, shape memory restoreis stimulated by high temperature, crack surfaces are enabled to contact, polymer chain segments exercise strenuously to stride damaged areas along with cracking and reconstructing of ammonia ester bonds, and accordingly a self-healing function of the coating is realized.

The invention discloses metal nanometer lubricating oil, comprising lubricating oil and nanometer metal powder which are mixed together. The weight proportion range of the metal powder and the lubricating oil is between 1 to 12000 and 1 to 3000; the nanometer metal powder in the metal nanometer lubricating oil can form a micro-bearing between the inner wall of a cylinder and a piston so as to change the sliding friction into rolling friction, decrease friction coefficient, and reduce the abrasion of the inner wall of the cylinder; and the tiny metal powder can fill defects and dimples at the wearing terrain of the inner wall of the cylinder to realize the self-repairing function and increase the airtightness of the cylinder, thereby ensuring that fuel oil is completely combusted, improving the powder, and reducing the emission of tail gas.

The invention relates to a high-temperature anti-ablative coating formed on a base material as well as a preparation method and application of the high-temperature anti-ablative coating. The high-temperature anti-ablative coating comprises a SiC transition layer and a ZrC-SiC-Gd2o3 complex phase oxygen barrier layer formed by mixing ZrC, SiC and Gd2o3, which are sequentially formed on the base material, wherein the molar percentage of Gd2o3 in the ZrC-SiC-Gd2o3 complex phase oxygen barrier layer is 10-20%. The method comprises the steps as follows: preparing the SiC transition layer by using achemical vapor deposition method; and preparing the ZrC-SiC-Gd2o3 complex phase oxygen barrier layer by using a vacuum plasma spraying method. The high-temperature anti-ablative coating disclosed bythe invention has a high temperature self-healing property, so that an oxidizing atmosphere can be prevented from migrating to the interior of a material, the anti-ablative service time of the coatingat a high temperature is prolonged and an effective protection role is played on a ceramic matrix composite; and the high-temperature anti-ablative coating has the advantages of small porosity, highbonding strength, excellent high-temperature anti-ablative performance and the like.

The invention provides an establishment method and apparatus of a clock network, and a communication node. The method comprises: an adjacent communication node of a fault communication node with a clock source having a fault is determined; clock state information of the adjacent communication node is collected; according to the clock state information and a preset rule, a synchronous communication node of a synchronous clock source is selected from the adjacent communication node; configuration parameter information of clock source synchronization of the fault communication node and the synchronous communication node is obtained; the configuration parameter information is configured to the fault communication node and the synchronous communication node; and according to the configuration parameter information, a clock network between the fault communication node and the synchronous communication node is established. Therefore, a problem that various conveniences are caused by providing services for the communication nodes because clocks of the communication nodes are closed mutually in the prior art can be solved. The self-healing, and self-adjusting functions of the clock systems of the communication nodes are realized; and intelligence of the communication node clock systems is realized.

The invention relates to the field of water-based functional paints, and provides a self-repairing polymer cement waterproof paint and a preparation method thereof. The waterproof paint is composed ofa liquid material and a powder material. The liquid material contains a self-repairing core-shell capsule. A shell layer of the capsule is resin, and an inner core of the capsule is composed of sodium alginate, polyoxyethylene octadecylamine, super-hydrophobic silica aerogel powder and water. When a coating has fine cracks, the shell layer of the capsule is broken, the sodium alginate is in contact with calcium hydroxide obtained after cement hydration, crosslinking is conducted under the action of Ca<2+>, and a three-dimensional net-shaped object is formed to block the cracks. The super-hydrophobic silicon dioxide aerogel powder is distributed in the network structure of the three-dimensional net-shaped object, so strength is improved, secondary cracking is prevented, and water resistance is improved by utilizing the super-hydrophobicity of the super-hydrophobic silicon dioxide aerogel powder. Therefore, a coating formed by the polymer cement waterproof paint has good self-repairingperformance, secondary cracking of repaired cracks is avoided, and good impermeability is still kept after dry-wet circulation.

The invention relates to the technical field of electronic skin self-repairing materials, in particular to a special micro-capsule material for electronic skin self-repairing and a preparation methodthereof. The preparation method comprises the following steps: (a). preparing a prepolymer in advance; (b) dispersing graphene, an ionic liquid, and dicyclopentadiene under the action of an emulsifierto obtain emulsion; (c). adding the emulsion prepared in step (b) to a reaction vessel, slowly adding the prepolymer prepared in step (a) under the condition of sufficient stirring, raising the temperature to 50 to 80 DEG C, holding and continuously reacting for at least 30 minutes, allowing the prepolymer to be further polymerized to form a capsule suspension slurry with a wall material coated with the graphene, ionic liquid and dicyclopentadiene, filtering and drying to obtain a rubber-based special micro-capsule material for electronic skin self-repairing. The micro-capsule material is mixed in inner and outer rubber base layers when preparing the electronic skin, and once the electronic skin is damaged, the capsule can realize the complete self-repairing function of the electronic skin.

The invention discloses a water resistant self-repairing absorbing wave and anticorrosive coating. The coating comprises the following components in parts by weight: 20-40 parts by weight of an epoxyresin emulsion, 5-8 parts by weight of an aqueous epoxy resin curing agent, 0.6 parts by weight of a foaming agent, 18-20 parts by weight of a dispersing agent, 0.5-1.5 parts by weight of a coupling agent, 5-10 parts by weight of titanium dioxide, 8-12 parts by weight of ceramic powder, 15-20 parts by weight of polyaniline@sodium silicoalginate microcapsules, 5-8 parts by weight of a manganese dioxide@activated carbon composite absorbing agent, and a proper amount of water. The method has convenient construction and simple operation, and can adopt mechanical spraying or manual painting, and isenvironmentally friendly due to the use of a water solvent.

The invention provides a preparation method of a cross-linking agent and a multi-stimulus-response discoloration self-repairing coating and a preparation method thereof. Preparation of the cross-linking agent comprises the steps that S1, a stimulus response compound, that is, a spiropyran derivative with hydroxyl groups at both ends is prepared; S2, a cross-linking agent containing the spiropyranderivative and with an end group as a double bond and the middle as an amide bond is prepared; coating is prepared, specifically, S3, methyl methacrylate, butyl acrylate, initiator and the cross-linking agent obtained in the step S2 are stirred and mixed to obtain an oil phase; and S4, deionized water, emulsifier and neutralizer are mixed and stirred evenly to obtain an oil phase, the water phaseis then mixed with the oil phase obtained in the step S3 to obtain mixed liquid, ultrasonic treatment is performed, and the multi-stimulus-response discoloration self-repairing coating is obtained. The obtained coating has the functions of ultraviolet light-sensitive discoloration and mechanical force-sensitive discoloration. Amide bond structures contained in a polymer can form hydrogen bonds inpairs, the reversible formation-breakage of the hydrogen bonds are used for realizing a self-repairing function of the coating, and the service life of the coating is prolonged.

The invention provides a wide-temperature self-healing electrolyte, a preparation method thereof and a lithium battery. The wide-temperature self-healing electrolyte is of a three-dimensional cross-linked network structure composed of a glycerin chain segment, an isocyanate-terminated polyether polyol chain segment and a chain segment at least containing two terminal hydroxyl groups and a disulfide bond. A large number of repeated disulfide bond groups and self-complementary hydrogen bond structures are introduced into electrolyte substrate material molecules containing self-complementary hydrogen bond structures, so that a three-dimensional cross-linked network structure is formed, and cross-scale (molecular scale, micron scale and macro scale) damage perception response of the electrolyte and rapid self-healing of the material are realized by utilizing an intermolecular exchange reaction of disulfide bonds, so that a multi-layer (molecule-component-device-system) self-healing repair function is further achieved. The wide-temperature self-healing electrolyte has high elastic modulus and excellent electrochemical performance, and can be used as a solid electrolyte of the lithium ion battery.

The invention relates to the technical field of antibacterial coatings, in particular to an antibacterial self-repairing microcapsule as well as a preparation method and application thereof in coatings. The antibacterial self-repairing microcapsule comprises a composite shell layer and a self-repairing substance coated in the composite shell layer; and the composite shell layer comprises a silicon dioxide inorganic shell layer and an organic shell layer coated outside the inorganic shell layer. The preparation method comprises the following steps: adding the self-repairing substance into the emulsifier to obtain a mixture; hydrolyzing a silicon source substance under an acidic condition, and then adding the hydrolyzed silicon source substance into the obtained mixture to form an inorganic microcapsule in which the inorganic shell layer coats the self-repairing substance; and carrying out emulsion polymerization on the obtained inorganic microcapsule and an acrylic monomer to obtain the antibacterial self-repairing microcapsule. The microcapsule adopts the composite shell layer of the silicon dioxide inorganic shell layer and the silicon dioxide organic shell layer, so that the microcapsule has better compatibility with a film forming substance in a coating, the phenomenon of agglomeration among microcapsules applied to the coating is reduced, the storage property of the microcapsule is improved, and the stability is high.