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36results about How to "Meet teaching requirements" patented technology
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Special color dough for children's handcraft dough molding
The invention discloses a special color dough for children's handcraft dough molding, which comprises 4 parts of wheat flour, 2 parts of glutinous rice flour, 1.5 parts of glycerin, 0.1 part of wheat starch, 0.6 part of edible preservative, 0.1 part of common salt, 0.2 part of honey and appropriate mount of edible pigment and water. The special color dough can be prepared by a method comprising the following steps of: putting the wheat flour, the glutinous rice flour, the wheat starch, the edible preservative, the common salt and the honey into a container; adding a appropriate amount of water, uniformly stirring and standing still for 20 minutes; smearing one half of the glycerin on a disk, placing the proofed dough on the disk, and steaming for 50-60 minutes with boiling water to obtain pulpy dough; cooling the dough till not scalding hands, mixing the rest half of glycerin in the dough; and finally adding the edible pigment. The invention improves the formula of traditional dough molding so that the finished color dough overcomes the defects of the traditional color dough which is not transparent, has dark color and is difficult to color after pigments are added. By the invention, the cost is reduced and the teaching requirements are met, the prepared finished dough product has better quality, no toxicity and no odor, and is suitable for childerns to use for a long term.
Owner:董晓红
Flat-panel display and multimedia integrated combined blackboard
InactiveCN101780745ARealize the sound amplification functionEffective protectionWriting boardsInput/output processes for data processingWhiteboardThird generation
The invention discloses audio-visual teaching equipment and in particular discloses a large screen flat-panel display and multimedia integrated combined blackboard. The combined blackboard comprises the following four parts: a translational open-close type blackboard, a large screen flat-panel display and multimedia player system, a blackboard frame type wireless speaker amplifying system and a photoelectric wireless mouse with the function of a pointer. The combined blackboard is the third generation teaching blackboard which appears for the first time and is based on combination of the flat-panel display and the common blackboard, following the first generation common writing blackboards and the second generation multimedia projector electronic whiteboards. Having the technology, performance, cost, use and maintenance advantages, the combined blackboard has high application and popularization value and large market space. The combined blackboard can realize the effect of synchronously carrying out multimedia player teaching and common blackboard writing teaching in bright classrooms.
Owner:朱诚
Modern bronze acupuncture figure-aculeus security training system and control method thereof
InactiveCN101276522AImprove accuracyImprove securityCosmonautic condition simulationsEducational modelsAcupunctureDisplay device
A modern acupuncture copper dummy-needling safety training system and a control method thereof. The system comprises a mannequin, a mannequin driving device, a PC machine and a multimedia display device which are orderly connected via wires; wherein a plurality of national standard points are carved on the surface of the mannequin, an simulant skin is coated on the outer surface of the mannequin, a needing key connected with the mannequin driving device is mounted in each point, the needing key is composed by simulant muscle at the inner side of the simulant skin, three layers of conductive rubber arranged at the inner side of the simulant muscle, and insulative rubber layers disposed between adjacent conductive rubber layers. According to the system according to the invention, the students can rapidly judge whether the operation is accurate, and the system has advantages of large information amount, rich content, convenience, amusement, strong interaction, wide application range, no limitation in time and place, thereby the students can rapidly known needling, and improve the accuracy and safety of needling in an easy environment, so as to satisfy the request of modern traditional Chinese medical teaching.
Owner:张淋玲 +10
Method for realizing safety needling of acupuncture
InactiveCN102737533AImprove accuracyImprove securityCosmonautic condition simulationsEducational modelsAcupunctureMedicine
A method for realizing safety needling of acupuncture is disclosed. A human body model, an ultrasonic apparatus and a PC machine are comprised. A plurality of acupoint is arranged in the human body model. The each acupoint is in a cylindrical shape. An ultrasonic probe is arranged on an end of the acupoint. The ultrasonic probe sends an ultrasonic wave to the specific acupoint. An actual puncture depth is obtained through subtracting the depth between an acupoint end and a puncture needle head during a puncture process from the calculated depth of the whole acupoint. An actual puncture depth value is displayed. An operator can observe an image in real time so as to know whether the puncture is accurate and can carry out lifting and thrusting operation of the acupuncture. An amount of information is large and contents are rich. Convenience and intuition can be obtained. A usage scope is wide. Accuracy and security of the acupuncture can be grasped by the operator under a relaxed and natural environment and also can be increased. Therefore, a requirement of modern traditional Chinese medicine teaching can be satisfied. In addition, a control method is simple and practical.
Owner:TIANJIN UNIV OF TRADITIONAL CHINESE MEDICINE +1
Method of manufacturing micro convex lens by using PDMS
InactiveCN108594596AMeet the requirementsMeet teaching requirementsPhotomechanical apparatusLensPhotoresistMicroscope
The invention relates to the technical field of manufacture of lenses, and specifically relates to a method of manufacturing a micro convex lens by using PDMS. The method comprises the following sevensteps of washing and drying a silicon sheet, gluing, baking before photoetching, photoetching, baking after photoetching, manufacturing the micro convex lens, and detecting a focal length of the micro convex lens. In the method, a photoresist plate with a top surface of micro concave lens surface is manufactured through steps of baking twice and exposing negative photoresist in ultraviolet, and the PDMS material is copied onto the top surface of the photoresist plate so as to manufacture the micro convex lens installed on a simple microscope. The difference between an actual value of the focal length of the micro convex lens and a theoretical calculation value is less than 5%, so that the micro convex lens fully meets the use requirement of an object mirror of a simple microscope, has theadvantages of being low in manufacture cost, being easy to manufacture, and being produced in large scale, and can be widely used in fields like science and education.
Owner:GUANGXI UNIV FOR NATITIES
Aeroengine control system teaching device and method
InactiveCN107784911ACheap price and maintenance costEasy to understandEducational modelsPhysical modelControl system design
The present invention provides a teaching device and method for aero-engine control system. The device and method include: firstly, the operator will complete the programming of the program of the aero-engine digital control system at the engineer station; system; then the operator gives the thrust command of the aero-engine by pulling up or down the throttle lever, and the aero-engine digital control system converts the operator’s command into an actuator command and sends it to the running aero-engine mathematical model; finally The aero-engine mathematical model calculates the current thermal performance characteristics of the aero-engine according to the instructions of the actuator, and feeds it back to the aero-engine digital control system, and at the same time sends corresponding instructions to a demonstration aero-engine physical model for corresponding intuitive state display . The present invention enables students to understand the entire aeroengine control system design, implementation and test run process.
Owner:动力智控(唐山)科技有限公司
Shear-type teacher's desk adopting synchronous belt for lifting adjustment
InactiveCN106308055AChanging height fixed and non-adjustable defectsChange larger defectsPulpitsLecternsBall screwEngineering
The invention discloses a shear-type teacher's desk adopting a synchronous belt for lifting adjustment. The shear-type teacher's desk adopting the synchronous belt for lifting adjustment comprises a desk top and two shear-type extendable rods arranged below the desk top. The top ends of the two shear-type extendable rods are inlaid into a groove formed in the bottom end of the desk top, the bottom ends thereof are connected to ball screw nuts sleeving corresponding ball screws, a synchronous wheel is connected at one of the ends, on the same side, of the two ball screws, the two synchronous wheels are mounted coaxially, a drive device is connected with one of the two ball screws, the synchronous belt is connected between the two synchronous wheels, the two ball screws and the drive device are fixed on a bottom plate, and rolling wheels are arranged at the bottom peripheral end of the bottom plate. The shear-type teacher's desk adopting the synchronous belt for lifting adjustment has the advantages that adjusted through the ball screws, the shear-type extendable rods can be adjusted in height mechanically flexibly and can be compressed to fold, and accordingly the shear-type teacher's desk is convenient to carry and store; with the four rolling wheels, the shear-type teacher's desk is convenient and flexible to move, thereby meeting the requirements of mobile teaching and teaching interactivity nowadays and being highly practical and worthy of wide popularization.
Owner:QINZHOU UNIV
Virtual simulation experiment management platform and method
InactiveCN107563922AOvercome limitationsCutting costsData processing applicationsSimulationExperiment management
The invention discloses a virtual simulation experiment management platform and method. The virtual simulation experiment management platform includes a management platform used for managing college personnel and a virtual simulation experiment and provided with a login module for users to log in the management platform; an information management module used for managing basic information of the platform and college information; and an experiment management module used for managing a virtual simulation experiment. The virtual simulation experiment management platform provided by the inventionovercomes limitation of experimental conditions in reality, reduces expenditure of experimental equipment, meets requirements of college teaching at present, students can take exercise in the aspect of a practical operation level in a relatively real operating environment, operational ability and quality of the students are improved, and the students can conduct experimental design by themselves,thereby cultivating creativity of the students.
Owner:安徽天恩信息科技有限公司
Multifunctional experimental teaching equipment
InactiveCN105772136ASimple structureEasy to useLaboratory benches/tablesTeaching apparatusEngineeringBody space
The invention provides multifunctional experimental teaching equipment, which comprises a bottom plate, a table body, a table board, an auxiliary frame, a computer device, a cleaning device and a plurality of universal wheels, wherein the bottom plate is a rectangular plate body; the table body is fixed on the upper surface of the bottom plate; the table board is fixed at the upper part of the table body; the auxiliary frame is arranged at one side of the table board; a vertical plate is arranged in the table body; the table body is divided into a left side and a right side by the vertical plate; the computer device is arranged in a left table body space; the cleaning device is arranged in a right table body space; and the plurality of universal wheels are evenly arranged on the lower surface of the bottom plate. The multifunctional experimental teaching equipment is simple in structure and convenient to use, and can be applied to most physical, biological and chemical experiments. Various parts are reasonable in structural design; appliances and materials are arranged in classification; the multifunctional experimental teaching equipment is convenient and safe to use and place; placing, recording, sterilizing, cleaning and the like of articles in an experiment process can be simultaneously finished; the universality is high; and teaching requirements are met.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Multifunctional blackboard
InactiveCN104589859AReduce in quantityMeet teaching requirementsBoard cleaning devicesWriting boardsEngineeringMechanical engineering
Owner:张运
Technology for making engine physical anatomy teaching tool
ActiveCN104732861AObserve workGuaranteed lubrication conditionsEducational modelsFuel tankTeaching tool
The invention discloses a technology for making an engine physical anatomy teaching tool. The technology includes the steps that a vehicle lamp color alteration membrane is covered, putty shaping is carried out, a glue dripping containing pool is formed, dripped glue is solidified to form a transparent crystalline lens, the crystalline lens is taken out, chicken-rib type anatomy is conducted on the anatomical face of an engine body, engine parts are assembled, the outer edge of an anatomical opening is coated with glue, and the crystalline lens covers the anatomical opening; an engine oil filter base is connected with an oil inlet base, the rear end of the oil inlet base is connected with an oil pump through an oil pipe, the oil pump is placed in an external oil tank, engine oil is poured into an engine main oil channel after being compressed by the oil pump, engine moving parts can be lubricated, the engine oil flows back to an oil pan along an oil return channel, the position, where an oil screw is placed, of the oil pan is connected with an oil return base, the rear end of the oil return base is connected with an oil return pipe, the oil return pipe conveys the engine oil after lubrication back to the external oil tank, and thus the engine oil can be recycled; the anatomical opening of an engine is plugged by transparent materials, not only sealing is achieved but also can the working condition inside the engine be observed, and an original lubricating condition of the engine is kept.
Owner:JIANGSU QIYAN PUMPS
Mechanical body structure for six-freedom-degree series connection teaching robot
InactiveCN106023776AGood application prospectMeet teaching requirementsEducational modelsSmall armsIndustrial design
The invention discloses a mechanical body structure for a six-freedom-degree series connection teaching robot. The mechanical body structure comprises a pedestal assembly, a large arm assembly, an elbow casing assembly and a small arm assembly, and realizes rotation in six freedom degrees. The mechanical body structure is designed according to the structural characteristics of an industrial six-freedom-degree series connection robot, the characteristics and industrial design standards of the industrial six-freedom-degree series connection robot, satisfies teaching requirements of a robot design and manufacture course. A modularized design is employed, and repeatedly dismounting and assembling is allowed. Teaching requirements for robot maintenance courses can be met. Through robots developed with the mechanical body structure, students can learn the basic robot mechanical structure, transmission principles, assembly process and other mechanical performance and characteristics of the six-freedom-degree series connection robot. The mechanical body structure has promising application prospect.
Owner:NANJING KANGNI TECH IND
Multimedia platform of which height and inclination of desktop can be adjusted
InactiveCN109875249AChange heightMeet teaching requirementsPulpitsLecternsComputer scienceMultimedia device
The invention relates to the technical field of multimedia devices, in particular to a multimedia platform of which the height and inclination of a desktop can be adjusted. The platform comprises a table frame, a table body, a table board and an inclination adjustment mechanism, the table body is disposed on the top of the table frame by a height adjustment mechanism, the height adjustment mechanism is disposed on the inner side of the table frame through a support plate, the table board is disposed on the top of the table body, the inclination adjustment mechanism is disposed inside the tablebody, the table body and the table board are connected with the inclination adjustment mechanism, the support plate is fixedly disposed on the inner side of the table frame, the table body is provided with an intermediate compartment and two drawers, the two drawers are respectively disposed at two ends in the length direction of the table body, and the intermediate compartment is disposed in themiddle of the table body and located between the two drawers; according to the height and visual conditions of a lecturer, the height and inclination of the platform can be adjusted to meet teachingrequirements of the lecturer, which is convenient and quick.
Owner:陈满林
Platform desk lifting and descending hydraulically
InactiveCN106360967AChanging height fixed and non-adjustable defectsFlexible Mechanical AdjustmentPulpitsLecternsHydraulic cylinderEngineering
The invention discloses a platform desk lifting and descending hydraulically. The platform desk comprises a platform desk top, wherein a plurality of hydraulic telescopic rods are arranged below the platform desk top and include telescopic rods connected with the bottom end of the platform desk top, the lower ends of the telescopic rods are sleeved by a hydraulic cylinder, the hydraulic cylinder is fixed above a storage cabinet, the storage cabinet is installed on a base, and the peripheral bottom end of the base is provided with rolling wheels. The height of the platform desk can be flexibly and mechanically adjusted by arranging the hydraulic telescopic rods. Four rolling wheels are arranged at the bottom end of the base, the defect that an existing platform desk can be moved is overcome, the position of the platform desk can be flexibly and mechanically moved, the requirements for mobile teaching, interaction between teaching and learning and the like of teachers at present are met, the platform desk top is scientific and reasonable in arrangement, and the platform desk is simple, practical, good in practicability and worthy of wide popularization.
Owner:QINZHOU UNIV
Special vertical numerical control milling machine for teaching in school
InactiveCN106825701ASimple structureEasy maintenanceMilling machinesFeeding apparatusNumerical controlBall screw
The invention discloses a special vertical numerical control milling machine for school teaching, which comprises a base, a column, a vertical milling head and a stepping motor, the column is arranged above the base, and one side of the column is located above the base. Workbench, the workbench includes the stepper motor, X-direction ball screw, Y-direction ball screw, sliding saddle and clamp, Z-direction ball screw is suspended on the suspension beam on the column, and the Z-direction A lifting frame is arranged on the ball screw, and the end milling head is installed on the side of the lifting frame. A spring is arranged between the hanging beams on the upright column. The beneficial effect lies in that the invention has the advantages of simple structure, small size, light weight, convenient movement, high repeat positioning and processing precision, complete functions, convenient operation, simple maintenance and low price, and can fully meet the teaching requirements.
Owner:CHONGQING CITY YONGCHUAN DISTRICT YONGDUAN MACHINE TOOL EQUIP
Shear-type podium table based on ball screw lifting
InactiveCN106419086AChanging height fixed and non-adjustable defectsChange adjustmentPulpitsLecternsBall screwEngineering
The invention discloses a shear-type podium table based on ball screw lifting. The shear-type podium table comprises a podium tabletop, two sets of shear-type stretchable rods arranged below the podium tabletop, both of the top ends of the two sets of shear-type stretchable rods are embedded into grooves formed in the bottom end of the podium tabletop, the bottom ends are connected to ball screw nuts, a ball screw connected with each ball screw nut is sleeved with the corresponding ball screw nut, a crank mechanism is arranged between one ends of the two ball screws, a rotating rocker is hinged to the crank mechanism, the two ball screws and the rotating rocker are fixed to a bottom plate, the bottom ends of the periphery of the bottom plate are each provided with a roller. Due to arrangement of the stretchable rods, on the basis of regulation of the ball screw, on the one hand, the height of the supporting rod can be flexibly and mechanically adjusted; on the other hand, the shear-type stretchable rods can be compressed and folded, so that the stretchable rods are exquisite, portable and convenient to carry and store; due to arrangement of the four rollers, the podium table can be flexibly and conveniently moved, the current requirement for flow teaching and interaction between teaching and learning is met, and the shear-type podium table is simple, practical, good in practicability and worthy of wide popularization.
Owner:QINZHOU UNIV
Energy-saving transparent electrothermal film heating device
InactiveCN103906281ASimple structureSave electricityHeating element shapesHeating filmElectric heating
The invention discloses an energy-saving transparent electrothermal film heating device which comprises a transparent high-temperature-resistant heat conduction tube and a transparent electrothermal film which uniformly covers the surface of the heat conduction tube and is high in heat efficiency and long in service life. Due to the electrothermal film heating mode and the transparent design, the problems that a traditional electric heating wire heating device is high in energy consumption, heating is not uniform and the visual effect is poor when the state of a heated object is observed. The device has the prominent advantages of being simple in structure, saving electricity, and being capable of well meeting the requirements of practical training experiment instrument teaching of glass for chemical equipment buildings.
Owner:TIANJIN ZHONGKE CHEM ENG DESIGN +1
Teaching system for computer software technology development
InactiveCN111028575AHeight adjustableMeet teaching requirementsElectrical appliancesTechnology developmentNetwork connection
The invention relates to the technical field of computer teaching, and particularly relates to a teaching system for computer software technology development. The system includes a teaching device, wherein the teaching device comprises a base, and universal wheels are rotationally installed at the four corners of the bottom of the base. Worm and gear lifting mechanisms are installed at the two ends of the top of the base. A mounting plate is mounted at the output end of each worm and gear lifting mechanism. Guide rods are fixedly mounted at four corners of the top of the base; limiting blocksare fixedly mounted at the tops of the guide rods; a guide seat is fixedly mounted at the top of the mounting plate, a sliding rail is fixedly mounted in the guide seat, a sliding toothed plate is slidably mounted on the sliding rail, one side of the sliding toothed plate is in transmission connection with a transmission gear, a motor is mounted at the bottom of the mounting plate, a teacher computer is mounted on the sliding toothed plate, and a network connector and a control box are mounted on the mounting plate. According to the teaching system, the teaching device is more convenient for teachers to operate, so that the teaching efficiency is greatly improved.
Owner:徐州知点教育科技有限公司
Teaching system of modern bronze acupuncture status-channels and acupoints sciences and its control method
InactiveCN1858823ALarge amount of informationRich contentEducational modelsEmbedded systemAcupuncture
This invention relates to a modern acupuncture copper-man-meridian school teaching system and its control method, in which, said teaching system includes a human body model, a model driving device, a PC machine and a multimedia display device connected orderly by leads, in which, the surface of the model is hollowed out with 400 GB points marked with point names, a key connected with the drive device and an indicating lamp set at the center of the key and emitting different colors of lights are set in each point, which is combined with an ordinary PC machine and a multimedia display device so as to combine the ancient teaching method with the modern technology.
Owner:TIANJIN UNIV OF TRADITIONAL CHINESE MEDICINE
Virtual instrument embedded in comprehensive teaching experiment platform
PendingCN110580845AReduce procurement costsMeet teaching requirementsEducational modelsComputer scienceInstrumentation
The invention relates to a virtual instrument embedded in a comprehensive teaching experiment platform. The virtual instrument comprises a high-precision measurement function circuit, a high-speed measurement function circuit and a power supply circuit, wherein the high-precision measurement function circuit, the high-speed measurement function circuit and the power supply circuit are respectivelyconnected with the comprehensive teaching experiment platform. The virtual instrument has the advantages that on the basis of meeting the requirements of teaching experiments on the functions and performance, the procurement cost of schools can be obviously reduced; the space resource waste of experiment stations is reduced; the integration of instruments and teaching equipment is realized; and the teaching effect is improved.
Owner:西安与或电子科技有限公司
Hand-held radio remote control device for computer multimedia courseware
InactiveCN1866771AMeet teaching requirementsNo mutual interferenceNear-field systems using receiversRadio receptionAnimation
The invention discloses a hand-type radio remote control device of computer multimedia courseware, which comprises the following parts: one radio launching device, one radio receiver, and computer for operating multimedia courseware; the radiotransmitting installs launching modular and radio coding modular of radio modulation signal which is composed of address code, data code and synchronous code; the radio receiver installs reception module which receives and deals with radio modulating signal , decode module and control cell; the radio reception device connects to computer keyboard through wire. The invention simplifies the installation, which reduces the cost.
Owner:吴昌云
Ideological and political teaching plan display method and system based on current event case optimization
InactiveCN112286943AImprove teaching qualityMeet teaching requirementsDatabase updatingData processing applicationsCourseworkIndustrial engineering
The invention discloses an ideological and political teaching plan display method based on current event case optimization, and belongs to the teaching management technology. The method comprises thefollowing steps of: firstly, storing an internal current event case, an internal case file and a log file; then creating a teaching account, newly adding an external case file, and combining externalcases and internal cases meeting the requirements into new teaching plan combinations; and storing a teaching plan combination meeting the requirements to form a new case file and a new log file. According to the method of the invention, teaching cases are updated from an external database, and the teaching cases advancing with time can improve the classroom teaching quality and meet the teachingrequirements of ideological and political courses. The invention further discloses an ideological and political teaching plan display system based on current event case optimization.
Owner:东华理工大学南昌校区
Ideological and political teaching plan display method and system based on current affairs case optimization
InactiveCN112286943BImprove teaching qualityMeet teaching requirementsDatabase updatingData processing applicationsKnowledge managementCoursework
Owner:东华理工大学南昌校区
A teaching experiment platform for automatic process control
InactiveCN104376755BEasy to operateEasy to understandCosmonautic condition simulationsEducational modelsAutomatic controlSolenoid valve
The invention discloses an automatic process control teaching experiment table which comprises an operating table. The operating table is provided with a display instrument part, an electrical control part, an execution and collection control part, a medium container and a human-computer interaction interface part. The display instrument part comprises a flow display instrument, a pressure display instrument, a temperature display instrument and a liquid level display instrument. The execution and collection control part comprises a solenoid valve, an electric adjusting valve, a magnetic pump, a turbine flow transmitter, a pressure transmitter, a temperature transmitter and an ultrasonic liquid level transmitter. The electrical control part comprises a frequency converter and a PLC. The medium container comprises a container body A, a container body B and a container body C, and the container body B and the container body C are arranged above the container body A. By means of the simple and visual human-computer interaction interface, students can operate the table more conveniently, and meanwhile the control process and effect can be displayed visually. The automatic process control teaching experiment table has the advantages of being simple in structure, convenient to operate, low in manufacturing price and the like.
Owner:SUZHOU MAICHUANG INFORMATION TECH
Screen projection type intelligent education blackboard for drawing training
ActiveCN113854759ASmall footprintMeet teaching requirementsWriting boardsProjectorsDisplay boardEngineering
A screen projection type intelligent education blackboard for drawing training is disclosed. A storage box is clamped to the lower side of the front end of a drawing board, side panels are fixed to the left side and the right side of the upper end of the drawing board, dip angle groove holes are formed in the side panels, back plates are rotationally connected into the dip angle groove holes, the dip angle groove holes are rotationally connected with the back plates through bolts, the bolts are provided with nuts, the upper sides of the nuts are clamped in zigzag grooves of the dip angle groove holes, and side plates are fixed to the left and right sides of the back plates. Through the drawing board and the back plates which can be accommodated, supporting legs are stored together, the occupied space is reduced; multimedia teaching can be carried out through a display board which can be stored, thus meeting the increasingly abundant teaching requirements. The position of the gravity center of a projector can be adjusted through a propeller strut and a stay wire, the positive and negative of the pressure can be judged through numbers on the projector, when the pressure is close to zero, it is indicated that the gravity center falls on the display board, and the stability of the display board is improved.
Owner:童画控股有限公司
a beat generator
ActiveCN105206145BEasy to carryMeet teaching requirementsEducational modelsElectrical resistance and conductanceCapacitance
Owner:XINXIANG MEDICAL UNIV
A kind of two-dimensional code made with plant material and its making method
ActiveCN108665042BThe principle is simpleLow requirement for hands-on abilityRecord carriers used with machinesViscoseProcess engineering
The invention discloses a two-dimensional code made of plant materials and a manufacturing method thereof. The two-dimensional code includes a base plate, and a two-dimensional code area is arranged on the surface of the base plate. The two-dimensional code pattern layer, the glue layer and the plant layer; the production method includes the drying of plant raw materials, the preparation of the two-dimensional code pattern layer, the pasting of double-sided adhesive strips, the preparation of double-sided adhesive plant leaf lines, the plant two-dimensional Steps such as the preparation of yards and the production of beautification areas. The principle of the production method of the two-dimensional code disclosed by the present invention is simple, and it is easy for children to accept and understand; and the method adopts a collage method to produce the two-dimensional code, which has low requirements for hands-on ability and is easy for children to operate and understand. It meets the teaching requirements; and because of the texture of the plant on the surface, it has a concave-convex feeling, which is more convenient for children to feel and understand.
Owner:江志源
Experiment table with direct-drive wind generating set
ActiveCN106640549AVarious permutations and combinationsStrong disassemblyMachines/enginesEducational modelsComputer programmingWind force
The invention relates to the technical fields of energy saving and environmental protection, in particular to an experiment table with a direct-drive wind generating set. The experiment table comprises the wind generating set, an electrical cabinet control system and a programming system, wherein the programming system is computer programming equipment and is used for transferring programs to the electrical cabinet control system to guide and control the wind generating set to realize operation of all experiments. According to the experiment table provided by the invention, through the operation for above conventional systems and devices, the systems and the device can be arranged and combined into different system devices in a diversified manner. The experiment table has strong disassembly / assembly and authenticity; the programming system adopts a frame structure, a function module is solidified into the programming system at the bottom layer of a programming environment, and the module can be randomly called for programming when the programming is operated. The experiment table can guide the design for brand-new practical training equipment of the wind generating set, and disassembly / assembly and hoisting of a unit can be realized. Therefore, the teaching requirement is met greatly.
Owner:HUNAN ELECTRICAL COLLEGE OF TECH +1
A kind of standing wave experimental device and experimental method
ActiveCN111754846BAccurate measurementMeet teaching requirementsEducational modelsVibration amplitudeReflection Wave Amplitude
The invention discloses a standing wave experimental device and an experimental method, wherein the standing wave experimental device includes a vibration source, a horizontal slide rail, a horizontal scale, a sliding seat with a slit knife edge, a string, a string tension testing mechanism and a wave Overlay parts such as demo units. Wherein, both the vibration source and the string tension testing mechanism are located on the horizontal slide rail, and are respectively located at opposite ends of the horizontal slide rail. The invention can not only accurately measure the tension of the string, but also fine-tune the tension of the string, and can provide the real-time change curve of the tension of the string when the wave propagates on the string. The experimental method of the present invention includes the experimental method of verifying the standing wave formula, the experimental method of verifying the condition that the wave equation is established, the experimental method of the comparative experiment of studying the influence of different reflection mechanisms on the reflected wave amplitude, and the experimental method of demonstrating the superposition process of two columns of waves Methods, through the above experimental methods, to meet the teaching requirements of a variety of physical experiments.
Owner:SHANDONG UNIV OF SCI & TECH
A direct-drive wind turbine test bench
ActiveCN106640549BVarious permutations and combinationsStrong disassemblyMachines/enginesEducational modelsControl systemComputer module
Owner:HUNAN ELECTRICAL COLLEGE OF TECH +1
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