25results about How to "Meet high performance requirements" patented technology

The invention relates to a low-fault-energy micro-twin synergistic deformation cobalt-based alloy and a preparation method thereof, and belongs to the field of cobalt-based high-temperature alloys. According to the alloy, on the basis of Co-Al-W, Ti and Ta which are smaller than or equal to 4 wt% are added according to calculation of a first principle, and the stacking fault energy is controlled to be-95 mJ / m < 2 > to-89 mJ / m < 2 > (0K). Aiming at the defect of insufficient high-temperature plasticity of the gamma '-phase strengthened cobalt-based alloy, an electronic structure is accurately regulated and controlled through a first principle, intrinsic stacking fault energy is designed to reach an optimal negative value interval, a micro-twin mechanism is activated, dislocation slippage and micro-twin coordination is realized, and the problem of sudden plasticity drop caused by single deformation mechanism (dislocation slippage leading) and grain boundary weakening of a traditional alloy is solved; the high-temperature strength and the plasticity are synchronously improved.

The invention discloses a force-induced discoloration elastic material based on a holographic photocuring technology and a preparation method. The force-induced discoloration elastic material comprises the following components in percentage by mass: 48%-90% of a polymer matrix, 0.3%-4% of a photo-initiation system and 6%-50% of a recording component, the polymer matrix comprises the following components in percentage by mass: 73%-89% of an acrylate monomer, 10%-25% of a thiol monomer and 0.5%-3% of a catalyst; the photo-initiation system comprises a photosensitizer and a co-initiator, and the dosages of the photosensitizer and the co-initiator respectively account for 0.05%-1% and 0.2%-3% of the total mass of the mechanochromic elastic material; the recording component comprises the following components in percentage by mass: 62%-85% of first fluorine-containing acrylate, 10%-35% of second fluorine-containing acrylate and 0-6% of a cross-linking agent. The mechanochromic elastic material has excellent mechanical properties and optical properties, can provide an important material basis for a new generation of intelligent flexible optical devices, and has a wide application prospect.

The invention discloses a gel casting method of a solid sodium salt battery ceramic electrolyte for energy storage. The injection molding method comprises the following steps: calcining Na-beta ''-Al2O3 powder in an air atmosphere, mixing the calcined Na-beta''-Al2O3 powder with water and ammonium polyacrylate, carrying out primary ball milling, and carrying out spray drying and granulation to obtain spray granulation powder; adding the mixture into a premixed aqueous solution of a dispersing agent and an adhesive, and carrying out secondary ball milling to obtain slurry; injecting the obtained slurry into a mold, applying axial pressure to the slurry through a piston device of the mold, and maintaining the pressure; standing the whole mold in the pressurized state; taking a green body after pressure relief; carrying out coupling drying on the obtained green body in three stages, and then carrying out glue removal in an air atmosphere to obtain a prefabricated ceramic tube green body; and sintering to obtain the solid electrolyte. The solid electrolyte with high density, high ionic conductivity and high bending strength prepared by the method has a clean low-impedance grain boundary, and completely meets the high-performance requirement of a solid sodium battery on a core electrolyte.

The utility model relates to the technical field of chemical production equipment, and discloses calcium hydroxide production equipment for fine screening and impurity removal, which comprises a main tank body, a feeding hole, a waste outlet, an extension plate, a spring, a bracket, a motor, a conical blanking hopper, an impurity removal tank and a final discharging hopper. A primary sieve plate and a fine sieve plate are arranged in the main tank body, and a rotating rod is driven by a motor and drives a connecting disc and a guide blade to realize classified screening of materials; waste is discharged through the waste outlet. An extension plate is matched with a spring to flexibly connect the main tank body, and a vibration motor can be mounted to enhance the screening effect. An electromagnetic strip is arranged in the impurity removal tank to adsorb metal impurities, and attachments are removed through an air inlet connecting pipe. Finally, finished products are collected by the discharging hopper. The equipment is compact in structure, easy and convenient to operate and suitable for large-scale industrial production, the screening and impurity removing efficiency is remarkably improved, and the high-performance production requirement is met.

The utility model relates to the technical field of lithium ion batteries, in particular to a battery cover plate and a battery monomer. The battery cover plate comprises a pole, a cover plate body and a connecting piece, the pole comprises a first step part, a second step part, a third step part and a fourth step part of which the cross sectional areas are sequentially reduced; the second step part and the third step part penetrate through the through hole of the cover plate body, and the fourth step part is welded with the hole wall of the welding hole of the connecting piece; the cover plate body is limited between the first step part and the connecting piece; the cross sections of the first step part, the second step part, the third step part and the fourth step part are elliptical or waist-shaped; the cross section area of the fourth step part is not less than 6mm < 2 >. According to the battery cover plate and the battery monomer, the problems that the over-current requirement and the strength requirement cannot be met due to the fact that most of the pole columns of the existing battery cover plate are circular, and the performance of the battery is easily damaged due to riveting vibration due to the fact that the pole columns are connected with the riveting blocks in a riveting manner are solved.

This invention provides a method, production process, and resulting steel for controlling cracks in AH36 ship plate steel billets. The steps include: adding molten iron and a first scrap steel to a converter for smelting, with the final temperature of the converter smelting reaching 1590-1610℃, to obtain molten steel; sending the molten steel to an LF furnace for refining, adding a second scrap steel during the refining process, the amount of the second scrap steel being 10-15% of the weight of the molten steel, to obtain refined molten steel; sending the refined molten steel to a continuous casting machine for casting, with a casting speed of 1.3-1.5 m / min, to obtain a billet; after heating in a heating furnace, the billet is sequentially rough-rolled and finish-rolled, followed by cooling, straightening, and finishing treatment to obtain the AH36 ship plate steel. The control method of this invention is simple and easy to operate. By effectively controlling the content of each element, the generation of cracks is reduced, thereby improving production efficiency and reducing production costs.

The present invention provides an epoxy resin composition for sealing, the epoxy resin composition comprising an epoxy resin, a polyfunctional epoxy compound having a polyalkylene glycol chain, and an inorganic filler. The epoxy resin composition has the properties of low viscosity, high glass transition temperature and low elastic modulus, and can inhibit warping under the condition of sealing a large-area substrate.

This utility model relates to a glass cover plate, comprising a first glass substrate and a second glass substrate stacked together. The first glass substrate and the second glass substrate are fastened together by a soft plastic ring. The soft plastic ring includes a left ring portion and a right ring portion. A locking component is provided on the left ring portion, and correspondingly, a fastening component is provided on the right ring portion. The locking component and the fastening component cooperate with each other to fasten and fix the left ring portion and the right ring portion. The front side of the first glass substrate is coated with a titanium diboride coating layer, a tin bronze alloy coating layer and a neodymium oxide coating layer from the inside to the outside. The non-viewing area of ​​the back side of the first glass substrate is coated with a thermochromic ink screen printing layer, a polyester resin layer and a chromium coating layer from the inside to the outside.

This invention discloses a dynamic energy storage regulation system for smart microgrids applicable to new energy power plants, relating to the field of power grid management technology. The invention acquires monitoring information of disturbance events occurring in the target system through a condition monitoring module. A prefetching management module prefetches several monitoring values ​​of each acquisition parameter into a cache according to the prefetching strategy for each acquisition parameter. A data analysis module analyzes the retrieval status of all monitoring values ​​prefetched into the cache for each acquisition parameter during various disturbance events, determining the comprehensive impact of each acquisition parameter under the disturbance event. The prefetching management module adjusts the prefetching frequency of each acquisition parameter's monitoring values ​​accordingly when the next disturbance event occurs. In this way, dynamic adaptation of the prefetching of each acquisition parameter during disturbance events can be achieved, solving the problems of resource waste and insufficient prefetching caused by fixed-frequency prefetching in traditional prefetching methods.

This invention discloses an ultra-low weight, high-performance fruit peel textured PE film, comprising an upper film layer, an intermediate film layer, and a lower film layer distributed sequentially from top to bottom. The upper and lower film layers are both obtained by melt extrusion of a first mixture using a twin-screw extruder, and the intermediate film layer is obtained by melt extrusion of a second mixture using a twin-screw extruder. The weight of the PE film is 11–15 g / m³. 2 The PE film has a fruit peel texture structure. By weight, the first mixture comprises 25-35 parts LDPE resin, 65-75 parts HDPE resin, and 5-8 parts slip agent; by weight, the second mixture comprises 85-95 parts mLLDPE resin. This invention proposes an ultra-low weight, high-performance fruit peel texture PE film with a weight as low as 11 g / m³. 2 It has a tensile strength ≥5.50N / 25mm, an elongation at break ≥350%, and a coefficient of friction ≤0.60. It is low-weight and high-performance, overcoming the shortcomings of existing technologies.

The application discloses a test analysis method and device based on an environment simulation scene, a medium and equipment, and relates to the technical field of automatic driving. The method comprises the following steps: acquiring at least one environment element set, wherein the environment element set comprises at least one target environment element; the target environment element indicates a virtual traffic environment feature; generating at least one environment simulation scene according to the at least one environment element set; performing a test on an automatic driving algorithm based on the at least one environment simulation scene to obtain a test result; and determining an analysis result of the automatic driving algorithm according to the test result; the analysis result indicates analysis information corresponding to each target environment element. The application can improve the comprehensiveness of simulation testing and the accuracy of analysis, and better meet the testing requirements of high-level automatic driving.

The application relates to the technical field of radomes, and provides an infrared-blocking radome and a preparation method thereof. The radome comprises a radome body and a functional coating coated on the surface of the radome, the functional coating comprises, from top to bottom, a surface coating and a bottom coating directly coated on the radome body; wherein the raw materials of the surface coating comprise, by weight, the following raw materials: 80-110 parts of a matrix resin, 8-16 parts of reinforcing fillers, 4-8 parts of a crosslinking agent, 1-2 parts of a leveling agent, 1-2 parts of a defoaming agent, 0.5-1 part of a light stabilizer, and 100-140 parts of a solvent. The radome has good infrared-blocking effect, good adhesion, long service life, and can meet the high-performance requirements of modern communication equipment on radomes.

The utility model relates to the field of microwave communication, in particular to a wide voltage control working circuit and a power amplifier. The circuit comprises a comparator circuit and a gate circuit. Wherein the comparator circuit is used for comparing an enabling voltage with a preset voltage, when the enabling voltage is larger than the preset voltage, the comparator outputs a high level, and when the enabling voltage is smaller than the preset voltage, the comparator outputs a low level; the gate circuit is used for converting working logic into electric signals. According to the utility model, the requirements of users are effectively met, the control of circuit power supply is optimized, the circuit structure and the spatial layout are simplified, the circuit arrangement is simpler and more convenient, and the cost is also controlled.

The invention discloses a high-strength ultrathin-wall casting forming aluminum alloy and a preparation method and application thereof, and belongs to the field of metal material processing and manufacturing, and the aluminum alloy comprises the following components in percentage by weight: 10-25% of Zn, 6-8% of Si, 1-2% of Cu, 0.5-1.5% of Mg, 0.2-0.5% of Mn, 0.1-0.3% of Ti, 0.05-0.2% of Zr, rare earth elements and the balance of Al and inevitable impurities. The alloy melt is subjected to pressure casting after being subjected to smelting, refining and modification treatment, and a casting with the wall thickness being 0.1 mm-1. 5 mm can be prepared; the problems that an existing aluminum alloy is poor in fluidity, insufficient in strength and toughness and poor in corrosion resistance in the ultra-thin wall casting process are solved, and important theoretical and practical significance is achieved for developing energy-saving and light-weight products.

The utility model belongs to electrical technical field especially relates to a net side filter cabinet based on phase change cooling, including the cabinet body, setting in the phase change cooling electric reactor, filter capacitance, filter electric reactor, filter resistance, current sensor, circuit breaker, brake resistance, lightning arrester in the cabinet body, the phase change cooling electric reactor is fixed in the left lower part in the cabinet body, filter capacitance, filter electric reactor, filter resistance are fixed respectively in the phase change cooling electric reactor directly above, the circuit breaker is fixed in the right upper part in the cabinet body, the lightning arrester is fixed in the right side of cabinet body, and brake resistance is fixed in the right side of cabinet body through the insulating structural member, the phase change cooling electric reactor, filter resistance all adopt phase change cooling heat dissipation, and the gas collecting pipe of phase change cooling electric reactor, the liquid return pipe of phase change cooling electric reactor, the gas collecting pipe of filter resistance, the liquid return pipe of filter resistance are fixed on the cabinet body. Advantage: can effectively insulate the high salt fog, high humidity air in tower drum or fan bin, improves the service life of electrical components and structural components in the cabinet.

The application relates to the technical field of inorganic porous materials, and particularly discloses a preparation method of pseudo-boehmite for chloromethane. The preparation method comprises the following steps: S1: adding a sodium-free aluminum salt, zirconium nitrate pentahydrate and tetrabutyl titanate into a mixed solvent, adding a complexing agent, then adding nano-boehmite, uniformly mixing, adjusting the pH value to 7.5-8.0, increasing the temperature to 25-35 DEG C, mixing, adjusting the pH value to 5.5-6.0, mixing, and obtaining a uniform sol; S2: mixing urea and ammonium bicarbonate in water, adding zirconium ammonium carbonate, and obtaining a mixed solution B; S3: adding the mixed solution B into the uniform sol, uniformly mixing, performing gradient temperature reaction, performing solid-liquid separation, washing, drying, and obtaining the pseudo-boehmite for chloromethane. The pseudo-boehmite for chloromethane prepared by the application has extremely low sodium content, high specific surface area and excellent thermal stability.

This invention relates to a Gaussian super-resolution reconstruction method based on physically consistent sparsity and frequency awareness, comprising: performing feature extraction and saliency prediction on the spacecraft image to be processed to obtain a multi-scale deep feature tensor and a foreground saliency mask; using the foreground saliency mask to perform spatial feature modulation on the multi-scale deep feature tensor to obtain a modulated multi-scale deep feature tensor; decoding the feature vector corresponding to each spatial position of the modulated multi-scale deep feature tensor to predict the corresponding Gaussian kernel parameters; based on the foreground saliency mask, performing a physically consistent hard gating operation on the opacity of all Gaussian kernel parameters to generate a sparsified set of Gaussian kernel parameters; and based on the sparsified set of Gaussian kernel parameters, obtaining the final super-resolution result image through differentiable Gaussian sputtering. This method can obtain high-quality arbitrary-scale super-resolution reconstruction results while meeting the high-performance requirements of spaceborne edge devices.

The utility model discloses a rail vehicle middle roof manufacturing using forming die with air vent belongs to the rail technical field. Including upper die, lower die and workpiece, and upper die and lower die all have the cavity surface corresponding to workpiece, and the cavity surface of lower die is equipped with a plurality of hole forming pieces, and hole forming piece has the regular arrangement according to the demand, workpiece includes first layer fiber felt, second layer fiber felt, third layer fiber felt and fourth layer fiber felt that lay in the cavity in proper order, and there is polyurethane between the adjacent layer and sprays, the utility model discloses a forming die, and the heat pressure is carried out to workpiece through upper die and lower die, makes the polyurethane flow filling multilayer fiber felt's internal cavity, and then forms the lightweight, the good structure middle roof, makes the through -hole also along with the forming of middle roof simultaneously while making the forming, not only has saved the subsequent mechanical processing through -hole's step, also effectively reduced the waste of raw material, improved production efficiency and product consistency.

The invention belongs to the technical field of wireless communication networks, and discloses a method and a system for managing dynamic resources of a passive internet of things, and electronic equipment. The method comprises the following steps: firstly, constructing a passive Internet of Things system model, wherein the passive Internet of Things system model comprises a wireless radio frequency base station, a plurality of passive users and a communication terminal; then, based on a nonlinear radio frequency signal energy collection model, defining a fairness-oriented system throughput index; then constructing an optimization problem of maximizing a fairness-oriented system throughput index, wherein the optimization problem is a collaborative optimization problem including a wireless energy transmission strategy of a wireless radio frequency base station and wireless communication duration of a plurality of passive users; and finally, solving the optimization problem to obtain optimal configuration information. According to the method, fairness and throughput can be considered, expected optimization performance can be realized, and dynamic multi-domain resource collaborative optimization can be realized.

The application discloses a leaf spring bearing point vehicle body reinforcing structure, which comprises a rear longitudinal beam body, a leaf spring hanging front support arranged on the rear longitudinal beam body and a reinforcing pipe beam arranged on the leaf spring hanging front support; the reinforcing pipe beam is transversely arranged and penetrates through the mounting holes of the left and right leaf spring hanging front supports, and the two ends of the reinforcing pipe beam are respectively welded and fixedly connected with the left and right leaf spring hanging front supports, and the reinforcing pipe beam is located below the rear longitudinal beam body. The leaf spring bearing point vehicle body reinforcing structure of the application can improve the overall performance by optimizing the design of the vehicle body reinforcing structure, improve the overall dynamic stiffness of the vehicle body, strengthen the fatigue resistance and dynamic stability of the mounting point area, and meet the high performance requirements of commercial vehicles on the leaf spring system mounting point. The application further discloses a vehicle and a manufacturing method of the leaf spring bearing point vehicle body reinforcing structure.

The utility model discloses a passive oil-gas separator for engine, it includes: the shell body, its inside hollow and bottom is open, its top is equipped with the air outlet, the inner shell is installed in the shell body and will the inside space of shell body divide into first cavity and the second cavity located above first cavity, and its inside forms have the third cavity located below first cavity, and the air inlet that forms with first cavity direct communication between shell body and inner shell, the outer circumferential surface of inner shell forms with several stop surfaces, and the area of the outer contour of stop surface increases from bottom to top, and the air inlet is located below the stop surface of the most bottom, and the filter valve is installed on the circumferential surface of inner shell and divides the filter before side and filter after side apart. The utility model discloses the whole lightweight, the combination of coarse separation and wool valve fine separation and the structure of multiple oil channeling prevention, make the whole separation work efficiency to have been improved, satisfy the requirement of product high performance.

The utility model discloses a kit suitable for analysis equipment, including reagent box body, reagent container, reagent box body includes lower box body, upper box body, the lower box body bottom is provided with the installation mouth, and the side surface of being close to the top is provided with the clamping groove, the upper box body bottom is equipped with the hook type buckle of being suitable for the clamping groove, and the hook type buckle sets up in the clamping groove, still be equipped with the recess in the upper box body, the position of being close to the top of reagent container is equipped with the first mounting plate, second mounting plate of being suitable for the recess, and the reagent container bottom is equipped with the protrusion of being suitable for the installation mouth, and the first mounting plate, second mounting plate set up in the recess, and the protrusion of reagent container bottom sets up in the installation mouth, to make reagent container perpendicularly set up in reagent box body, the reagent container top still is installed with the rotary lid, and the side surface of lid is equipped with the sliding slot, and the reagent bottle top is equipped with the slider of being suitable for the sliding slot, and the slider sets up in the sliding slot, to make reagent container and lid connect.

The utility model relates to the technical field of silicone oil production equipment, and discloses a high-activity-end epoxy silicone oil production device which comprises a tank body, a sealing connector is arranged on one side of the top of the tank body, a second sealing connector is arranged on the side, away from the sealing connector, of the top of the tank body, and a sealing sliding ring is welded to the end, close to the sealing connector, of the inner wall of the tank body. A second sealing sliding ring is welded to the end, close to the second sealing connector, of the inner wall of the tank body, a second rotating disc is rotationally connected to the inner wall of the second sealing sliding ring, and the output end of the second sealing sliding ring and the output end of the second rotating disc are sleeved with six heat exchange pipes which are annularly distributed at equal intervals. Through the mutual cooperation of the structures, the fluidity and the heat exchange efficiency of silicone oil are improved, the formation of an oil film is effectively avoided, the quality and the stability of a product are ensured, meanwhile, the structural stability and the sealing performance of the device are enhanced, and the device is more practical.

The application relates to the technical field of PET foaming processes, and particularly discloses a novel PET foaming process, which realizes real-time monitoring of product quality by measuring the density of a PET foam product in different zones, calculating the overall density score and comparing the overall density score with a preset threshold value; when detecting that the density is uneven, the system can automatically analyze the cause and judge whether the cause is that the temperature of a cooling system is unstable; if yes, the system automatically adjusts the opening degree of a cooling water valve, adjusts the temperature by changing the flow of the cooling water, and improves the consistency of the density of the product; in addition, the system also has the functions of continuously monitoring the temperature and repeatedly adjusting the temperature when necessary, so that the temperature is stabilized, and the product quality and production efficiency are improved; the application has the advantages that problems caused by temperature fluctuation can be automatically identified and solved, and the production automation level and the finished product rate are improved.

The application relates to the aerospace technical field, in particular to a tool for valve inspection, which comprises a fixing platform, an adapter device and a locking bolt. The fixing platform comprises a fixing leg and a fixing flat plate, the fixing leg is fixed to the back of the fixing flat plate, the fixing flat plate is provided with a through hole and a plurality of long connecting grooves, and the long connecting grooves are located around the through hole. The adapter device comprises an adapter disc, a pipe nozzle and a plurality of clamps. The adapter disc is provided with a gas through hole and a plurality of connecting holes, the connecting holes are located around the gas through hole, the locking bolt passes through the long connecting grooves and the connecting holes, so that the fixing flat plate and the adapter disc are fixedly connected. One end of the pipe nozzle is fixed to the back of the adapter disc and communicates with the gas through hole, and the other end of the pipe nozzle is used for communicating with a fluid pipeline. The lower end of the clamp is connected to the edge of the adapter disc, the upper end of the clamp is inwardly bent, and the clamp is used for clamping a valve flange. The application can be applied to a larger range of valve interfaces and has more functions.