26 results about "Technological research" patented technology

1. The name of the design product: roller extrusion injury safety body feeling device. 2. The use of the design product: used for simulating the process of roller extrusion, for users to experience the relevant operation, which can be used for training operators to be familiar with the use of roller extrusion equipment, and also can be used for related technical research and display, helping people to understand the principle and effect of roller extrusion more intuitively. 3. The design points of the design product: the combination of shape and color. 4. The picture or photo that best indicates the design points: perspective view. 5. The design for which protection is sought contains color. 6. The bottom surface of the design product is a part that is not easy to see or cannot be seen during use, and the top view is omitted.

The utility model relates to the technical research field of resistance detection and recording and appearance detection of thermoelectric refrigeration devices, in particular to a device for automatically detecting and recording the resistance of a thermoelectric refrigeration device. The device comprises a computer, a displacement control system, a coordinate platform, a visual microscope and a resistance test system, the computer, the displacement control system, the visual microscope and the resistance test system are placed on the surface of the coordinate platform, and the computer is connected with the displacement control system and the resistance test system. And a displacement controller and a mechanical control part of the displacement control system, a fixed arm of the coordinate platform, a microscope fixing bracket of the visual microscope and a resistance tester of the resistance test system are respectively fixed on a platform mounting surface of the coordinate platform through bolts. According to the utility model, accurate positioning, resistance detection recording and appearance detection can be carried out on the thermoelectric device with the size from millimeter to submicron, and the device has the characteristics of high precision, high automation degree, high stability, easy popularization and the like.

The present application belongs to the technical field of acoustic measurement, and particularly relates to an acoustic flow tube test platform and a test method thereof, wherein the transfer loss measurement of an acoustic metasurface under a flow field working condition is performed through the acoustic flow tube test platform, the test piece installation tube of the acoustic flow tube test platform can install most of the test pieces of the acoustic metasurface, and is beneficial to the acoustic metasurface related technology research; meanwhile, the test platform creates a flow acoustic measurement environment, based on the scattering matrix theory, the reference signal, the self-spectrum and the cross-spectrum signal processing method are used to weaken the influence of the turbulent flow pressure disturbance, the double load method is used to solve the parameters of the scattering matrix and calculate the acoustic characteristics of the acoustic metasurface to be measured, and the transfer loss measurement problem of the acoustic metasurface under the low Mach number (<0.3 Mach) tangential flow and in the low-middle frequency range (300-2000 Hz) is solved, and the technology will be widely used in the fields requiring noise reduction such as unmanned aerial vehicles, eVTOL, household appliances, automobiles and the like.

The invention provides a horizontal directional drilling construction method for municipal underground pipelines, which comprises the following steps of: investigating a field actual construction area, and collecting and analyzing stratum data; setting parameters; gradually implementing; the construction scheme is optimized; an implementation scheme is determined, and the monitoring device performs real-time monitoring. The method has the beneficial effects that the horizontal directional drilling construction technology for research is applied to construction of underground pipelines under the complex conditions, and construction technology research of horizontal directional drilling under the complex municipal pipe network conditions is formed by combining previous horizontal directional drilling construction and construction quality control research results. According to the technical research, pipeline laying construction can be effectively carried out under complex construction conditions, the construction quality is enhanced, the cost can be saved, the influence on the surrounding environment in the construction process is reduced, and the method is expected to be widely applied to construction areas with complex urban underground pipeline distribution, close to building structures or crossing rivers and railways and the like. And certain economic, social and environmental benefits are obtained.

The present invention belongs to the field of infrastructure technology, specifically a construction method for a subway underground excavation station project. The construction technology of the subway underground excavation station project is initially developed through research methods such as technical investigation, theoretical analysis and numerical simulation, advanced geological prediction, field experiments and field tests, induction and summary, technical refinement, and reference to a large number of foreign technologies. At the same time, the current status of similar engineering and technical research and application at home and abroad is also fully grasped. Furthermore, the causes of excavation accidents are analyzed. Based on various investigations and analyses, a detailed research outline and work plan are formulated. Furthermore, theoretical analysis and numerical simulation methods are used to study the surrounding rock stress redistribution and displacement distribution law and the force characteristics of the support structure during the pilot tunnel excavation process; so that the construction technology of the subway underground excavation station project in the present invention can be carried out quickly and safely step by step during execution, ensuring the completion time and quality.

The invention is suitable for the technical field of electric energy storage, and provides a teaching experiment platform and method for simulating a hybrid energy storage system to participate in power grid frequency modulation, the teaching experiment platform comprises a power grid, the power grid is electrically connected with an energy storage unit through an AC bus, and the output end of the power grid is also electrically connected with a simulation power generation unit. The output end of the simulation power generation unit is electrically connected with the alternating current bus, a first switch is arranged between the simulation power generation unit and the alternating current bus, and the energy storage unit at least comprises a flywheel energy storage unit, a battery energy storage unit and a simulation load unit which are connected in parallel through the alternating current bus; according to the teaching experiment platform and method for simulating the participation of the hybrid energy storage system in the power grid frequency modulation, the distributed power generation units and various types of energy storage devices are configured, and the various energy storage devices can be flexibly combined through the alternating current bus, so that various different types of microgrids are constructed; and diversified scenes are provided for technical research, equipment monitoring and personnel training of the alternating current bus.

This invention discloses a test device for simulating the dynamic response of a marine towed cable under swaying towing conditions, relating to the interdisciplinary research fields of fluid mechanics and structural mechanics. Its features include a planar motion module, a towed cable suspension module, a connecting module, and a towed cable model. The planar motion module is connected to the connecting module, which includes a first universal joint, capable of moving the first universal joint in the X and Z directions. The towed cable suspension module includes a second universal joint, which can adjust and fix the position of the second universal joint in the X and Z directions. The towed cable model is connected to the first and second universal joints. This invention can realize dynamic response tests of marine towed cables under different swaying periods and amplitudes without affecting the flow field around the towed cable during the test. The test device can be disassembled into smaller components for easy transportation and installation.

The invention belongs to the technical field of skin cancer early diagnosis, and discloses a skin cancer early diagnosis-oriented generative adversarial network method based on multi-objective co-evolution, which comprises the following steps: S1, designing a generative adversarial network based on multi-objective co-evolution, and recording the generative adversarial network as MCE-GAN, optimizing the generative adversarial network MCE-GAN by combining a multi-objective evolutionary algorithm and a co-evolutionary algorithm; s2, a skin cancer image enhancement and early diagnosis model based on MCE-GAN is constructed, the model comprises two stages of skin cancer data enhancement and skin cancer early diagnosis, and the skin cancer image enhancement and early diagnosis method based on MCE-GAN has the beneficial effects that multi-objective optimization, an evolutionary algorithm and an image generation enhancement method are fused, so that the image quality can be remarkably improved, and the image quality can be improved; the method also enhances the accuracy of the image in skin cancer diagnosis, has important practical application prospects, and provides a new technical research thought for the field of medical image analysis.

The application discloses a technical term extraction method for large-scale text data, and comprises the following steps: step S1, first, a set of term candidate words is generated, after obtaining a candidate data set, the term candidates need to be sorted and screened, so that the final technical term is determined; step S2, technical terms in text data including news text and PDF files of scientific and technological literature are extracted, for the PDF files, text content extraction is first carried out, text content is obtained, and then technical term extraction is carried out on the text content. The technical term extraction method for large-scale text data is used for technical term extraction for large-scale text data, acquires a field research theme, constructs a scientific and technological research and development event, and realizes extraction of event arguments and trigger words through an event extraction algorithm based on deep learning, so that a scientific and technological event library is formed.

The application discloses a component-controllable simulated moon soil preparation method based on thermal phase change and belongs to the technical field of moon soil simulation material preparation.The application realizes controllable adjustment of the content of main mineral phases (plagioclase, pyroxene, olivine and amorphous phase) through thermal melting and crystallization processes, and determines the mixing ratio in combination with a nonlinear programming model, so that the simulated moon soil is highly similar to the target moon soil in terms of mineral phase composition, microstructure, optical performance and thermal performance.The method provides a high-fidelity simulation material with adjustable components for the ground experiment of ISRU technology (such as sintering, metallurgy and in-situ 3D printing), and solves the problem that the traditional simulation material preparation method cannot perform fine component factor test design in the related technical research process.

The invention relates to the technical research field of ocean engineering construction, in particular to a method for predicting local scouring of a pier, which innovatively combines a pier local scouring empirical formula which is verified by actual measurement data and is suitable for a target sea area with a two-dimensional numerical simulation technology. The selected empirical formula is fit based on a large amount of measured data, so that the calculation process is simple, convenient and rapid, and the high precision of a prediction result is ensured.

The utility model belongs to the technical field of urban waste water supply pipeline treatment, and particularly relates to an indoor simulation device for urban waste water supply pipeline filling. The system comprises an urban waste water supply pipeline which is provided with a grouting port; a grouting material containing a curing agent is stored in the storage barrel; a material injection opening in one side of the stirring mechanism is communicated with the material storage barrel, a material outlet in the other side of the stirring mechanism is communicated with a grouting opening of the urban waste water supply pipeline through a grouting pipe, and a grouting pump is arranged on the grouting pipe; a water outlet of the water tank is communicated with a water inlet of the stirring mechanism. The indoor simulation device is high in practicability, easy to implement and capable of being used for filling large urban waste water supply pipelines in the future; meanwhile, the device provides support for solving the problems of excavation and backfilling and surface collapse in actual engineering, the simulation characteristic of the device assists technical research and optimization, and development of the urban waste water supply pipeline treatment technology is powerfully promoted.

The application discloses a kind of based on semantic medical robot synchronous positioning and mapping technical research method, method includes: obtaining the environment around robot;According to the environment information of surrounding, robot positioning is carried out;The map of current environment is constructed;According to the feature of different objects, medical staff or medical equipment is segmented;Optimized map information is constructed;Design based on semantic medical robot positioning and mapping;On the basis of ORB-SLAM3, semantic information is added.The method provided by the application comprehensively considers the flow of medical staff and patient under complex hospital environment, and the use of semantic information can also enable medical robot to identify medical equipment, lay the foundation for executing other higher-level tasks.

This invention discloses a variable dip angle model device and its application method for simulating reservoir development at different dip angles. The variable dip angle model device includes: a first variable dip angle hexahedral core model, a second variable dip angle hexahedral core model, and a third variable dip angle hexahedral core model; the first variable dip angle hexahedral core model is connected to the second variable dip angle hexahedral core model; the second variable dip angle hexahedral core model is also connected to the third variable dip angle hexahedral core model. This invention solves the current difficulty in achieving indoor experimental testing techniques at different dip angles, provides an objective experimental basis for numerical simulation technology research, improves this aspect of technical research, and helps in optimizing enhanced oil recovery technologies for this type of reservoir.

This invention discloses a measurement platform for generating low Reynolds number and low turbulence flow based on the ejection principle, belonging to the field of hydrodynamic experimental technology research. The measurement platform comprises a high-speed inlet section, a convergence section, an experimental section, and an outlet section connected sequentially, forming a linear, non-closed measurement platform. The high-speed inlet section introduces a high-speed water flow with controllable velocity via a high-speed pump. A flow guide device within the high-speed inlet section directs the water flow to both sides before it enters the convergence section. Adjustable-height stilling water tanks are connected to both sides of the convergence section to regulate the pressure of the still water within the convergence section. The adjustable-speed water flow and the adjustable-pressure still water mix in the convergence section based on the ejection principle, ultimately generating a low Reynolds number and low turbulence flow in the experimental section, where hydrodynamic experiments are conducted. The outlet section is used to discharge the water flowing out of the experimental section. This invention solves the problem that existing traditional water tunnel devices cannot generate low Reynolds number and stable velocity flows, and features a simple structure that is easy to assemble and disassemble.

The invention belongs to the technical field of solid waste resource utilization and environmental health, relates to a chlorine dioxide generation technology based on ceramsite preparation, and discloses a preparation method of ceramsite with integrated functions of deodorization, peculiar smell removal, disinfection and sterilization for a semi-closed space environment. An economical, green and safe ClO2 slow-release carrier-porous ceramsite with high porosity and proper strength is prepared, on the basis, a composite gel is used for blocking a slow-release precursor and balancing Hmigration and ClO2 diffusion rate, a safe, stable and long-acting ClO2 slow-release system is constructed, the system has sterilization and deodorization functions on a semi-closed space environment, and the system has a good application prospect. A new method and a new thought are provided for comprehensive utilization of the coal gangue, and the method has important significance in promoting technical research of environment-friendly ClO2.

The invention belongs to the technical field of drilling test and verification equipment, and provides a multidirectional control and lateral drilling guide experiment device which comprises an experiment table, a lifting table, a linear lifting device, a direction control and power mechanism, a connecting rod mechanism, a drill bit mounting plate, a pressure bearing seat, an adjusting mechanism and a rock breaking simulation assembly. The invention mainly aims to simulate the rotation action of a reversing mechanism when a drill bit breaks rock, test and analyze the structural strength, angle position parameters and compression conditions of each component, simulate the reaction torque of a rock stratum to the drill bit, and reproduce the actual drilling process through the interaction between a solid matrix and the drill bit. The device integrates the functions of lifting, angle adjustment, rotation driving, reaction torque simulation and rock breaking drilling simulation, can simulate the multi-angle and lateral drilling process of a drill bit at different angles and in different stress states in an omnibearing mode, and provides comprehensive experimental data support for directional drilling technology research.

The invention discloses a repairing method for a TW-7 coating of an aero-engine duct. The repairing method comprises the following specific steps: (1) preparing materials; (2) test work; (3) obtaining a test result and discussing; the method has the advantages that according to the shape structure and the coating performance of the conduit, the coating repairing technology research is developed, and finally, the self-repairing production of the TW-7 coating on the surface of the conduit is realized. According to the method, the size and structural characteristics of the conduit are fully considered, and the coating requirements of the coating are also fully considered, so that the coating repairing method is successfully researched. The method is very practical, guide pipes with TW-7 coatings of various models of aero-engines can be designed for reference, and the method not only can be applied to the field of aero-engines, but also can be widely applied to various industries.

This invention belongs to the technical field of agricultural product testing equipment, specifically relating to a stalk strength testing device for testing the lodging resistance of sugarcane. The device includes a base, a rotating mechanism, and a testing mechanism. Two vertical screen plates are spaced apart on the base, and a sugarcane fixing cylinder is positioned between the two vertical screen plates on the base. The rotating mechanism is rotatably connected to the inner side of each of the two vertical screen plates, and the testing mechanism is rotatably connected to the upper end of the rotating mechanism. This device has a reasonable structure and strong adaptability, can simulate real lodging scenarios, and achieves accurate quantitative detection of angle and force values. It is easy to operate and provides stable testing, offering scientific data support for the breeding and cultivation optimization of lodging-resistant sugarcane varieties. It is suitable for sugarcane industry technology research and application scenarios.

This application relates to the technical field of ship performance testing, and specifically to a land-based ship ladder virtual-real symbiotic rocking system and device. The system comprises: a digital simulation module that constructs a virtual digital model of the ship hull based on wave parameters and ship type data, simulates the motion of the hull in different sea conditions, obtains control signals from the three servo motors of the ship ladder in roll, pitch, and heave, and optimizes the control signals; and a physical simulation module in which the three servo motors control the three degrees of freedom of roll, pitch, and heave, respectively, using the control signals optimized by the digital simulation module. This application aims to improve the accuracy of the ship ladder land-based rocking test bench in simulating real sea conditions, and to establish a scientific research system and platform that can conduct ship ladder technology research at any time on land.

The utility model discloses a special test device for papermaking research, which comprises a cabinet body, a gum dipping tank is arranged at the top of the cabinet body, a positioning frame is arranged in the gum dipping tank, a filter plate is arranged in an inner cavity of the positioning frame, and glass fiber paper is arranged on the upper surface of the filter plate. A production field is simulated to the maximum extent, technical research on papermaking (wood pulp paper, glass fiber paper and mixed pulp paper) industry in a laboratory is facilitated, and the research efficiency, stability and parallelism are improved; the paper surface is not damaged or extruded, the current situation of papermaking is truly restored, the device is convenient to manufacture, low in cost, easy to maintain and high in automation degree, waste liquid can be effectively collected, environmental pollution is avoided, the proportion and feeding of materials can be rapidly controlled, the gluing amount, gluing thickness and uniformity can be adjusted in multiple modes, operation is easy, and production efficiency is improved. And the safety and the reliability are high.

The invention discloses a preparation method of component-controllable lunar soil simulation based on thermally induced phase change, and belongs to the technical field of lunar soil simulant preparation. Controllable adjustment of the content of main mineral phases (plagioclase, pyroxene, olivine and amorphous phase) is realized through thermally induced melting and crystallization processes, and a mixing ratio is determined in combination with a nonlinear programming model, so that the simulated lunar soil highly simulates target lunar soil in mineral phase composition, microstructure, optical performance and thermal performance. According to the method, a high-fidelity simulation material capable of regulating and controlling components is provided for ground experiments of ISRU technologies (such as sintering, metallurgy and in-situ 3D printing), and the problem that fine component factor experimental design cannot be carried out in the related technology research process of a traditional simulant preparation method is solved.

The present application relates to the technical research field of offshore engineering construction, and particularly relates to an underwater sand curtain suitable for offshore construction and a laying method thereof, which forms a shelter for a protected sea area by using a flexible sand curtain, changes a near-bottom flow field, promotes the deposition of silt in seawater, and achieves the purpose of sand interception. In addition, compared with traditional construction of engineering measures such as submerged dike and ecological sand fixation, the sand curtain of this form can be processed and modularly assembled on land, and only needs to be thrown and laid by a construction ship during offshore construction, so that the construction speed is extremely fast, the construction cost is greatly reduced, and meanwhile, the planar layout of the sand curtain can be flexibly corrected according to the actual situation on site, so that the optimal sand interception effect is finally achieved, and the laying flexibility is high.

The invention discloses an intelligent FAQ drive troubleshooting method and system, and relates to the technical field of problem identification and troubleshooting, and the method comprises the steps: carrying out the scene modeling and FAQ configuration for a common problem scene, and designing a proxy interface mechanism; performing question response according to the input natural language question description by utilizing a large language model, and identifying question types and scenes; and according to the identified scene, triggering an agent interface to collect problem related data, performing fault identification by using the large language model, and meanwhile, matching a unique solution from an FAQ library, and sending the unique solution to a problem response end. According to the invention, intelligent, efficient and standardized problem identification and automatic troubleshooting are realized, and a new thought is provided for technical research on the aspects of problem identification and troubleshooting.

The invention relates to the technical field of research and development cost management, in particular to a science and technology research and development project cost management and control system. The project information module is used for sorting project information; the personnel information module is used for sorting project personnel information; the database module is used for tracing information of projects and project personnel; the retrieval module is used for acquiring information of projects and personnel; the cost statistics module is used for adjusting data of personnel project cost, the storage module is used for uploading flow data of each item of cost to the database module and is traceable, the communication module is used for providing a communication network for the storage module, and the display module is used for displaying a display image processed by the cost statistics module. According to the method, data of the overlapping personnel of the multiple projects can be screened out, the labor proportions of the overlapping personnel of the multiple projects in different projects are analyzed and calculated, the optimal adjustment scheme can be obtained through distribution and evaluation, and the cost is saved.

1. The name of the design product: electric energy information collection and management comprehensive troubleshooting device. 2. The use of the design product: the device is used for meter installation and power connection, collection and maintenance, technical research, training and learning, theoretical verification, practical training, examination and identification, and skill competition, etc. by electric information collection and maintenance personnel, electric inspection personnel, rural power distribution business personnel, and meter installation and power connection personnel. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. Other circumstances that need to be explained: the left view and the right view at A are hollow designs.