46results about How to "Ensure performance" patented technology

The invention discloses a hidden disaster-causing factor disaster-causing risk evaluation method based on multi-source data fusion, and relates to the technical field of geographic information systems. The method comprises the following steps of S01, data acquisition, S02, data preprocessing, S03, feature extraction, S04, risk assessment model construction, S05, model training and optimization, S06, risk assessment, S07, result analysis and verification and S08, result output. According to the scheme, by adopting an advanced multi-source data fusion technology, various data sources such as geological data, remote sensing images, elevation maps and hydrological data are effectively integrated; the integration not only widens the coverage range of the data, but also improves the precision and timeliness of the data. Through an automatic data preprocessing process, it is ensured that data of different sources and types can be effectively fused, and a data consistency relation is constructed; the data integration strategy can more comprehensively reflect the complexity and dynamic change of hidden disaster-causing factors, so that the accuracy of disaster-causing risk assessment is remarkably improved.

The invention belongs to the field of graphene preparation, and discloses a graphene cement additive and a preparation method thereof, and a graphene-cement composite material and a preparation method thereof. The preparation method comprises the following steps: preparing a stripping agent solution from pure water, a cholate anionic surfactant and a nonionic surfactant, then adding a graphite raw material, and fully stirring and mixing to obtain a graphite pre-stripping dispersion liquid; performing auxiliary stripping dispersion on the graphite pre-stripping dispersion liquid through water bath ultrasonic to obtain a graphene mixed dispersion system: centrifuging the graphene mixed dispersion system, taking an upper-layer solution for dialysis, and removing unstripped particles or thick graphite flakes to obtain the graphene cement additive. According to the graphene cement additive, pure water is used as a stripping agent, the graphene cement additive is directly obtained by adding a small amount of surfactant and liquid phase stripping, the graphene cement additive is non-toxic and harmless, the dispersity of obtained graphene is good, and after the graphene cement additive is blended into cement, the compressive strength of the cement is improved by 20% or above.

The invention relates to the technical field of data prediction, in particular to a virtual prediction method for mechanical behaviors of a composite material. The method comprises the following steps: acquiring a material level data set; performing data preprocessing on the material level data set to generate a multi-level material processing data set; random field defect analysis is carried out on the multi-level material processing data set, and material microdefect distribution data is generated; carrying out nonlinear behavior factor extraction on the material microdefect distribution data to generate a composite material microcosmic nonlinear behavior factor; therefore, through the multi-level data set processing and interface mechanical modeling technology, the problems that traditional material design depends on experimental verification and is long in period and high in cost are solved, and the precision and efficiency of performance optimization of the composite material are improved.

The invention relates to the technical field of semiconductor devices, and discloses a wide bandgap power semiconductor device and a preparation method thereof. The method comprises: providing a substrate layer of a first conductivity type; forming a first doped region which is deep into the substrate layer and comprises a plurality of doped layers which are sequentially nested from outside to inside, wherein the doping concentrations of the plurality of doped layers are sequentially increased from outside to inside; forming a second doped region in the doped layer on the innermost side of the first doped region; forming an isolation layer on the first surface; forming a control electrode on the isolation layer; forming a first electrode on the first surface; a second electrode is formed on the second surface of the substrate layer. According to the invention, the first doped region which is located between the substrate layer and the second doped region and has the doping concentration gradually increased from outside to inside is formed through a mode of multiple times of ion implantation, so that transverse electric field constraint is constructed, transverse depletion of a channel region and a short channel effect under the condition of large voltage are inhibited, the channel width is reduced, and the performance of the device is improved. And the device performance and reliability are improved.

The invention discloses a method for dynamically constructing a UDF based on a large model. The method comprises the following steps: S1, constructing a multi-dimensional requirement cue word of a user-defined function according to characteristics and use requirements of a target platform; s2, the multi-dimensional requirement cue words are input into a pre-trained large language model for code generation, the large language model is subjected to multi-round iteration based on the multi-dimensional requirement cue words, and an optimal code sequence for achieving the user-defined function is output; s3, code style standardization is carried out on the optimal code sequence, and a compiler or an interpreter and a static analysis tool are respectively called to carry out grammar check and static analysis on the optimal code sequence, and constructing an optimization cue word according to an error log output by the compiler or the interpreter and a static analysis result output by the static analysis tool, and inputting the optimization cue word into the large language model to carry out iterative optimization on the optimal code sequence.

A steering wheel is disclosed enabling suppressing unnecessary rocking of the airbag module during airbag activation and thereby ensures prescribed deployment performance of the airbag cushion. In detail, the steering wheel 1 is provided with a core metal 2 having a boss part 20 configured so as to be mountable on a steering shaft and an airbag module 3 movably provided with respect to the core metal 2 and having an airbag cushion 30 that can be expanded and deployed. The stopper 200 of the core metal 2 is separated from the stopper contact part 300 of the airbag module 3 in a non-activated state of the airbag, and comes into contact with the stopper contact part 300 due to movement or deformation of the airbag module 3 caused by expansion and deployment of the airbag cushion 30 during activation of the airbag.

The utility model discloses a kind of plate shape detection devices, it is related to plate shape detection technical field.The device includes: base roll and flexible pressure-sensitive lining;The flexible pressure-sensitive lining is attached to the outer surface of the base roll, for real-time acquisition foil pressure distribution data;It can be convenient to collect the pressure data of different position regions of the foil needle to be detected to plate shape detection device.The scheme of the utility model, foil can be quickly and accurately detected to plate shape, provide help for ensuring the quality and performance of foil.

Provided are a secondary battery and a preparation method thereof, and an electric device. The secondary battery includes a negative electrode plate and an electrolyte. The negative electrode plate includes a negative active material and a lithium supplement agent, and an insulating material is dissolved in the electrolyte. A mass ratio of the insulating material in the electrolyte ranges from 0.1% to 4%. The insulating material is derived from the negative electrode plate prior to injection the electrolyte, and the insulating material is arranged between the negative active material and the lithium supplement agent in the negative electrode plate prior to the injection the electrolyte.

The invention provides a cross-cloud platform virtual private cloud interconnection system based on a unified cloud management platform and a construction method, and relates to the technical field of computer networks. The system comprises a unified cloud management platform and at least two independent cloud platforms. Corresponding virtual private clouds run on the independent cloud platform, and the virtual private clouds are in network isolation; the unified cloud management platform is based on the VPN technology, a VPN tunnel network is constructed between a VPN server and a VPN client, and the virtual private cloud client serves as a gateway node to achieve communication between virtual private clouds on different cloud platforms. The configuration information of the VPN server and the virtual private cloud client is issued in a mode of virtual machine data injection and VPN server interface; the problem of data and information islands among cloud platforms in a multi-cloud platform scene can be solved, the resource sharing capability among the cloud platforms is enhanced, and the cross-cloud interconnection of applications and the cross-domain sharing capability of data are realized.

The present disclosure relates to a non-aqueous electrolyte and a high-voltage lithium battery comprising the same. In order to solve the problem that the high-temperature performance and discharge performance of the existing lithium batteries comprising non-aqueous electrolyte decreases with the increase of voltage, and the safety is not good, the present invention provides a non-aqueous electrolyte comprising a lithium salt, an organic solvent, and additives, the additives comprise a substance represented by the structural general formula wherein, R1 and R2 are the same, and R1 and R2 are alkylene, fluoroalkylene, alkyleneoxy, or fluoroalkyleneoxy; R3 and R4 are the same, and R3 and R4 are hydrogen, alkyl, alkyloxy, fluoroalkyl or fluoroalkyloxy. The present disclosure ensures the high-temperature performance and cycling performance of lithium battery under conventional voltage, and at the same time, when the voltage is increased to 4.5 V or even higher, the lithium battery still have excellent high-temperature performance and discharge performance, which ensures the safety and electrochemical performance of the high-voltage lithium battery.

The application discloses a kind of wind power main shaft front axle sleeve camber detection equipment, it is related to wind power main shaft detection technical field, including detection base, the side of detection base is connected with portal frame in bearing frame;Gear disc is mounted in the inside of suspension plate in bearing frame, the both sides of gear disc are provided with input rotating lever and output rotating lever, and input rotating lever and output rotating lever are driven and cooperated by gear mechanism, and the one end of output rotation is equipped with inner curvature detection rod, and the both ends of inner curvature detection rod are equipped with first and second camber measuring instrument;The side of bearing frame is equipped with first and second outer curvature detection rod;The side of portal frame is equipped with load beam, and load beam is equipped with support mechanism.The application is further eliminated manual operation risk by being equipped with support mechanism and curvature detection structure, simultaneously, precise gear transmission and the arrangement structure of multiple measuring instrument are utilized, can realize inner and outer camber accurate measurement, and with mechanical automation replaces manual operation, so that detection process is safe, accurate, efficient.

The present application relates to the field of agricultural big data and fertilizer supply chain management, and particularly to a selenium-rich bio-organic fertilizer supply chain collaborative management system based on big data, comprising: a source evaluation step: a management center calls material attributes, a raw material evaluation unit analyzes source quality fluctuations to distinguish batches; an efficiency drift analysis step: in response to abnormal control signals, a conversion analysis unit performs efficiency drift evaluation feedback analysis; a supply-demand collaborative matching step: in response to regular control signals, a collaborative demand unit obtains a collaborative demand coefficient, and a matching division unit performs quantitative matching analysis of control decision; a control execution step: compare control evaluation indexes to generate control signals; the present application constructs a source fluctuation perception and supply-demand collaborative matching closed loop, solves the spatiotemporal mismatch contradiction of raw material fluctuations and soil adsorption specificity, and improves the overall efficiency of the supply chain.

Provided are a cell connecting sheet and a cell battery. The cell connecting sheet comprises a tab connecting portion and a terminal connecting portion (3); the tab connecting portion comprises a tab connecting sheet (11) and a protection sheet (12); a first side of the protection sheet (12) is connected to the tab connecting sheet (11); a second side of the protection sheet (12) and the tab connecting sheet (11) form an open / closed port; the open / closed port is configured to place a tab between the tab connecting sheet (11) and the protection sheet (12); and the protection sheet (12) and the tab connecting sheet (11) are configured to be soldered with the tab. The terminal connecting port (3) is located on the same plane with the tab connecting sheet (11), and is connected to the tab connecting sheet (11), and the terminal connecting portion (3) is configured to be soldered with a terminal.

The embodiment of the invention provides a temperature control method and device of a storage device and electronic equipment, and relates to the technical field of computers, and the temperature control method of the storage device comprises the steps that the working temperature of the storage device is detected; under the condition that the working temperature is lower than a preset temperature threshold value, first self-heating intensity of the storage device is determined according to the working temperature and the preset temperature threshold value; and controlling a CPU (Central Processing Unit) of the storage device to execute heating operation matched with the first self-heating intensity. The effect of automatically controlling the working temperature of the storage device on the basis of not depending on an external device is achieved, the problem that the equipment reliability is affected when the temperature of the storage device is too low is effectively prevented, and the performance and stability of the storage device are ensured.

The utility model relates to the technical field of cable production extrusion molding devices, in particular to an extrusion molding device for power cable production, which comprises an extrusion molding cylinder, a heating layer, a protective shell, a storage tank, a discharge pipe, an extrusion molding auger, a driving motor, a driving shaft, an arc-shaped filter plate, a driven shaft, a crushing wheel, a driving gear, a driven gear and a transmission toothed chain, an extrusion packing auger is rotatably arranged in the extrusion barrel, a driving motor is fixedly arranged on the side wall of the protective shell, a driving shaft is arranged at the output end of the driving motor, an arc-shaped filter plate is fixedly arranged in the discharging pipe, a driven shaft is rotatably arranged in the discharging pipe, and a smashing wheel is fixedly arranged on the side wall of one end of the driven shaft; in the using process of the extrusion molding device for power cable production, the device not only can prevent plastic particles from being blocked in the discharging process, but also can improve the dissolving efficiency of the plastic particles, so that the plastic particles are melted more completely, and the extrusion molding device has the characteristics of high efficiency and stability.

The utility model relates to an on-line cleaning device, in particular to a cable surface on-line cleaning device which comprises a base, a first protective shell, a steam generator, a first conveying pipe, a second conveying pipe, a liquid storage tank, a first partition plate and the like. A first protective shell is installed on the top of the base, a first partition plate is installed in the first protective shell and divides the interior of the first protective shell into a front space and a rear space, the space on the front side in the first protective shell is a liquid storage tank, a steam generator is arranged in the space on the rear side in the first protective shell, and a second conveying pipe and a first conveying pipe are arranged on the left side and the right side of the steam generator respectively. A relatively closed space is arranged in the device, and a steam component is arranged in the space to clean the surface of a continuously conveyed cable, so that compared with conventional offline cleaning equipment, the cleaning can be synchronously completed in the operation process of a production line, the production flow does not need to be interrupted, and meanwhile, the production efficiency is improved. Stubborn dirt and impurities on the surface of the cable are effectively removed.

A frame, a bogie, and a rail vehicle. The frame comprises two side beams and two cross beams connected between the two side beams; air springs of the bogie are mounted on the side beams; at least one auxiliary beam is connected between the two cross beams; the inner cavity of the auxiliary beam is divided into a first cavity and a second cavity; the first cavity is communicated with the inner cavity of one of the cross beams so as to jointly serve as an additional air chamber of one of the air springs, and the second cavity is communicated with the inner cavity of the other of the cross beams so as to jointly serve as an additional air chamber of the other of the air springs. In the present solution, the auxiliary beam of the bogie frame is used as a connecting member for connecting the front and rear two cross beams and is also divided into the first cavity and the second cavity, and the first cavity and the second cavity can be communicated with the inner cavities of the cross beams so as to serve as the additional air chambers of the air springs mounted on the bogie frame, such that the volume of the additional air chambers is increased, and the structure of the frame is simplified.

The utility model relates to a support for spring electroplating, which comprises a mounting rack, a plurality of cross rods and a limiting piece, a plurality of lifting lugs for lifting are arranged on the peripheral side of the mounting rack, the plurality of cross rods are uniformly distributed on the mounting rack, the cross rods are inserted into the mounting rack, hooks for hooking springs are arranged on the cross rods, and the limiting piece is arranged on the mounting rack. And the limiting piece is used for limiting the cross rod to be separated from the mounting frame. The device has the effect that the part, entering the electroplating liquid, of the mounting frame is reduced, and therefore the purity and performance of the electrolyte are ensured.

The utility model relates to the technical field of heat dissipation structures, in particular to a heat dissipation structure of a heating wire plate of an electronic component, which comprises an electronic component fixing assembly, a heat insulation assembly is fixedly connected to the bottom end of the electronic component fixing assembly, and a heat dissipation assembly is fixedly connected to the inner side of the heat insulation assembly. The heat dissipation assembly comprises an air collection shell, the front end of the air collection shell is fixedly connected with an electric fan, the rear end of the air collection shell is provided with a ventilation opening, the rear end of the air collection shell is fixedly connected with a bent copper pipe, the inner side of the bent copper pipe is provided with a narrow channel, the upper end of the bent copper pipe is fixedly connected with a guide pipe, and the inner side of the guide pipe is provided with an air guide channel. According to the utility model, the device adopts a non-contact heat dissipation mode, is suitable for a high-vibration working environment, and prevents damage caused by friction between the heat dissipation structure and the electronic component body, thereby effectively ensuring normal work of the electronic component body.

The application discloses a kind of general sparse matrix multiplication implementation method and device based on 2D systolic array, the processing step of each processing unit in the 2D systolic array in the method of the application includes: first load compressed matrix C*, then receive input compressed matrix A*, compressed matrix B*, each compressed matrix is recorded using the format of index and numerical value;Determine the index of compressed matrix A* or B* is zero, then directly pass compressed matrix A* and B*, otherwise splice to obtain spliced index, if same with the index of compressed matrix C*, then calculate A*×B*+C* and pass matrix A* and matrix B*, if not same, calculate A*×B* and pass matrix A* and matrix B*.The application can accelerate sparse matrix multiplication on systolic array, can effectively process sparse matrix multiplication, ensure the effectiveness, efficiency and performance under different resource restrictions.

The present invention relates to a catalyst composite and a polymer electrolyte membrane comprising the same, which are prepared by compounding platinum, a metal having a higher ionization tendency than platinum, and a functional support, and which has an effect of reducing gas permeating from a counter electrode when applied to a polymer electrolyte membrane.

The invention provides a PCB layout generation method and electronic equipment. The method comprises the following steps: acquiring layout design parameters; generating a condition vector according to the layout design parameters; inputting the condition vector into a pre-trained diffusion model, and performing multi-round reverse denoising processing by the diffusion model based on the initialized noise image and the condition vector to obtain an initial PCB layout image; and verifying the initial PCB layout image, and generating a target PCB layout image according to a verification result. According to the method, the layout design parameters are acquired, the corresponding condition vectors are generated, and the pre-trained diffusion model is utilized to perform multi-round reverse de-noising processing on the initialized noise image, so that the initial PCB layout image meeting the design requirement is intelligently generated; and the final target PCB layout image is obtained by verifying and optimizing the initial image, so that the problem that the PCB layout scheme cannot be efficiently and automatically generated in the prior art is effectively solved.

An artificial intelligence-based injection molding system, according to one aspect of the present invention, capable of providing a molding condition of having high accuracy in a short time comprises: a standard data extraction unit for extracting target standard data of a product produced by a mold from mold information about the mold to which a first molding material in a molten state is supplied; a molding condition output unit, which inputs the extracted target standard data into a pre-learned molding condition generation model so as to output a molding condition; an injection molding device, which supplies the first molding material to the mold according to the molding condition so as to produce the product; and a determination unit, which compares production standard data of the produced product and the target standard data so as to determine whether the molding condition is appropriate, wherein, if the determination unit (250) determines that the molding condition is inappropriate, the molding condition output unit (220) generates the production standard data and the molding condition as one set of feedback data, and trains the molding condition generation model (230) with the set of feedback data.

The application discloses a low-hairiness linen-imitating style clothing fabric and a preparation method thereof, and relates to the technical field of clothing fabrics. The clothing fabric is formed by interweaving first warp yarn, second warp yarn, first weft yarn and second weft yarn. The first warp yarn and the first weft yarn are core-spun yarns, the core-spun yarns comprise a core layer and a cladding layer, the core layer is spandex filament, and the cladding layer is a blend of polyester fiber and viscose fiber. The second warp yarn and the second weft yarn are two single yarns that are subjected to oiling treatment and twisted into a strand. The oiling treatment is performed by using modified oil agent. The clothing fabric prepared by the innovative double-yarn structure design and the modified oil agent technology has the natural texture of linen fabric and the delicate appearance of modern textile, the production process is stable, the rate of superior products is significantly improved, the double requirements of quality and functionality of linen-imitating fabric are met, and the clothing fabric has important industrial application value and market prospect.

The utility model relates to a constant-temperature water curing box for concrete sample curing, which belongs to the technical field of concrete sample curing and comprises a constant-temperature curing box, a drawing box and a timer. A drawing box is connected between the opposite sides of the two corresponding movable separation frameworks on the left side and the right side, and the multiple timers are fixedly installed on the inner side wall of the constant-temperature curing box and arranged at equal intervals. According to the constant-temperature water curing box for concrete sample curing, a movable partition framework can be provided, the space layout among the samples can be flexibly adjusted according to the curing requirements of different samples, the space of the curing box is fully utilized, each partition area is provided with an independent timer, and the time is saved. The maintenance starting time and the remaining maintenance time of each sample can be accurately recorded, and key maintenance nodes are prevented from being missed.

This invention relates to a large-weight, wide-width high-temperature alloy coil and its manufacturing method, belonging to the field of high-temperature alloy materials. It solves at least one of the following problems existing in the production of wide-width high-temperature alloy sheets: difficulty in controlling dimensional accuracy, poor surface quality, large quality fluctuations, high production difficulty, and high cost. A method for preparing a large-weight, wide-width high-temperature alloy coil includes: slab pretreatment; hot rolling of the coil; solution treatment and surface treatment of the coil; cold rolling and intermediate annealing of the semi-finished coil; and cold rolling and processing of the finished coil. This invention achieves the production of high-quality, high-performance, and high-dimensional-accuracy high-temperature alloy sheets with wider widths and thinner thicknesses.

The utility model belongs to the technical field of water pans, and particularly relates to a water pan structure and a heat pump unit. The water pan structure comprises a frame body and a water pan panel, the frame body is provided with a drainage hole and a plurality of flow guide grooves communicated with the drainage hole, groove openings of at least part of the flow guide grooves are used for being opposite to the bottom of a heat exchanger of the heat pump unit, the water pan panel is located in the frame body, and at least part of the peripheral side of the water pan panel is connected with one side of at least part of the flow guide grooves. The water pan panel is used for guiding water on the water pan panel to flow into the flow guide groove. Rainwater on the inner side of the heat exchanger is received through the water pan panel so as to reduce contact between the rainwater or snow water and a pipeline of the heat pump unit, meanwhile, the rainwater or the snow water can be discharged through the flow guide grooves and the flow guide holes, then the pipeline of the heat pump unit is protected, and the performance and the service life of the heat pump unit are guaranteed.

This application relates to the field of packaging printing equipment, and in particular to a high-efficiency printing process for packaging containers, comprising the following steps: S1, lamination process; S2, varnishing process; S3, ink control; S4, die-cutting and creasing process; S5, automated cutting. The oil storage tank is equipped with a stirring device, which includes a stirring shaft and a stirring wheel. The stirring shaft drives the stirring wheel to stir the ink in the oil storage tank. The stirring shaft is connected to an intermittent drive device, which intermittently drives the stirring shaft to rotate. The purpose of this application is to effectively ensure that the ink maintains its performance during long-term storage, and that the ink can be readily used when the packaging printing process requires it, thereby effectively ensuring the printing efficiency of the packaging printing process.

The utility model relates to a testing fixture for an automobile swing arm limiting support, and the testing fixture comprises a bottom plate, and a first direction detection assembly, a second direction detection assembly, and a third direction detection assembly which are sequentially disposed at the top of the bottom plate from left to right. The first direction detection assembly comprises a first platen transversely fixed to the bottom plate, a supporting table fixed to the top of the first platen, a pressing unit arranged behind the supporting table, and a first clamping unit and a second clamping unit which are arranged on the left side and the right side of the pressing unit respectively. According to the utility model, the operation is simplified, the working efficiency is improved, the dimensional accuracy of the automobile swing arm limiting bracket in other directions can be verified, the verification result is more comprehensive, the verification reliability is improved, and the subsequent assembly quality between the automobile swing arm limiting bracket and an automobile body and the performance during working are ensured.

The utility model relates to a liquid injection device, which relates to the technical field of battery manufacturing, and comprises a liquid injection main body, a liquid injection device and a liquid injection device, the elastic reset piece is connected with the liquid injection needle; the sealing assembly comprises a sealing cover and a sleeve arranged outside the liquid injection main body in a sleeving mode, the sleeve is provided with a liquid outlet, and the sealing cover is in linkage with the liquid injection needle through a connecting piece; during liquid injection, the liquid injection needle drives the connecting piece and the sealing cover to move, the liquid outlet is opened, and the sealing cover and the connecting piece form a flow guide blocking structure, so that liquid flowing out of the liquid injection needle flows out all around; and after finishing, the elastic reset piece drives the liquid injection needle to reset, and the sealing cover and the liquid outlet are closed to form sealing. By optimizing the design of the liquid injection needle and the sealing assembly, the electrolyte can be accurately guided to flow to a target area, splashing and dripping are prevented, and the corrosion risk of a battery assembly is reduced; the elastic reset piece achieves the automatic reset function, the production efficiency and the automation level are improved, meanwhile, the equipment cost is reduced, and the production process is simplified.