19results about How to "Improve application convenience" patented technology

The invention provides a traction substation grounding grid breakpoint fault diagnosis method, and belongs to the technical field of traction substation grounding grids, and the method comprises the steps: firstly constructing an equivalent simulation circuit grid model of a traction substation grounding grid, and simulating the pilot frequency AC excitation current of traction backflow; grounding grid potential distribution data are collected in different working states, and normalization is carried out to form training samples. And then constructing a fuzzy neural network fault diagnosis model, and training to obtain the fault diagnosis capability. And finally, collecting surface potential data of a to-be-detected traction substation grounding grid, normalizing the surface potential data, and inputting the surface potential data into the diagnosis model to judge whether a breakpoint fault occurs or not and the position of the breakpoint fault. According to the traction substation grounding grid breakpoint fault diagnosis method provided by the invention, the advanced electromagnetic field theory, fuzzy logic and neural network technologies are fully fused, the defects of the existing diagnosis method are overcome, and the technical problems of insufficient diagnosis precision and efficiency in the aspect of grounding grid fault diagnosis in the prior art are solved.

The invention discloses a transformer substation secondary circuit drawing intelligent processing method and system, belongs to the technical field of electric power system digitization, and aims to solve the problems that the missing detection and false detection rate of old fuzzy drawings is high, a deep learning model lacks topological semantic understanding, full-process automation is insufficient, and structural management is lacked in conventional secondary circuit drawing processing. According to the core scheme, the method comprises the steps of segmenting an image through a U-Net network to generate masks, generating a structured topology table in combination with a primitive database, converting the structured topology table into nodes and directed edges with electrical attributes, constructing a queriable graph database integrating version management, rule check and a layout optimization algorithm, and finally generating a standard format drawing. According to the scheme, the primitive recognition and topology analysis precision is improved, deep mapping from images to electrical logic is achieved, full-process automation is achieved, version tracing and rule verification are supported, and standardized drawings are produced.

The invention discloses a quercetin anti-wrinkle composition with high content and high stability and application. The composition is prepared from the quercetin, the 4-tert-butyl cyclohexanol and the isopropyl lauroyl sarcosinate. Compared with the prior art, the oily composition of 4-tert-butyl cyclohexanol, isopropyl lauroyl sarcosinate and quercetin is constructed, the problem that quercetin is difficult to dissolve can be effectively solved, and the application convenience of quercetin is greatly improved; the content of quercetin in the composition is high, and the composition has a certain anti-wrinkle effect; the 4-tert-butyl cyclohexanol and the isopropyl lauroyl sarcosinate have a synergistic effect on the dissolution of the quercetin; the composition can be used for preparing quercetin microemulsion after being compounded with other grease, and has extremely high stability. Therefore, the method has important application value in the field of cosmetics.

The invention discloses a bimetallic asymmetric reduction Schiff base catalyst for synthesizing ethylene carbonate and a preparation method of the bimetallic asymmetric reduction Schiff base catalyst. According to the catalyst, a diamine compound is subjected to selective single-side protection, the imine reduction position is controlled, and a bimetallic active center is introduced; the controllable synthesis of a product for reducing the outer side imine and a product for reducing the inner side imine is realized; the obtained product is recrystallized to obtain a monoimine-monoamine type ligand with a clear asymmetric structure, the monoimine-monoamine type ligand and metal salt form a bimetallic catalyst, and the catalyst generates a synergistic effect through double active sites and shows high catalytic activity and excellent product selectivity.

The invention provides an insect body axial ratio inversion method and device based on RCS features and a medium, and belongs to the technical field of insect radars. The method comprises the following steps: determining an incidence relation between each directional diagram characteristic parameter and an insect body axial ratio based on an analysis result of a preset insect collinear polarization directional diagram, and determining a plurality of insect body axial ratio estimators based on the incidence relation; wherein the association relationship at least comprises the association relationship with the insect body length and the association relationship with the insect body width; the insect body axial ratio estimator is used for representing the quantitative relation between the insect polarization characteristic and the insect body axial ratio; according to each insect body axis ratio estimator and a preset XGBoost regression algorithm, constructing a pre-trained body axis ratio inversion model; wherein the body axial ratio inversion model establishes a mapping relation between each insect body axial ratio estimator and the insect body axial ratio; and deploying the body axial ratio inversion model to a user terminal, so that the user terminal performs insect body axial ratio inversion based on the input insect collinear polarization directional diagram and the body axial ratio inversion model.

The invention discloses a driving circuit for a double-path output LED vehicle lamp. On and off of the two LED lamp sets are controlled by adopting an input MOSFET full-bridge rectifier circuit, a diode signal rectifier bridge and an output circuit of the LED lamp sets, the MOSFET full-bridge rectifier circuit integrates an existing MOSFET non-polarity reverse connection circuit, the circuit is simplified, meanwhile, an anti-interference first-stage triode control circuit is added, the applicability is wider, and use is more convenient; in addition, non-polarity can be achieved through the input bridge rectifier module, a user does not need to worry that a lamp is not turned on or automobile fuses are burnt out due to reverse insertion, and an original automobile is not damaged. The driving circuit is suitable for driving the double-path output LED car lamp, the LED car lamp is prevented from being damaged after input end signals are reversely connected, and meanwhile two paths of LED car lamp selection output are provided.

The utility model provides a nitrogen inflation and deflation device for an oil cylinder of a nose landing gear of an unmanned aerial vehicle. The nitrogen inflation and deflation device comprises an industrial nitrogen source, a pressure reducing valve connector, a valve connector, a handle, an inflation and deflation valve, a high-pressure air pipe, a deflation switch and an inflation switch. The pressure reducing valve joint is assembled at the bottom of the handle, is in threaded connection with the handle and is connected with an industrial nitrogen source; one end of the high-pressure air pipe is connected with the front part of the handle, and the other end is connected with the valve joint; the valve joint is fixed on the inflation and deflation valve; the inflation and deflation valve can be connected with a nose landing gear oil cylinder of the unmanned aerial vehicle; the deflation switch is assembled on the side face of the handle, and the inflation switch is installed on the front portion of the inflation and deflation handle. According to the nitrogen charging and discharging device for the oil cylinder of the nose landing gear of the unmanned aerial vehicle, nitrogen in the oil cylinder of the nose landing gear of the unmanned aerial vehicle can be charged and discharged by manually operating the nitrogen charging and discharging device anytime and anywhere, and the application convenience of the nitrogen charging and discharging device for the oil cylinder of the nose landing gear of the unmanned aerial vehicle is greatly improved.

The invention discloses a latent heat element which can be arranged beside at least one battery cell of a battery module. The latent heat element includes an outer package, a high evaporation latent heat material, and a fluidity reducing material. The outer package is provided with a containing space. And the high-evaporation latent heat material is filled in the accommodating space and can be used for absorbing heat released by the battery cell. The liquidity reducing material is filled in the accommodating space and is mixed with the high evaporation latent heat material. The flowability reducing material can be used to reduce the flowability of the high latent heat of evaporation material. The material with high latent heat of evaporation can quickly disperse heat of the battery cells, so that the temperature of the battery cells can be effectively balanced, and the battery cells in other areas can be prevented from heat explosion. The fluidity reducing material can improve the application convenience and cooling effect of the latent heat element.

The invention belongs to the technical field of pipeline structure strength analysis and plastic energy absorption structure design, and particularly relates to a method for correcting plastic damage deformation of a pipeline. The invention provides a method for correcting plastic damage deformation of a pipeline, which comprises the following steps of: further dividing a partial region into a rigid section and a residual plastic region, and continuously correcting the size of the rigid section through comparison before and after curvature to obtain a force-displacement response curve; and finally, through a finite element verification method combining a J2 plastic deformation full-amount constitutive model considering a large deformation effect and a rigid region judgment step under a one-time unloading hypothesis, and a compilation method of a corresponding Abaqus user-defined subprogram UMAT, accurate calculation of a crushing global force-displacement response curve of the cross section of the pipeline on an upper flat plate and a lower flat plate can be realized, and the accuracy of the pipeline cross section is improved. And safety evaluation and damage evaluation of the pipeline structure are realized.

The present invention discloses a movable high-speed rail logistics folding rapid transfer system, which belongs to the technical field of high-speed rail logistics. By setting a folding transfer vehicle composed of a folding component, a driving unit, a driven unit and other components, a transfer platform for automatic transfer of goods can be quickly formed between a warehouse and a train, thereby realizing the rapid transfer of goods between the warehouse and the train. Through the corresponding arrangement of the folding component, the folding transfer vehicle can fold itself after completing the transfer of goods, reducing the space occupied by it during storage, and can be transferred to different sites for use, reducing its use cost. The movable high-speed rail logistics folding rapid transfer system of the present invention has a simple structure and is easy to control. It can effectively reduce the workload of manual handling, reduce the labor cost in the operation process of high-speed rail logistics, improve the efficiency of cargo transfer, reduce the occupation of space, improve the platform utilization rate, and reduce the operating cost of high-speed rail logistics. It has good practical value and promotion value.

The invention relates to a preparation method and application of a core-shell structure europium complex-containing double-tracing polystyrene microsphere, and a double-tracing polystyrene microsphere material, namely a double-tracing EU (at) PS microsphere material, prepared by the preparation method disclosed by the invention can be used for preparing the europium complex-containing double-tracing polystyrene microsphere without changing the inherent characteristics of MNPs, especially the surface characteristics of the MNPs. Therefore, a feasible solution is provided for tracking, positioning and quantifying the MNPs in an actual environment, and the method is characterized by comprising the following steps: step 1, synthesizing a europium complex Eu (DBM) 3phen; and step 2, synthesizing EU (at) PS microspheres containing Eu (DBM) 3phen, a core particle in the microspheres is formed by dispersing Eu (DBM) 3phen in a copolymer, the copolymer is formed by copolymerizing styrene and methyl methacrylate, and a shell coating the core particle is polystyrene formed by polymerizing styrene.

The invention relates to a composite current collector, a preparation method thereof and a battery, the composite current collector comprises a net-shaped substrate and a metal layer, and the metal layer covers one surface of the net-shaped substrate along the thickness direction and the inner walls of meshes of the net-shaped substrate; the net-shaped matrix is composed of nanofibers, and the nanofibers comprise a polymer, a polyoxometallate solid electrolyte and a conductive agent; the net-shaped base body comprises a main body part and an edge part, the edge part is located on at least one side of the main body part in the width direction of the net-shaped base body, and meshes of the edge part are filled with metal materials. Therefore, the mass energy density and the safety performance of the battery can be improved.

The utility model discloses a water quality monitor for environmental engineering, and belongs to the field of water quality monitoring. The device comprises a detection box body and a sample bottle, a containing groove for containing the sample bottle is formed in the detection box body, and a limiting assembly for limiting the sample bottle from shaking in the containing groove is further arranged between the sample bottle and the detection box body; the groove is formed in the outer wall face of the lower portion of the sample bottle and extends inwards, the limiting rod is arranged on the inner wall of the containing groove in a sliding mode, the limiting rod extends in the direction close to or away from the groove, and the tail end of the limiting rod is connected with a first spring; the front end of the limiting rod can be driven to be inwards matched and embedded into the groove in the lower part of the sample bottle, and the tail end of the limiting rod extends out of the groove. Sample bottles can be stably installed and clamped in the detection box, the position stability of the sample bottles is guaranteed, and the detection accuracy and safety are improved.

The invention provides a card identification processing method, device and equipment, and relates to the data processing technology, and the method comprises the steps that a first system responds to the insertion operation of a card, obtains an insertion event, carries out the authentication identification processing of the card, and obtains the identification result information; the identification result information characterizes whether the card is an encrypted card that can be used in the first system. And if the first system determines that the identification result information represents that the card is an encryption card which cannot be used in the first system, the first system sends the identification result information to a second system, so that the second system determines that the card is a memory card according to the received identification result information, and identification processing of the card is completed. According to the method, the types of the cards are sequentially identified in the first system and the second system, the whole identification process is fully automatic, the application convenience of the encryption card and the storage card in the dual systems is improved, the working data leakage caused by the type error of the identification card is avoided, and the user experience is improved. The technical problem that the identification difficulty of the encryption card and the storage card is large is solved.

The embodiment of the invention provides a network detection method and device, electronic equipment and a storage medium, and relates to the technical field of internet application, the method is applied to a terminal, and the method comprises the following steps: running a dynamic domain name service in the terminal, sending a detection message to a first public network address every a first preset time period under the condition that the dynamic domain name service is received and a first binding relationship between a first domain name and a wide area network interface address of a router exists in the dynamic domain name service; under the condition that a detection response returned by the gateway of the router is received, determining a current wide area network interface address of the router according to the detection response; and under the condition that the current wide area network interface address of the router is inconsistent with the wide area network interface address existing in the dynamic domain name service, updating the wide area network interface address of the router in the first binding relationship. According to the embodiment of the invention, automatic connection of the DDNS is realized.

The utility model relates to the technical field of aluminum alloy production, in particular to a point marking drill for an aluminum alloy rectangular sample, and aims to solve the problem that when an aluminum alloy sample is subjected to an elongation measurement test at present, a common marking mode is used for marking the sample; the problem that the accuracy is reduced when the sample is subjected to a tensile test due to the fact that the sample slips and is unstable and the spacing error of the marking points is large due to frequent influence of factors such as sample deformation is solved. The point marking drill mainly comprises a handle, a mounting cavity, a point marking rotating wheel, a screw rod, point marking tooth tips and the like, and the point marking rotating wheel stably moves along the center line of a sample by flattening the handle along the center line of the sample and moving the whole point marking drill, so that the point marking tooth tips at preset intervals are ensured to uniformly hit points on the surface of the sample; and meanwhile, the sample is effectively flattened, the influence of sample deformation on the accuracy of the marking process is avoided, and then the overall quality of tensile sample preparation and the performance index of the test are improved.

The invention provides a task submission method, electronic equipment and a storage medium, and the task submission method comprises the steps: responding to a received task instruction of a user, and displaying a configuration component for target calculation software; receiving configuration parameters input by a user based on the configuration component; generating a task script according to the configuration parameters, the configuration component and the identification information of the target calculation software; and submitting the task script to a target cluster. The problems that in a computing power resource application scene, the task configuration process is tedious, and the user learning cost is high are solved, and the application convenience of computing power resources is greatly improved.

The utility model discloses a kind of support device of integrated telescopic charging and direction adjusting support function, it is related to electronic equipment accessory technical field, it includes load-bearing pedestal structure, position adjusting link structure, direction adjusting support structure and telescopic wire body structure.The device is integrated by integrating equipment positioning and charging function, effectively improve the overall function synergy and application convenience, simultaneously, using the synergistic effect of position adjusting link structure and direction adjusting support structure, support height and pitch angle can be flexibly adjusted according to actual demand, effectively meet the use demand of different scenes, in addition, the overall application convenience is further improved by the telescopic design of telescopic wire body structure, and effectively reduce space occupation, with good practicality and market promotion value.

The application discloses application of a compact CRISPR / SwCas9 system in corn gene editing. Zmzb7 and ZmF3H The editing efficiency of T0 plants targeting the genes is 60% and 75% respectively. The application provides a novel tool with independent intellectual property right, compact size and high efficiency for corn gene knockout and multi-target point editing.