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23results about How to "Easy to demonstrate" patented technology
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Physical optical experiment demonstration device
PendingCN119418592Aeasy to carryavoid damageLuggageOther accessoriesPhysical opticsMechanical engineering
Owner:CHANGCHUN CHINA OPTICAL SCI & TECH MUSEUM
Schaugestell
Display rack (1) consisting of the skeletal structure (10) made of metal, provided with vertical support columns (11, 12, 13, 14), and connecting crosspieces (15,16,17, 18), the vertical support columns provided with mounting sockets (19) for shelves (40), shelves (40) made of metal, provided with mounting brackets (47, 48) adapted for being placed in the shelf (40) mounting sockets (19), wherein the metal skeletal structure (10) is covered by an outer cover (30) made of a material suitable for coating by printing methods, provided with pass-through notches (36) at locations corresponding to the shelf (40) mounting sockets (19).
Owner:UDS SA
Three-axis rotating halo demonstration instrument
ActiveCN222580654UEasy to demonstrateGuaranteed rotation effectEducational modelsElectric machineryPhysics
The utility model relates to the technical field of teaching demonstration equipment, in particular to a three-axis rotating halo demonstration instrument, which comprises a supporting plate, a second mounting plate is arranged above the supporting plate, a first mounting plate is rotatably mounted on the inner wall of the second mounting plate, a mounting frame is rotatably mounted at the top end of the first mounting plate, and a rotating shaft is arranged on the mounting frame. A hexagonal prism is arranged at the top end of the mounting frame, and a rotating assembly is arranged on the supporting plate. The direction of the hexagonal prism can be freely adjusted at the top end of the supporting plate, the halo phenomenon can be conveniently demonstrated, in the demonstration process, the power source can provide energy for the first motor, the second motor and the third motor, meanwhile, the power source can balance the balance weights at the two ends of the first mounting plate and the second mounting plate, and the demonstration effect is good. The rotating effect of the first mounting plate and the second mounting plate can be guaranteed, meanwhile, the supporting plate can be firmly adsorbed to the top end of the experiment table, the stability of the supporting plate can be improved, and the demonstration effect of the demonstration instrument is further improved.
Owner:NANJING MAITA PHOTOELECTRIC TECH CO LTD
Demonstration type computer host
ActiveCN222619057Uincrease heightprevent fallingDigital processing power distributionElectronic componentPhysics
The utility model discloses a demonstration type computer mainframe, which relates to the technical field of computer equipment, and comprises a case, a mounting rack for mounting electronic components and a bearing plate, the mounting rack is horizontally and rotatably connected onto the bearing plate, the top of the case is provided with an opening, and when an operator slides the bearing plate upwards to a display station, the electronic components are mounted on the mounting rack. The elastic piece automatically drives the mounting rack to rotate relative to the bearing plate, so that the mounting rack and the opening of the case are staggered, the top of the case can support the mounting rack at the moment, the bearing plate and the mounting rack are prevented from falling into the case, the electronic elements on the mounting rack are exposed out of the case at the moment, and sufficient display is facilitated. According to the electronic component display rack, on one hand, the height of the mounting rack can be increased by sliding the bearing plate so that a computer host can be conveniently displayed, and on the other hand, the viewing angle of a viewer can be wider by rotating the mounting rack relative to the bearing plate.
Owner:TIANJIN ECONOMIC & TRADE SCHOOL
Teaching system of discrete phase coded quantum key distribution protocol based on optical chip
The present invention provides a teaching system for a discrete phase coded quantum key distribution protocol based on an optical chip. The encoding and decoding ends of the teaching system are both manufactured based on the optical chip. The entire system has the advantages of low cost, modularization, and convenient teaching. It makes up for the problem that the existing commercial quantum key distribution system cannot be used for physics teaching in colleges and universities as well as junior and senior high schools due to its high cost and large size.
Owner:HEFEI SIZHEN CHIP TECH CO LTD
Circumferential angle multifunctional demonstration instrument
A multi-functional circumferential angle demonstrator includes a demonstration panel with an annular groove. The demonstrator is characterized by: at least three circumferential sliders slidably disposed within the annular groove; a first protractor rotatably mounted on at least one of the three sliders; and each slider being plugged into and connected to the annular groove. An assembly hole is located at the center of the annular groove; a central slider rotatably disposed within the assembly hole; and a second protractor rotatably mounted on the central slider. The central slider is plugged into and connected to the assembly hole, and the diameter of the assembly hole is equal to the width of the annular groove. An elastic rope is fitted between the central slider and the circumferential sliders. This invention features a simple structure, reasonable design, convenient use, multiple uses, good dynamic demonstration effect, and low cost. It can improve teaching efficiency and quality and is beneficial for promotion and use.
Owner:李爱霞
Lifting device for planetarium
ActiveCN222316362UEasy to installeasy to operateStands/trestlesAstronomical instrumentationMechanical engineering
The utility model relates to a lifting device for a planetarium, and belongs to the technical field of astronomical instruments, the lifting device comprises two fixing rings, the two fixing rings are arranged in the vertical direction, a plurality of supporting rods are fixedly arranged between the two fixing rings, the multiple supporting rods are uniformly arranged in the circumferential direction of the fixing rings, and the supporting rods are arranged in the vertical direction of the fixing rings. A mounting ring is arranged between the two fixing rings in a sliding mode, the mounting ring is used for mounting the planetarium, the mounting ring slides in the direction parallel to the length direction of the supporting rod, and the lifting device further comprises a driving device used for driving the mounting ring to slide. The planetarium has the advantage that the height of the planetarium can be conveniently adjusted.
Owner:CHENGDU JINDU CHAOXING ASTRONOMY EQUIP CO LTD
A portable storage box for physical experiment equipment
ActiveCN119218561Bimprove protectioneasy to observeLuggageOther accessoriesTeaching toolMechanical engineering
The present invention discloses a portable storage box for physical experiment equipment, which relates to the technical field of storage of physical teaching tools, and solves the technical problem that it is inconvenient to display the experimental process of the equipment stored therein, and comprises a storage box body, wherein the interior of the storage box body is respectively provided with a display mechanism, a blocking mechanism and an auxiliary fixing mechanism. Through the cooperation of the above mechanisms, different types of physical experiment equipment can be classified and stored, and the experimental equipment can be conveniently transported. At the same time, the unfolded box body 1 and box body 2 are erected, and the display mechanism is propped up so that the support plate forms a small platform at the front end of the erected box body 1. The box body 1 and box body 2 can be adsorbed to the front end of a blackboard or a podium through a magnetic suction plate, which is convenient for displaying the experimental process to students. The box body 2 can be lifted up to prevent the box body 1 and box body 2 from slipping off the front end of the blackboard or the podium, and at the same time, it is convenient to roll up or release the large hook and the connecting rope.
Owner:DALIAN OCEAN UNIV
Portable physical experiment equipment storage box
ActiveCN119218561Aimprove protectioneasy to observeLuggageOther accessoriesClassical mechanicsMechanical engineering
The invention discloses a portable physical experiment equipment storage box, relates to the technical field of physics teaching appliance storage, solves the technical problem that the experiment process of equipment stored in the storage box is inconvenient to display, and comprises a storage box main body, and the storage box main body is internally provided with a display mechanism, a fence mechanism and an auxiliary fixing mechanism. Through cooperative work of the mechanisms, different types of physical experiment instruments can be classified and stored, the experiment instruments can be conveniently transferred, meanwhile, the unfolded first box body and the unfolded second box body are erected, the display mechanism is supported, a supporting plate forms a small platform at the front end of the erected first box body, and therefore the experiment instruments can be conveniently transferred. The first box body and the second box body can be attracted to the front end of a blackboard or a platform through the magnetic attraction plate, the experiment process can be conveniently displayed to students, the second box body can be lifted upwards, the first box body and the second box body are prevented from slipping off from the front end of the blackboard or the platform, and meanwhile a large hook and a connecting rope can be conveniently wound or unwound.
Owner:DALIAN OCEAN UNIV
A digital landscape model demonstration device
ActiveCN224284106UEasy to demonstrateProtectMachine framesStands/trestlesLandscape modelStructural engineering
This utility model discloses a digital landscape model demonstration device, relating to the field of digital landscape model technology. It includes a housing with a top plate on top. A base is fixedly mounted on the top of the top plate, and a mounting frame is rotatably mounted on the upper end of the base. A digital landscape demonstrator is detachably mounted on the top of the mounting frame. A curved slide rail is symmetrically fixed to the top of the top plate with the base as the center. Support rods are symmetrically fixed to the side walls of the mounting frame. A T-shaped slide rod is fixedly mounted on the upper end of one support rod, limiting its sliding within the inner wall of one of the curved slide rails. A protruding rod is fixedly mounted on the upper end of the other support rod, sliding within the inner wall of the other curved slide rail. A locking bolt is threaded onto the end of the protruding rod away from the support rod, and the locking bolt movably fits against the side wall of the curved slide rail. Tightening the locking bolt ensures a tight fit against the side wall of the curved slide rail, allowing the device to be angled according to usage requirements, facilitating the demonstration of the landscape model.
Owner:CHONGQING INST OF ENG
An improved cross-coupled mapping lattice-based complementary embedded image encryption method
ActiveCN116320197Breduce associationShort cycleEncryption apparatus with shift registers/memoriesSecuring communication by chaotic signalsColor imageTheoretical computer science
The application provides a complementary embedding image encryption method based on an improved cross-coupled mapping lattice, which comprises the following steps: establishing an improved sine cross-coupled mapping lattice model; based on a plaintext image, generating a secret key by SHA-384 and an original image, and calculating model parameters and initial values according to the secret key; detecting the plaintext image, identifying and obtaining airport coordinates, randomly selecting a coordinate point, and obtaining a visual confusion image through a complementary embedding algorithm; iterating the established sine cross-coupled mapping lattice model to obtain a matrix, converting the matrix into a one-bit array, taking the last rxc data to obtain b; distributing an initial matrix and iterating to an appropriate size to obtain a fractal disorder matrix; selecting the first r rows and the first c columns to form a one-dimensional array, sorting the one-dimensional array to obtain an index array; performing synchronous dynamic scrambling and diffusion operations on three channels R, G and B in a color image respectively to obtain a sub-encrypted image corresponding to each channel. The sub-encrypted images are assembled into a final encrypted image C.
Owner:DALIAN MARITIME UNIVERSITY
Display side arrangement structure for large machine tool machining center
ActiveCN119282722AEasy to display verticallyEasy to demonstrateLarge fixed membersDisplay deviceElectric machinery
The invention provides a display side arrangement structure for a large machine tool machining center, which comprises a support frame and a machine tool fixedly mounted on the support frame, a convex column is fixedly mounted on the machine tool, a first motor is fixedly mounted at the bottom end of the convex column, a vertical shaft is fixedly connected to the output end of the first motor, and a protective shell is rotatably connected to the vertical shaft; the protective shell is rotatably arranged on one side of the convex column, a drag chain is fixedly connected to the interior of the protective shell, a linear sliding rail is fixedly arranged on the side, away from the vertical shaft, of the protective shell, a vertical sliding plate is slidably arranged on the linear sliding rail, and a connector is fixedly installed at the end, away from the convex column, of the drag chain. The vertical shaft drives the protective shell to rotate, the purpose that the displayer is laterally arranged is achieved, in the rotating process of the protective shell, the second motor drives the displayer to rotate through the clamping column, vertical display of the displayer is facilitated, space is saved through vertical display of the displayer, and demonstration and operation of workers are facilitated.
Owner:NAT WHALE TECH (GUANGDONG HENGQIN GUANGDONG & MACAO DEEP COOP ZONE) CO LTD
Rotary adjusting type demonstration board
ActiveCN222548867Uheight adjustableEasy to demonstrateWriting boardsFurniture partsStructural engineeringSliding contact
The utility model provides a rotary adjusting type demonstration board, which comprises a bottom board, two groups of vertical boards are symmetrically arranged at the top of the bottom board, a board body is rotatably arranged between the two groups of vertical boards through a bearing, a cleaning assembly is arranged at the top of each vertical board and comprises a wiping board, and a wiping pad is arranged on the inner side of each wiping board and is in sliding contact with the board body. The box body slides along the two sides of the plate body on the outer side of the wiping plate, the box body extends out of the vertical plate through the inserting rods, the length is locked through the locking bolts, and then the height of the plate body can be adjusted according to needs. Compared with the prior art, the inclination angles of the vertical frame and the plate body can be adjusted through the screw rods on the bottom plate, so that the plate body can be better demonstrated and used, and the use is convenient. The board body can be quickly wiped through the wiping board at the top of the vertical frame, magnetic chess pieces used in football tactics are collected and arranged, re-drawing is facilitated, meanwhile, the board body can be locked in cooperation with a plug pin, and the board body cannot rotate in the using process.
Owner:HUANGSHI MINGDE EDUCATION CONSULTING CO LTD
Multifunctional mechanics demonstration device convenient to operate
The invention relates to the technical field of mechanics demonstration, in particular to a convenient-to-operate multifunctional mechanics demonstration device which comprises a shell, a limiting assembly is arranged at the top of the shell, an adjusting assembly is arranged in the shell, a hanging assembly is arranged on the back face of the shell, and a supporting assembly is arranged at the bottom of the shell. The limiting assembly comprises an inserting plate inserted in the upper surface of the shell, an inserting groove is formed in the top of the inserting plate, a groove is formed in the front surface of the inserting plate, an iron plate is embedded in the inner wall of the groove, a screw is in threaded connection with the front surface of the iron plate, one end of the screw is rotationally connected with a fixed pulley through a rotating shaft, and the adjusting assembly comprises two transverse rods arranged in the shell. The positions of the limiting pipes on the two sides can be adjusted according to demonstration requirements in the using process through the arranged adjusting assembly, so that the positions of the pull ropes on one sides of the limiting pipes can be adjusted, meanwhile, the parts can be conveniently adjusted to the positions where the fixed pulleys are not hindered, and use of workers is facilitated.
Owner:SOUTHWEST UNIV +2
Teaching demonstration model for organic connection of Internet of Things of people, vehicles and families
PendingCN119400067Adeepen understandingHigh simulationEducational modelsElectrical appliancesTelecommunicationsInternet of Things
According to the man-car home Internet of Things organic connection teaching demonstration model, through mutual cooperation of the display assemblies, the mold achieves a rendering demonstration effect, through light rendering, the correlation effect during the period of each module is increased, corresponding light indication can be performed aiming at the operation point of the man-car home full-ecological Internet of Things model, and the operation efficiency is improved. And the working principle and data parameters of the equipment can be better understood by utilizing the visual display effect of the state display of the model line.
Owner:NANJING COLLEGE OF INFORMATION TECH
Internet of Things control system demonstration prop
A demonstration prop for an internet of things control system comprises a demonstration scene schematic sticker, an upper cover, a bottom cover, a PCB connecting piece and a circuit part, the circuit part comprises a power input interface and a plurality of demonstration units, the demonstration units are combined, arranged and connected according to demonstration purposes, and the demonstration units can be in interactive linkage with one another. Each demonstration unit comprises a voltage stabilizing chip, a microcontroller, a memory and a switch with a lamp, the microcontroller is connected with the memory and the switch with the lamp, the power input interface supplies power to the switch with the lamp and the voltage stabilizing chip, and the voltage stabilizing chip supplies working voltage to the microcontroller and the memory; and each switch with the lamp is correspondingly provided with a key for conducting pressing force on the upper cover. The device has the advantages of being small in size and convenient to carry. The lamp switch analog switch signal and lighting function equipment saves the volume of demonstration props, simplifies necessary components of the Internet of Things control system, and facilitates personnel demonstration and experiment. And the influence on operation, assembly and attractiveness caused by switch key deflection is avoided.
Owner:VANSHI INTELLIGENT TECH (SUZHOU) CO LTD
A linear motor inverted pendulum experiment box
A linear motor inverted pendulum experiment box, including experiment box body and box cover, the box cover is hinged to install in experiment box one side, in the experiment box body respectively is provided with control mainboard device, data interface assembly and movement track assembly, the movement track assembly is installed with sliding seat structure, the support vertical tube is detachably or foldably installed in the middle of the sliding seat structure, at least one side of the sliding seat structure is provided with driving device for driving the sliding seat structure to move on the movement track assembly, an angle encoder is installed on the top of the support vertical tube, and the angle encoder is connected with a swing rod. The utility model manufacturing and use cost is lower, use is not limited by site condition, is convenient for experiment demonstration and observation, and is easy to move to different experiment places and demonstrates, and the reuse effect is good.
Owner:SHANGHAI DROIDUP CO LTD
Integrated experimental device and method for combustion of hydrogen in chlorine
An integrated experimental device and method for hydrogen combustion in chlorine, a support is provided with a conical flask located above a combustion nozzle, a sponge pad is provided in the conical flask, a first test tube, a second test tube, and a third test tube are respectively provided on the support through a clip, a sponge strip is provided in the first test tube, the first test tube is connected to the second test tube through a three-way conduit provided with a three-way valve, an air outlet pipe is provided on the rubber plug cover at the upper end of the first test tube, the second test tube is connected to the combustion nozzle through the three-way conduit, the second test tube is connected to the third test tube through a conduit, and the third test tube is connected to a one-way inflation ball through a conduit. The present invention adopts the hydrogen generated by the reaction of the hydrogen generating device to enter the inner tube and the chlorine generated by the reaction of the chlorine generating device to enter the combustion nozzle to generate a combustion reaction, so that the preparation of hydrogen and chlorine and the combustion experiment of hydrogen in chlorine can be carried out in a closed space, avoiding the escape of harmful gases, and effectively solving the problem of environmental pollution caused by the experiment.
Owner:SHAANXI NORMAL UNIV
Preparation method of high-transparency elastic cerebral aneurysm model
PendingCN119418594Astrong adhesionFacilitate experimental researchEducational modelsBlood pressureBlood vessel structure
The invention discloses a preparation method of a high-transparency elastic cerebral aneurysm model, and the method specifically comprises the following steps: S1, manufacturing a blood vessel model structure: selecting a transparent circular tube structure with a proper shape and size as a blood vessel structure, cutting an arc-shaped incision at a proper position of the middle part of the tube, the method comprises the following steps: S1, preparing an arc-shaped incision, and preparing an aneurysm spherical model of which the diameter is matched with the length of the arc-shaped incision, S2, preparing a container model, S3, installing a blood vessel model structure, S4, filling a filler, and S5, sealing and installing. The invention relates to the technical field of experimental models. According to the preparation method of the high-transparency elastic cerebral aneurysm model, the vasodilatation condition can be analyzed according to the actual simulated blood pressure condition while demonstration can be realized, the purposes of convenient demonstration and more comprehensive expression of the vascular elastic change condition can be well achieved, the functions of the cerebral aneurysm model are greatly enriched, and the development of the cerebral aneurysm model is facilitated. Therefore, experimental research on cerebral aneurysm is greatly facilitated.
Owner:THE SECOND HOSPITAL OF HEBEI MEDICAL UNIV
A display side-mounted structure for large machine tool processing center
The present invention provides a side-mounted display structure for a large machine tool processing center, comprising a support frame and a machine tool fixedly mounted on the support frame, a convex column fixedly mounted on the machine tool, a first motor fixedly mounted on the bottom end of the convex column, an output end of the first motor fixedly connected to a vertical axis, a protective shell rotatably connected to the vertical axis, the protective shell rotatably arranged on one side of the convex column, a drag chain fixedly connected inside the protective shell, a linear slide fixedly arranged on the side of the protective shell away from the vertical axis, a vertical slide plate slidably arranged on the linear slide, a connector fixedly mounted on one end of the drag chain away from the convex column, the present invention achieves the purpose of side-mounting the display by driving the vertical axis to rotate through the first motor, and the vertical axis driving the protective shell to rotate, during the rotation of the protective shell, the second motor drives the display to rotate through the clamping column to facilitate vertical display of the display, and the vertical display of the display saves space and is convenient for demonstration and operation by staff.
Owner:NAT WHALE TECH (GUANGDONG HENGQIN GUANGDONG & MACAO DEEP COOP ZONE) CO LTD
Tipping-bucket rain gauge simulation demonstration device
ActiveCN222636748UEasy to drawEasy to demonstrateMovable measuring chambersEducational modelsWater dischargeWater storage tank
The utility model belongs to the technical field of rain gauges, and particularly relates to a tipping bucket type rain gauge simulation demonstration device, the lower surface of a water storage tank is provided with a water valve used for discharging water, a water collecting hopper is arranged between the bottom water storage tank and the water storage tank, and overturning pieces are arranged below the water valve and the water collecting hopper. The water outlet end of the water pump is communicated with the water storage tank through a water guide pipe, and the water inlet end of the water pump is communicated with the bottom water storage tank; a water collecting hopper is arranged between the water storage tank at the bottom and the water storage tank, and overturning pieces are arranged below the water valve and the water collecting hopper, so that water discharged by the water valve can enter the water collecting hopper in a segmented manner through the overturning pieces, and water in the water collecting hopper enters the measuring cup in a segmented manner through the overturning pieces; and meanwhile, the overturning piece is movably connected with the supporting vertical plate, so that the overturning piece can be conveniently detached, overturning of the overturning piece can be visually observed, and simulation demonstration of the pluviometer is facilitated.
Owner:安徽省黄山气象管理处
A functional simulation control panel used in diesel generator control systems
The present invention discloses a functional simulation control panel applied to a diesel generator control system, comprising a frequency converter, a three-phase motor, a generator, an electric power meter, a human-machine interface, a controller, a load unit, an analog quantity unit and a quick-plug terminal, wherein the frequency converter, the three-phase motor, the generator, the electric power meter, the human-machine interface, the controller and the load unit are connected in sequence; the generator is connected to the load unit; an automatic voltage regulator is arranged on the generator; the frequency converter, the automatic voltage regulator, the controller and the analog quantity unit are respectively connected to the quick-plug terminal; a potentiometer is arranged in the analog quantity unit. The functional simulation control panel applied to a diesel generator control system of the present invention can simulate the required functions quickly and efficiently, can conveniently reproduce faults in actual applications, facilitate fault finding, and can cooperate with a dedicated controller for diesel generators to conveniently demonstrate its functions.
Owner:SHANGHAI COOLTECH POWER
Wind speed measurement teaching aid
ActiveCN222636735UImprove teaching effectEasy to demonstrateFluid speed measurement using pressure differenceSpeed/acceleration/shock instrument detailsBernoulli's principleAir velocity
The utility model discloses a wind speed measurement teaching aid. The wind speed measurement teaching aid comprises an air outlet device, a sensor and a measuring device, the air outlet device is provided with a plurality of air outlet gears, the air outlet device is suitable for discharging air in the first direction, the sensor is arranged on the outer side of the air outlet device, and the sensor and the air outlet device are spaced by a preset distance in the second direction; the wind speed of the sensor on one side of the second direction is larger than that of the sensor on the other side of the second direction so as to change the electrical parameters of the sensor, and the measuring device is electrically connected with the sensor and used for measuring the electrical parameters of the sensor. When the air outlet device discharges air, the electric parameters of the sensor are changed under the action of pressure difference generated by air speed difference of two sides of the sensor, the electric parameters of the sensor can be measured through the measuring device to calibrate and measure the air speed, the air speed measurement teaching aid is convenient to demonstrate and operate, the measurement result is visual, and the understanding of audiences on the Bernoulli principle can be enhanced. The teaching effect is improved.
Owner:杨佳潼