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51results about How to "Improve practical ability" patented technology

SDH communication equipment fault maintenance simulation teaching method and system based on digital twinning

The invention discloses an SDH communication equipment fault maintenance simulation teaching method based on digital twinning. The method comprises the following steps of S1, equipment simulation, S2, fault scene definition, S3, fault injection, S4, fault simulation, S5, fault diagnosis, S6, fault repair and S7, evaluation and feedback. The system has the advantages that a real SDH equipment fault scene can be simulated, fault checking and repairing training close to actual combat can be provided for students, excessive consumption and high purchase cost of entity equipment are avoided, virtual simulation of an SDH communication equipment fault mode is realized by constructing a high-precision SDH communication equipment digital twinborn body, and the simulation efficiency of the SDH communication equipment fault mode is improved. And fault processing training close to a real environment is provided for students. The invention provides an efficient, economic and safe SDH communication equipment fault maintenance skill training method so as to improve the practical ability and the troubleshooting efficiency of trainees.
Owner:NEI MENG GU CHAO GAO YA GONG DIAN JU

Education resource data sharing method and system, electronic equipment and storage medium

The embodiment of the invention provides an educational resource data sharing method and system, and the method comprises the steps: distributing a first conference role or a second conference role of a multimedia teaching conference for each conference terminal participating in the conference when the multimedia teaching conference is created, and enabling different conference terminals to be arranged in different classrooms; acquiring educational resource data in real time from the first conference terminal to which the first conference role is allocated; and sharing the educational resource data to a second conference terminal to which the second conference role is allocated, so that the second conference terminal displays the educational resource data. According to the embodiment of the invention, cross-region and cross-school real-time sharing of educational resources is realized, effective utilization and fair distribution of high-quality educational resources are promoted, and balanced development of education and improvement of teaching quality are promoted.
Owner:CHONGQING SHILIAN TECHNOLOGY CO LTD

Virtual assembly training system based on UE

The invention discloses a virtual assembly training system based on UE. The virtual assembly training system comprises a training course making module, an interactive training module, a data model library module, a user management module and the like. The training course making module imports a three-dimensional model from multiple sources, can import external animation resources and provides a visual management interface; the interactive training module carries out training, simulation operation assessment, theoretical knowledge assessment and training effect assessment in a three-dimensional virtual system constructed based on the UE by importing the made training course; the data model library is used for completing storage of training course data and user use data; and the user management module is used for realizing storage and management of training process data, training examination data and training effect evaluation data of the user, and is also used for controlling classification and authority of the user. The method has the beneficial effects of improving the learning efficiency, reducing the training cost, improving the safety, enhancing the practical ability, improving the student participation degree, accurately evaluating the training result and the like.
Owner:KUNMING SHIP EQUIPMENT RESEARCH & TESTING CENTER (CHINA SHIPBUILDING CORP 750 TEST SITE)

Fault removal and maintenance system in virtual environment of ship electromechanical equipment

The invention belongs to the technical field of troubleshooting and maintenance in a ship electromechanical equipment virtual environment, and relates to a troubleshooting and maintenance system in the ship electromechanical equipment virtual environment. According to the method, the virtual environment of the target ship electromechanical equipment is constructed and the evaluation condition of the virtual environment is analyzed, so that the more vivid virtual environment of the target ship electromechanical equipment is constructed, fault elimination and maintenance drilling of maintenance personnel in the virtual environment are facilitated, the trial and error cost of actual maintenance is reduced, and the maintenance efficiency is improved. The practical ability and the emergency processing ability of the maintenance personnel are improved, and the maintenance personnel can find and correct the advantages and deficiencies of the maintenance personnel in the maintenance process by analyzing the evaluation indexes of the current fault removal maintenance test of the maintenance personnel corresponding to the fault simulation states, and carry out targeted improvement, so that the maintenance personnel can conveniently carry out maintenance and maintenance. By analyzing the comprehensive evaluation condition of the troubleshooting maintenance test of each maintenance personnel, the maintenance personnel with excellent skills are identified, and the personal development plan of each maintenance personnel is formulated.
Owner:JIMEI UNIV

Study-section progressive AI ethic scene simulation teaching method and system

The invention provides a teaching method and system for progressive AI ethic scene simulation in different learning segments, and the method comprises the steps: constructing a progressive AI ethic scene library in different learning segments according to different scene grades and corresponding task requirements; configuring a scene simulation platform and an AI ethic guidance module; based on the AI ethical scene library, the scene simulation platform and the AI ethical guidance module, progressive scene simulation and real-time task guidance are executed; in the process of executing scene simulation and real-time task guidance, collecting and analyzing multi-modal teaching data in real time; and based on an analysis result, generating a teaching evaluation and personalized promotion scheme. According to the AI ethical teaching system, the practicability and immersion of ethical teaching are improved, large-scale personalized teaching is realized, a scientific and comprehensive literacy evaluation standard is established, a data-driven teaching optimization closed loop is formed, and the AI ethical teaching system based on branch learning, scene simulation and intelligent guidance is constructed.
Owner:SHANGHAI UNIV

Reinforcement learning-based engineering cost project cost control strategy optimization method and system

ActiveCN121504520BImplement dynamic iterative optimizationavoid wastingMarket predictionsBiological modelsOriginal dataCost Controls
The application provides a reinforcement learning-based engineering cost project cost control strategy optimization method and system, and relates to the technical field of engineering cost, which comprises the following steps: in step 2, according to an initial cost control strategy, resource allocation and cost control are performed at a current construction stage to obtain actual cost, progress and quality data; in step 3, the actual cost, progress and quality data are integrated to construct a multidimensional data distribution model, form an abstract decision space, fit discrete data into a continuous decision surface, calculate the curvature of a local area, and analyze the structural change characteristics of the decision surface; based on the structural change characteristics, the abstract decision space is divided into regions, the original data is mapped to the corresponding partitions, the intrinsic characteristics of each partition are extracted, and strategy correction parameters are generated. The application realizes dynamic self-adaptive optimization of the cost control strategy of the engineering cost project, and improves the accuracy of the cost control of the engineering project.
Owner:DAZHOU VOCATIONAL & TECH COLLEGE

Display system for simulating mechanical transmission

The utility model belongs to the technical field of teaching models, and particularly relates to a display system for simulating mechanical transmission, which comprises an exhibition stand, a storage pool is arranged on the exhibition stand, and a plurality of conveying pieces are arranged in the storage pool; the conveying device can convey a conveying piece, the conveying device comprises a collecting groove, the collecting groove can collect the conveying piece, the demonstration device is used for demonstrating a conveying mode, the demonstration device comprises an interstellar cannon simulation assembly, and the interstellar cannon simulation assembly comprises a base, a first fan, a direction adjusting mechanism, an interstellar cannon simulation piece, a first operation piece and a target ring. The base is arranged on the storage pool, the interstellar cannon simulation piece is connected with the base through the direction adjusting mechanism, the first fan is arranged in the interstellar cannon simulation piece and is in telecommunication connection with the first operating piece, the first operating piece is arranged on the base, and the target ring is arranged at a notch of the collecting groove. On one hand, the manipulative ability of the user is improved, and on the other hand, the user experience is improved while the teaching quality is improved.
Owner:NINGXIA HUI AUTONOMOUS REGION SCI & TECH MUSEUM (NINGXIA YOUTH SCI & TECH ACTIVITY CENT)

Crankshaft of diesel engine for teaching

ActiveCN224082122UUnderstand the importance of balancereflect uniformityEducational modelsDieselingElectric machinery
The utility model relates to the field of diesel engine crankshaft parts, in particular to a crankshaft of a diesel engine for teaching. The crankshaft of the diesel engine for teaching comprises a support, mounting grooves and clamping jaws, the top of the support is rotationally connected with a crankshaft body, the middle of the support is fixedly connected with a cross rod, a tank is mounted on the cross rod, the mounting grooves are symmetrically formed in the crankshaft body, balancing weights are mounted in the mounting grooves, and the two clamping jaws are symmetrically mounted at the bottom of the support. According to the utility model, the mounting seat and the balancing weight are arranged on the crankshaft body, and the motor is combined to drive the crankshaft to rotate, so that the state change of the crankshaft in the movement process can be intuitively displayed; meanwhile, the transparent tank body on the cross beam and the shaking condition of clear water in the transparent tank body can clearly reflect the uniformity of the crankshaft counterweight and whether defects exist or not, so that students are helped to better understand the importance of the crankshaft balance.
Owner:HUDONG HEAVY MACHINERY

Spatial orientation real-time analysis method based on eye movement

The invention discloses a spatial orientation real-time analysis method based on eye movement, relates to the related technical field of flight training, and aims to overcome the defects of low analysis accuracy and poor adaptability in the prior art. The method comprises the following steps: acquiring pilot eye movement data through eye movement tracking equipment, acquiring head space orientation data through a flight helmet space sensor, and acquiring environment data containing instrument visual complexity and aircraft attitude from a virtual flight simulator; performing time synchronization on the three types of data; extracting features such as coordinates of a fixation point from the synchronous eye movement data; comparing the head orientation data with the reference data to generate deviation data; inputting the eye movement characteristics, the deviation data and the environment data into an evaluation model; the model dynamically adjusts parameters according to environment data, and calculates pilot space orientation capability indexes in combination with eye movement characteristics and deviation data. According to the method, accurate integration of multi-dimensional data can be realized, the analysis comprehensiveness and reliability are improved, a dynamic flight scene is adapted, and real-time accurate evaluation is realized.
Owner:AIR FORCE MEDICAL CENT PLA

Hydropower training and competition device

PendingCN119559846AReally restore the actual operating environmentQuickly adapt to automated control systemsCosmonautic condition simulationsEducational modelsProgrammable logic controllerInteraction interface
The invention discloses a hydroelectric training and competition device, and the device comprises an operation assembly which comprises a human-computer interaction interface; the control assembly comprises a programmable logic controller, an intelligent data acquisition box and a switch, the man-machine interaction interface, the programmable logic controller and the intelligent data acquisition box are connected to the switch, and the man-machine interaction interface, the programmable logic controller and the intelligent data acquisition box are arranged in the same local area network segment; and the execution assembly is connected to the programmable logic controller and / or the intelligent data acquisition box, the execution assembly connected with the programmable logic controller is controlled through the programmable logic controller, and the intelligent data acquisition box realizes data acquisition of the execution assembly connected with the intelligent data acquisition box.
Owner:GUANGZHOU HONGDAXIN ELECTRONIC TECH CO LTD

Virtual simulation practical training platform of intelligent networked automobile environment sensing system

The invention provides a virtual simulation practical training platform of an intelligent networked automobile environment sensing system, which comprises a virtual traffic environment construction module, an environment sensing data simulation module, a test module, a practical training teaching module, a data management module and an optimization module, according to the platform, information and corresponding perception data in a virtual environment can be obtained according to mutual cooperation among the simulated traffic environment construction module, the environment perception data simulation module, the test module, the practical training teaching module, the data management module and the optimization module, and a user can design and test a scene. And the practical training and teaching module can carry out corresponding practical operation and experiment, so that the practical ability and problem solving ability of the user are improved, and the stored data can be collected, stored and analyzed through the data management and analysis module, so that corresponding optimization can be carried out.
Owner:YANCHENG INST OF IND TECH

Odd shrimp toy ornament

The utility model discloses an odd shrimp toy ornament. The odd shrimp toy ornament comprises a base and an odd shrimp, the base comprises a shell, a driving mechanism and a bearing mechanism; the two driving mechanisms are rotationally connected to one side wall and the top wall of the shell correspondingly, and gears of the two driving mechanisms are in meshing transmission. The lower end of the bearing mechanism is detachably connected to a rotating shaft of the driving mechanism located on the top wall of the shell, and a supporting piece is fixed to the upper end of the bearing mechanism. The odd shrimp comprises a head body, a body body, a tail body and a tail fin body which are hinged in sequence; and the abdomen of the body is clamped on the supporting sheet. According to the utility model, the rotatable base is used for bearing the odd shrimps, so that the postures of the odd shrimps can be displayed in an omnibearing and multi-angle manner, and the mobility and the interestingness are stronger.
Owner:STEEL WARCRAFT (YUNNAN) MODEL ART CO LTD

Low-cost software radio system applied to teaching

ActiveCN222636737Ueasy to handleMeet the experimental requirementsEducational modelsSoftware engineeringElectronic information
A low-cost software radio system applied to teaching comprises an antenna, a switch and a core board, and the core board is connected with an ADC module, a DAC module and an OLED module. The antenna and the switch are mutually connected, the switch is connected with a receiver and a transmitter, the receiver and the transmitter are used for transmitting, receiving and conditioning of signals, and the core board is used for modulation and demodulation of baseband signals and user operation; in conclusion, through low-cost hardware construction, the experiment cost of the system is greatly reduced, the experiment requirements of most subjects of majors such as communication engineering and electronic information engineering can be met, the combination part of theory and practice is greatly improved, and the practical ability of students is improved.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Star sensor simulation teaching system

The invention discloses a star sensor simulation teaching system, which comprises a star map simulation device, the star map simulation device generates a simulation star map by a star map simulation computer, projects a star point in a view field pointed by a star sensor visual axis to a star sky simulation device, and simulates a real star sky environment; the star sensor simulation equipment simulates a star sensor through an industrial camera, shoots a star map on the star sky simulation equipment by adjusting the distance of the bracket, and simulates the shooting process of the star sensor; the device has the beneficial effects that the working principle and the working process of the star sensor are visually displayed by simulating the real star sky environment and the working process of the star sensor, so that students can understand and master the working principle and the working process conveniently; practical operation links such as star map acquisition, processing, recognition and attitude calculation are provided, and the operational ability and practical ability of students are enhanced.
Owner:JILIN UNIVERSITY

Wind power operation and maintenance climbing training platform

The utility model discloses a wind power operation and maintenance climbing practical training platform, which comprises a main body support, a simulation tower drum, a tower top platform, an escalator, an outer crawling ladder, an inner crawling ladder, a hoisting opening and a monitor, and is characterized in that the tower top platform is arranged at the upper part in the main body support; the outer crawling ladders are arranged on the side face of the main body support, and the tops of the outer crawling ladders penetrate through the tower top platform. The simulation tower drum is arranged on one side of the bottom of the tower top platform; the inner crawling ladder is arranged in the simulation tower drum, and the top of the inner crawling ladder penetrates through the tower top platform; the escalator is arranged on one side of the body support. The object lifting opening is formed in the tower top platform; and monitors are arranged at the top of the main body bracket, in the simulation tower drum and at the bottom of the tower top platform. The platform can realize various practical training operations, can contact the operations of various devices at the same time, and is comprehensive in function and high in practicability.
Owner:HEBEI JINFENG ELECTRIC CONTROL EQUIP CO LTD

Building block splicing shotgun

The utility model particularly relates to a building block splicing shotgun, in particular to a building block splicing shotgun rubber band gun which comprises a gun body, the gun body is formed by splicing A1, two D1 and two D2, the D1 and the D2 are symmetrically arranged on the two sides of the A1 respectively, the D1 is arranged on the side face of the A1, the D2 is arranged on the side face of the D1, a loading mechanism and a launching mechanism are spliced on the gun body, and the outer side face of the gun body is connected with a sealing plate. The sealing plate is formed by splicing D1 and D2, the gun body and the sealing plate are fixedly connected through a plurality of plug connectors A2, the rear portion of the gun body is connected with a gun stock, the gun stock comprises C7 plates arranged on the two sides of the gun body, decorative plates are connected to the outer side faces of the two C7 plates, cavities of the two C7 plates are filled with a plurality of filling plates, and the filling plates are connected through a plurality of A18 plug-in pieces and C9 plug-in pieces.
Owner:HENAN FORESTRY VOCATIONAL COLLEGE

Three-dimensional book capable of replacing story scene

The invention provides a three-dimensional book capable of changing story scenes, which comprises a three-dimensional book body, and a cover structure is arranged outside the three-dimensional book body; a first storage guide rail groove is formed in the middle of the inner side face of the cover structure, a first sliding base is arranged in the first storage guide rail groove and connected with a supporting vertical rod through a first rotating shaft, and a magnetic positioning block is installed at the free end of the supporting vertical rod; a magnetic attraction strip magnetically matched with the magnetic positioning block is attached to the interior of the adjusting guide groove, and the magnetic positioning block is correspondingly arranged in the adjusting guide groove in an embedded mode; the two opposite sides of the inner side face of the cover structure are each provided with a plurality of second guide rail grooves, each second guide rail groove is internally provided with a second sliding base, and each second sliding base is connected with a telescopic sleeve through a rotating shaft. Children can design story scenes according to own creativity and interact with contents of the three-dimensional book, creativity of the children is cultivated, operational ability of the children is improved, value of the three-dimensional book can be improved, and interest cycle of the children in the three-dimensional book is prolonged.
Owner:DONGGUAN XINYANG PRINTING CO LTD

Television learning system and implementation method thereof

The invention provides a television learning system and an implementation method thereof, and belongs to the technical field of television learning, the system comprises a Wi-Fi module, a camera, a cloud server, a mic array, a loudspeaker, an infrared module, an MCU, a television and a set top box, and the Wi-Fi module, the camera, the mic array, the loudspeaker, the television and the set top box are all connected with the MCU. Interactive learning is formed through the television learning system and the television, errors of the learner are recognized, targeted error correction is achieved, and the efficiency of the learner is improved. By controlling television programs, teenagers are prevented from being addicted to the television. Through voice learning and one-key review functions, complementation with television learning is formed, and the memory of learning content is enhanced. Through the television learning system, the operational ability of teenagers is enhanced, and the learning fun is increased. By means of the television learning system, family televisions can be effectively utilized, teenagers are prevented from being addicted to the tablet computer, and eyesight can be protected.
Owner:SHENZHEN XINZHONGXIN TECH CO LTD

An educational garbage classification children's toy

The present invention discloses a garbage classification children's toy for educational purposes, comprising a main frame, a barrel shell, an inner screen, an outer screen, a power button, a battery, a mainboard, a charging port and a whole-body sound device, wherein the inner surface of the main frame is inlaid with the barrel shell, and the inner screen is nested on the inner surface of the main frame, and the outer screen is fixedly connected to the outer screen on the outer surface of the inner screen, and a sliding sugar jar cover is slidably installed on the upper surface of the main frame, and a power button is fixedly installed on the inner surface of the main frame. The garbage classification children's toy for educational purposes is provided with a toy with a reward, and when a child is playing, the reward is used to increase the child's interest in the toy, and the child can operate the toy by himself during the play, which can not only improve the child's hands-on ability during the play, but also improve the child's intelligence, and the device adopts a sound device, and a snap-on or sliding structure, which can prevent the child from accidentally eating smaller parts during the play.
Owner:GUANGDONG OCEAN UNIVERSITY

Colored environment-friendly fadable bubble powder and preparation method thereof

The invention provides colored environment-friendly fadable bubble powder and a preparation method thereof. The bubble powder provided by the invention comprises the following components in parts by mass: 2-10 parts of a film-forming agent, 50-70 parts of a surfactant, 20 parts of a color developing agent, 3-5 parts of an acidity regulator, 2-10 parts of a humectant, 0.2-4 parts of a preservative and 0.3-4 parts of a flavoring agent. The preparation method comprises the following steps: uniformly mixing the components according to the proportion, regulating the mass ratio of the total amount of the powder to ethanol / water (v / v 2: 1) within the range of 1: 0.3-1: 2.1, fully mixing and reacting, evaporating the solvent to dryness, and grinding. The bubble powder and the water are fully mixed, so that the blown bubbles are uniform in color, good in visual effect and rich in bubble amount; the bubble liquid remains in the air and can fade to be colorless after waiting for a period of time, thereby being environment-friendly and non-toxic. On this basis, the most important advantage is that the color depth and variety can be regulated according to the needs of a user, and the LED lamp is more flexible and convenient, and is easier to store and carry. In addition, compared with traditional bubble liquid, the bubble powder can greatly save transportation cost and can achieve good economic benefits.
Owner:SHANXI UNIV

Quantized energy level measuring device based on surface photovoltage and measuring method

This invention discloses a device and method for measuring quantum energy levels based on surface photovoltage. The device includes: a tunable wavelength monochromatic light source module, a signal generation and modulation module, and a signal receiving and detection module. The tunable wavelength monochromatic light source module is used to convert polychromatic divergent light into monochromatic light with a tunable wavelength. The signal generation and modulation module is used for quantum energy level measurement, spin energy level measurement, and quantum energy level modulation in atmospheric or vacuum environments. The signal receiving and detection module is used to receive the photovoltage signal of the sample and obtain the dependence of photovoltage on wavelength. The device has advantages such as low cost, easy partial replacement and maintenance, and convenient functional expansion.
Owner:XIAMEN UNIV

A demonstration device for demonstrating dispersion and recombination of light

ActiveCN224732451UUnderstanding dispersionUnderstand the synthesis process
Owner:BEIJING SUNONY CULTURE MEDIA CO LTD

Source network load storage joint optimization scheduling method based on new energy consumption

PendingCN121965812AImprove consumption efficiencyImprove power balanceAc network load balancingAc network voltage adjustmentNew energyPower balancing
The invention, which relates to the technical field of energy scheduling, discloses a new-energy-consumption-based source-network-load-storage combined optimization scheduling method comprising the following steps: acquiring an ultra-short-term power prediction curve and historical error data of a new energy station in a target area, and adjusting capability parameters of a conventional generator set, distributed energy storage and an adjustable load; based on historical error data, analyzing time sequence probability distribution of prediction errors, determining a confidence interval of an error amplitude and a confidence interval of an error change rate, and forming a double envelope line representing an uncertainty dynamic range; according to the deviation between the double envelope and the ultra-short-term power prediction curve, generating a corresponding power compensation demand sequence period by period; according to the error change rate confidence interval, generating a corresponding power change rate demand sequence period by period; according to the invention, the power balance capability of the source network load storage system is improved, the operation stability of the power grid is powerfully guaranteed, and the new energy consumption efficiency is obviously improved.
Owner:LUOYANG NEW ENERGY TECHNOLOGY DEVELOPMENT GROUP CO LTD

Entrepreneurship education guidance auxiliary learning system

The invention relates to the technical field of entrepreneurship education, in particular to an entrepreneurship education guidance auxiliary learning system. Comprising an information collection module, a teaching module, a display module and a simulation module. The information collection module is used for collecting information of entrepreneurship students; the teaching module is used for providing teaching videos related to professional knowledge for entrepreneurship students; the display module is used for displaying the video of the teaching module to entrepreneurs and students for watching through a display device; and the simulation module is used for enabling entrepreneurship students to simulate entrepreneurship projects according to the design. According to the entrepreneurship education guidance auxiliary learning system provided by the invention, through cooperation of the information collection module, the teaching module, the display module and the simulation module, all-around entrepreneurship education guidance can be provided for entrepreneurship students, the entrepreneurship knowledge is helped to be mastered, the practical ability is improved, one-stop service from theoretical learning to practical operation is provided for the students, and the entrepreneurship education guidance auxiliary learning system is suitable for popularization and application. And the entrepreneurship ability and the knowledge conversion ability of the people are effectively improved, so that the entrepreneurship ability and the success rate can be improved.
Owner:KAIFENG UNIV

Whole-process operation and control experiment platform for power system

ActiveCN224217172UGet a complete understanding of operabilityComprehensive understanding of controlsCosmonautic condition simulationsEducational modelsElectric power transmissionElectric power system
The utility model discloses an electric power system whole process operation control experiment platform comprising an electric power system power plant operation control experiment system, an electric power transmission line operation control and protection experiment system, a transformer station experiment system, a factory power supply and power distribution operation control and protection experiment system and an electric power system whole process operation control system. The power system power plant operation control experiment system comprises a generator set and a power plant control cabinet, the power plant control cabinet is connected with the generator set, the generator set is connected with the power transmission line operation control and protection experiment system, and the power transmission line operation control and protection experiment system is connected with the transformer substation experiment system. The substation experiment system is connected with the factory power supply and power distribution operation control and protection experiment system, has an integrated function of power generation, power transmission, power distribution and power utilization, and is more reasonable and advanced in software and hardware design, so that students can perform whole-process experiment operation of the power system on the same platform and know operation and control of the power system better; and the safety and stability of the experiment process are ensured.
Owner:HANGZHOU QIUSHENG TECH CO LTD

Experiential 3D Internet of Things teaching system

The invention relates to the technical field of Internet of Things teaching, in particular to an experiential 3D Internet of Things teaching system which comprises a 3D modeling and scene construction module, an Internet of Things equipment simulation module, an interactive experience module, a data analysis and visualization module, an education content management module and a privacy protection module. The 3D modeling and scene construction module is used for providing tools and resources and supporting creation and self-definition of vivid 3D models and virtual scenes; the data analysis and visualization module integrates a powerful data analysis tool and a visualization function, and helps students to understand and process data generated by the Internet of Things equipment. According to the invention, highly vivid 3D modeling and scene construction, a comprehensive Internet of Things equipment simulation and programming environment, and deep integrated data analysis and visualization functions are creatively integrated, and an immersive and highly interactive learning experience is provided for students by using advanced technology stacks and algorithms, so that the learning experience of the students is improved. And the practical ability and the data analysis skill of the people in the field of the Internet of Things are effectively improved.
Owner:SHANGHAI CASTING TECHNOLOGY CO LTD

Building block splicing fur rubber band gun

A building block splicing fur rubber band gun comprises a gun barrel plate, a bullet loading hook is arranged at the left end of the gun barrel plate, a rotating wheel containing groove is formed in the right side of the gun barrel plate, supporting plates are fixed to the two sides of the gun barrel plate, a rotating wheel is arranged in the rotating wheel containing groove, a clamping jaw is arranged on the rotating wheel, a first rubber band is arranged between the bullet loading hook and the clamping jaw, and lining plates are arranged on the outer sides of the two supporting plates. A sliding groove is formed in the right end of the supporting plate, a sliding plate is assembled in the sliding groove, a clamping block is arranged on the sliding plate, a first spring playing a reset role is arranged at the left end of the sliding plate, a trigger is detachably assembled on the portion, below the sliding plate, of the supporting plate, and a second spring playing a reset role is arranged on the right side of the trigger. And a gun handle is arranged at the right end of the gun barrel plate, a tapping plate is rotationally assembled at the upper end of the gun handle, and a second rubber band is arranged between the lower left end of the tapping plate and the gun handle. The device is simple in structure and convenient to use.
Owner:HENAN FORESTRY VOCATIONAL COLLEGE

Durable environment-friendly toy cutting machine

The utility model relates to the technical field of toys, and discloses a durable environment-friendly toy cutting machine which comprises a shell, a moving block is slidably connected to the interior of the shell, a rotating rod is fixedly connected to the left side of the moving block, a fixing shaft is rotatably connected to the middle of the rotating rod, and the rear end of the fixing shaft is fixedly connected to the interior of the shell. A rack is rotationally connected to the bottom of the rotating rod, a rotating shaft is rotationally connected to the bottom side of the interior of the shell, a gear is fixedly connected to the periphery of the rotating shaft, the gear is in meshed connection with the rack, a mounting disc is fixedly connected to the front end of the rotating shaft, and a connecting assembly is arranged on the front side of the mounting disc. According to the toy cutting machine, the cutting blade rotates, so that the toy cutting machine can simulate the structure and the function of a real cutting machine, the interestingness and the authenticity of the toy cutting machine are improved, the cutting blade can be taken down by pressing the connecting rods to move, and the manipulative ability of children can be improved in the cutting blade disassembling and assembling process.
Owner:YUNHE KIDMERRY TOYS CO LTD