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364 results about "Teaching tool" patented technology

Mechanical arm path planning method and system

The invention relates to the technical field of mechanical arm control, and discloses a mechanical arm path planning method and system.The method comprises the steps that in a simulation environment, a reward function is generated based on the current pose and the target pose of the tail end of a mechanical arm, a deep reinforcement learning network is trained based on the reward function, and a global planning path is obtained; constructing a dynamic motion primitive system by taking the global planning path as teaching; obstacle information is obtained, and an obstacle potential field model is constructed under the condition that an obstacle affects the working space of the tail end of the mechanical arm; based on the obstacle potential field model, a rejection item in the dynamic motion primitive system is constructed, and an obstacle avoidance path is generated based on the rejection item and is used for guiding the tail end of the mechanical arm to move away from the obstacle until the tail end of the mechanical arm reaches the target pose, so that the technical problem of simultaneously realizing real-time obstacle avoidance and global optimum in mechanical arm path planning is solved.
Owner:BEIHANG UNIV

Interactive teaching method and system based on smart paper and pen

The invention discloses an interactive teaching method and system based on intelligent paper and pens, belongs to the technical field of educational informatization, and aims to solve the technical problem of how to keep traditional teaching and paper and pen writing habits, realize no-disturbing and whole-process interactive teaching, enhance teaching interactivity and improve teaching efficiency at the same time. According to the technical scheme, the method comprises the following steps: configuring student terminal equipment: distributing an intelligent pen and a specially-made code book for each student; configuring a teacher teaching end, wherein a teacher initiates a paper-pen interaction link by using a large-screen teaching tool; the intelligent pen captures writing actions in real time through a built-in sensor, and handwriting is converted into digital signals through a code book; data acquisition and transmission; processing and storing data; large-screen teacher teaching end data display; reading and feeding back at the teacher end; teaching interaction and evaluation; and optimizing and upgrading.
Owner:INSPUR SOFTWARE CO LTD

System for monitoring and researching well-being of lifeforms using text analytics, and teaching tool

The invention builds on the previous inventions of one of the inventors herein and includes a group of habitats connected to online databases and programs, where data from the habitats is used to update the databases and programs about the best conditions for the creatures, plants, and possibly other lifeforms inside the habitats. The invention also includes systems for helping students and others to learn, by examining the actions and well-being of the lifeforms inside a habitat, and writing research notes about those lifeforms. The invention also includes methods and systems by which research notes about a certain species, from many students or other observers, can be examined with text analysis tools, which will locate words or phrases that are common, and other information, within the research notes. This will help to discover the optimal ranges for measured parameters like temperature and Ph for the species inside the container.
Owner:PERSAUD CHRISTOPHER LESLIE +2

Cross-platform teaching tool data collaboration and personalized resource recommendation system based on MCP protocol

The invention discloses a cross-platform teaching tool data collaboration and personalized resource recommendation system based on an MCP protocol, and belongs to the technical field of education. According to the system, a multi-platform teaching tool is in unified butt joint through the MCP protocol adaptation layer, and the problem of data splitting is solved; the data co-processing layer cleans and fuses multi-tool data, generates a teacher / student / parent data view and stores an evidence through a block chain; the personalized recommendation engine generates role-based resource recommendation based on a teaching knowledge graph and multi-dimensional behavior analysis; the user interaction layer supports multi-terminal access, and the data security module guarantees compliance. According to the system, the cross-platform data collaboration efficiency is improved by 70% or above, the resource recommendation matching degree reaches 92%, the system is suitable for K12 education, higher education and vocational education scenes, teaching tool data barriers are effectively broken through, and the teaching data utilization rate and the resource recommendation accuracy are improved.
Owner:伍晓才

Medical teaching and training system based on AI-driven high-simulation SP medical history collection

The invention relates to a medical teaching training system based on AI-driven high-simulation SP medical history acquisition, belongs to the field of teaching tools, and is used for extracting corresponding case data according to teaching requirements and determining symptoms and physiological indexes of AI-driven high-simulation SP. Constructing an SP body model; extracting an entity of the medical history acquisition knowledge graph from the current question of the student, and searching a triple corresponding to the entity from the medical history acquisition knowledge graph to obtain a first set; obtaining an SP state entity according to the AI-driven high-simulation SP symptoms, the physiological indexes and the body parameters; searching a triple corresponding to the SP state entity from the first set to obtain a second set; and according to the second set, in combination with the SP character parameters and the emotion parameters, generating an answer of the SP. According to the invention, a large number of medical history collection training opportunities with AI-driven high-simulation SP diversification and low cost can be provided, the teaching cost of standardized patient medical history collection is reduced, and the performance of virtual patients is more stable and objective.
Owner:YINGKOU JUCHENG DEV LTD OF TEACHING +1

Mechanical arm teaching control method, device, equipment and medium

The invention discloses a mechanical arm teaching control method, device and equipment and a medium, and belongs to the technical field of mechanical control. The method comprises the steps that calibration operation is conducted on the basis of a teaching tool file, and a first conversion relation from a mechanical arm base coordinate system to an optical positioning coordinate system and a second conversion relation from a mechanical arm tail end coordinate system to a teaching tool coordinate system are obtained; based on the first conversion relation and the second conversion relation, obtaining a teaching track corresponding to the preset number of teaching operations; each teaching track is converted into a dynamic motion primitive model parameter, and a target teaching track is determined based on each dynamic motion primitive model parameter; and a target mechanical arm joint angle sequence is determined based on the target teaching track so as to control the mechanical arm. According to the technical scheme, complex parameter input or manual physical intervention is not needed in the teaching process, intuition, high precision and high efficiency are considered, and therefore precise track control and stable operation execution of the mechanical arm are achieved.
Owner:GUANGZHOU AIMUYI TECH CO LTD

Paper cutting teaching device and method

The present invention belongs to the technical field of paper-cutting teaching tools, and specifically discloses a paper-cutting teaching device and method, including a paper-cutting table, a paper-cutting platform is fixedly provided on the upper side of the paper-cutting table, a platform groove is provided on the inner side of the paper-cutting platform, a display is fixedly installed on the rear side of the paper-cutting platform, a slide rail frame is fixedly installed on the upper end of the paper-cutting platform near the rear side, a device shooting bracket is slidably provided on the slide rail frame, a paper scrap suction component is fixedly provided on one end of the paper-cutting platform, a cleaning component is provided on one side of the paper scrap suction component near the inner side of the platform groove, a driving component is provided on the lower side of the platform groove, a storage drawer is provided on the lower end of the paper-cutting platform away from the driving component, and a control switch is provided on the front end of the paper-cutting platform near the position of the paper scrap suction component. The present invention, through the overall coordinated use, pulls out the shielding cloth to block, and prevents some paper scraps from flying around due to airflow during the process of sucking paper scraps.
Owner:NINGDE VOCATIONAL & TECHN COLLEGE

Dual-arm robot assembling system

A dual-arm robot assembling system including a controlling unit, a GUI, a first robotic-arm, and a second robotic-arm is disclosed. The GUI provides a graphic program editing page, which provides multiple instruction blocks used for editing a graphical program executed by the assembling system. At least one of the first robotic arm and the second robotic arm is disposed with a point-teaching tool thereon. Before the controlling unit controls the two robotic arms to perform an assembling operation based on the graphical program, a manager may directly drag the two robotic arms through the point-teaching tool, so as to implement a point-teaching procedure for the two robotic arms. Therefore, the assembling system may accomplish the assembling operation through the two robotic arms with cooperative movement.
Owner:DELTA ELECTRONICS INC(CN)

Optical experiment table convenient for rapid positioning and reading

The utility model discloses an optical experiment table convenient for rapid positioning and reading, which relates to the technical field of teaching aids and comprises a sliding assembly, a positioning and reading assembly, an imaging plate mounting assembly, a lens mounting assembly and a candle mounting assembly, and the imaging plate mounting assembly, the lens mounting assembly and the candle mounting assembly are sequentially arranged on the sliding assembly. The positioning reading assembly is arranged on one side of the sliding assembly, and the positioning reading assembly is arranged on the other side of the sliding assembly; the sliding assembly comprises a first mounting seat, a second mounting seat, a plurality of sliding connecting rods and three sliding mounting blocks, the positioning reading assembly comprises a positioning graduated scale and three positioning reading pointers, and inclined mounting surfaces are arranged on one sides of the first mounting seat and the second mounting seat; the two ends of the positioning graduated scale are connected with the inclined mounting surfaces on the first mounting seat and the second mounting seat respectively, so that the problem that positioning and reading cannot be quickly completed when an existing optical experiment table for middle school candle imaging experiment teaching is used is solved.
Owner:SICHUAN PROVINCE FAMOUS MOUNTAIN MIDDLE SCHOOL

Display board facilitating replacement of display content

The utility model relates to a display board convenient to replace display content in the technical field of teaching appliances, which comprises a base, the top of the base is fixedly connected with a shell, a display mechanism is arranged above the shell, and an extension component is arranged at the top of the display mechanism; the display mechanism comprises a hollow cross-shaped frame, the hollow cross-shaped frame is arranged above the shell, an extension rod is slidably connected to the inner side of the hollow cross-shaped frame, a U-shaped block is fixedly connected to the end, away from the hollow cross-shaped frame, of the extension rod, and a display plate body is arranged on the inner side of the U-shaped block. Through the arrangement of the hollow cross-shaped frame, the U-shaped block and the driving rotating assembly, different Chinese teaching contents can be displayed on the four groups of display board bodies during use, the displayed contents are diversified, and the four display board bodies can rotate under the action of the driving rotating assembly, so that the display board bodies are more convenient to use. And a teacher can display required teaching contents according to requirements, so that teaching is facilitated.
Owner:张璐 +2

Visual demonstration teaching aid device for heat storage and heat release processes of phase change material

The invention relates to the technical field of teaching tools, in particular to a visual demonstration teaching aid device for heat storage and heat release processes of a phase change material. The visual demonstration teaching aid device comprises a teaching aid base, and a heating module, a heating circulation module, a phase change heat storage module, a heat release circulation module, a phase change heat release module and a controller which are fixedly mounted on the teaching aid base, the controller is electrically connected with the heating module, the heating circulation module and the heat release circulation module, and the controller monitors the temperature of the heating module through a first temperature sensor and monitors the temperature of the phase change heat storage module through a second temperature sensor. By arranging a set of reasonable teaching aid and controlling the teaching aid through an accurate control technology and a monitoring technology, the temperature change process of heat storage and heat release of the phase change material can be reasonably and vividly displayed, and the basic principle of phase change heat storage can be effectively displayed, so that students can be helped to understand knowledge, and the teaching quality and efficiency can be improved.
Owner:HEBEI PETROLEUM VOCATIONAL & TECH UNIV

Situational interactive teaching tool for cerebral palsy language retardation intervention

InactiveCN120472722ATherapiesElectrical appliancesVerbal expressionArticulatory gestures
The invention relates to the technical field of cerebral palsy language education, and discloses a cerebral palsy language slow intervention-oriented situational interactive teaching tool, which comprises a situational interaction module used for constructing a virtual scene and realizing language training through a multi-modal interaction technology; the personalized adaptation module is used for carrying out personalized adjustment on the interaction mode and the difficulty level in the situation interaction module according to the physical condition and the language ability evaluation result of the user; the reward and feedback module is used for monitoring operation and performance of the user in real time and giving corresponding rewards according to a preset rule; the user management module is used for storing personal information, training records and evaluation data of the user; and an intelligent analysis module. By means of the voice, gesture and eye movement multi-mode interaction technology, a natural interaction mode matched with the physical condition of a patient is constructed, language training is stimulated in an all-round mode in a scene contact interaction mode, the language expression and communication ability of the patient is remarkably improved, and the training enthusiasm is enhanced.
Owner:滑县人民医院

Drawing scale

1. The name of the design product: drawing ruler. 2. The use of the design product: used as a teaching tool for blackboard drawing. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:刘林

Anti-electricity theft training device

ActiveCN310001364STraining centerTeaching tool
1. Name of the product in this design: Anti-electricity theft training device. 2. Purpose of this design: It is intended as a teaching tool for power supply companies, power schools, and training centers to conduct anti-electricity theft training. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. For parts of the product that are not easily seen or not visible during use, the top view is omitted; for the bottom view of the product that is not easily seen or not visible during use, the bottom view is omitted.
Owner:TECH COLLEGE BRANCH OF STATE GRID CORP OF CHINA

Multifunctional teaching aid

The utility model aims to provide the multifunctional teaching aid which is easy to move, multifunctional, high in public acceptability and attractive and elegant in appearance. The cabinet comprises a plurality of cabinet bodies, lying spaces are arranged in the cabinet bodies, the upper ends and the front ends of the cabinet bodies are open, panels are arranged at the upper ends of the cabinet bodies, the panels are hinged to the cabinet bodies, front turning plates are arranged at the front ends of the cabinet bodies, and the front turning plates are hinged to the cabinet bodies. The utility model relates to the technical field of teaching aids.
Owner:MACAU KIANG WU COLLEGE OF NURSING

Building engineering building model teaching display device

The utility model discloses a teaching display device for a building model of constructional engineering, belongs to the technical field of teaching tools, and aims to solve the problems that the conventional display device is relatively inconvenient to fix and disassemble, and the display is not comprehensive enough. A building engineering building model teaching display device comprises a display mechanism which comprises a display stand, and a clamping assembly is arranged in the display stand; the rotating mechanism comprises a driving assembly, a limiting assembly is arranged on the display table, two sets of flexible clamping plates are manually pushed inwards, so that the middle distance is increased, a model body is placed on a mounting block, and under the action of a high-pressure spring, a second sliding rod slides towards one side in a sleeve; the flexible clamping plates on the two sets of connecting blocks move relatively, the model body in the middle is clamped and fixed, fixing and dismounting are convenient, the model body can be better protected, meanwhile, due to the contractibility of the high-pressure springs, clamping is suitable for models of different sizes, and the application range is larger.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Telescopic eraser

The utility model belongs to the technical field of teaching tools, and provides a telescopic eraser which comprises a containing box, a telescopic structure is arranged in the containing box in a sliding mode, self-locking structures are arranged at the two ends of the telescopic structure, an installation structure is connected to the front face of the telescopic structure in an inserted mode, and an eraser is arranged on the front face of the installation structure. The telescopic structure comprises sliding grooves formed in the two ends of the containing box, and a sliding rod is slidably arranged between the two sliding grooves. The self-locking structure comprises rotating grooves formed in the two ends of the sliding rod, T-shaped blocks are rotationally arranged at the ends, away from each other, of the two rotating grooves, clamping blocks are arranged at the front ends of the sides, close to the containing box, of the two T-shaped blocks, and limiting sliding grooves are symmetrically formed in the ends, away from each other, of the two sliding grooves. The problems that according to existing equipment, rotating motion of a rotating component is converted into sliding motion of a connecting component, two elastic pieces at the connecting position are subjected to acting force in two directions, friction loss of the elastic pieces is increased, and the service life of the equipment is shortened are solved.
Owner:KUNSHAN CHRISTO CULTURE TECHNOLOGY CO LTD

RGB-LED spectrum closed-loop system for colorimetry teaching and color matching method

The invention discloses an RGB-LED spectrum closed-loop system for colorimetry teaching and a color matching method. The system comprises a multi-source input module, a spectrum database module, a dynamic modeling module, an optimization algorithm engine module, a duty ratio calculation module, a PWM driving module and a closed loop verification module. The system is provided with a multi-source input interface, target color coordinates can be obtained, and chromaticity conversion of RGB input is supported; on the basis of the constructed high-precision linear model, solving a normalized strength ratio under constraints by combining an optimization algorithm engine and taking minimization of chromatic aberration as a target; calculating an actual PWM duty ratio according to the actual PWM duty ratio; meanwhile, a spectral irradiation sensor is integrated to collect a mixed color spectrum in real time, actual color coordinates are calculated, and an offset connecting line with an arrow between a target point and an actual point is dynamically drawn in a chromaticity diagram, so that a set of complete visual teaching tool is formed. Compared with a manual color matching scheme, the color mixing precision and the color matching efficiency are greatly improved, and the teaching requirements of colorimetry can be better met.
Owner:NANCHANG UNIV

Multifunctional teaching aid suitable for intelligent teaching

ActiveCN222190101Udevelop thinking skillsimprove thinkingWriting boardsTeaching apparatusSoftware engineeringTeaching tool
The utility model discloses a multifunctional teaching aid suitable for intelligent teaching, relates to the technical field of teaching tools, and solves the problem that the thinking ability, operational ability and innovation ability of students are difficult to cultivate if the structure of the teaching aid is too simple. A first intelligent teaching mechanism and a second intelligent teaching mechanism are arranged between the outer frames, the first intelligent teaching mechanism comprises an erasable magnetic writing board, the two sides of the erasable magnetic writing board are fixedly installed on the inner sides of the outer frames respectively, placing grooves are formed in the surfaces of the outer frames respectively, and magnetic modules are placed on the inner sides of the placing grooves respectively. And the bottom surfaces of the magnetic modules are respectively adsorbed on the surfaces of the magnetic blocks. The magnetic modules placed on the inner sides of the placing grooves can be taken out and attached to the surface of the erasable magnetic writing board, then the patterns can be effectively displayed on the surface of the erasable magnetic writing board through the magnetic modules, and therefore the purpose of cultivating the thinking ability, the manipulative ability and the innovation ability of students is achieved.
Owner:YUNNAN OPEN UNIV

Electric vacuum blackboard eraser

The invention discloses an electric vacuum blackboard eraser, which belongs to the technical field of teaching tools, and comprises a gripping plate, a dust collecting box is detachably connected to the top of the gripping plate, a brush plate is movably installed on the top of the dust collecting box, multiple rows of bristles are installed on the top of the brush plate, multiple ash passing holes are provided on the brush plate, a dust filter is detachably installed on the bottom of the dust collecting box, multiple baffles cooperating with the ash passing holes are installed inside the dust collecting box, the baffles are obliquely installed on the inner wall of the dust collecting box and can rotate, a fan is installed inside the gripping plate, a switch is installed at one end of the gripping plate, and multiple exhaust holes are provided at the bottom of the gripping plate. The invention can collect scattered dust during use, reduce the harm of dust to teachers and students, and at the same time, it also has high sealing when not in use, and will not cause the dust collected inside the dust collecting box to leak, thereby reducing the pollution of secondary dust.
Owner:萧县鑫辉源电池有限公司

Soil teaching tool for geography

The utility model discloses a tool for soil teaching in geography, which relates to the technical field of geography teaching appliances, and comprises a soil storage box, a soil experiment box and a soil acidity-alkalinity testing device, the soil experiment box comprises an experiment box body and an experiment box cover, the rear side of the experiment box body is fixedly connected with the front side of the soil storage box, and the experiment box cover is fixedly connected with the soil storage box. The experiment box cover is hinged to the side, away from the soil storage box, of the top of the experiment box body and can be buckled between the top of the experiment box body and the front side of the soil storage box, so that the soil storage box and the soil experiment box are spliced to form a cubic structure, and when the experiment box cover is forwards turned over by 180 degrees, an experiment platform can be formed in the middle of the experiment box cover; the interior of the soil storage box is divided into a plurality of first compartments, the interior of the soil experiment box is divided into a plurality of second compartments, at least five groups of first compartments and second compartments are respectively used for placing green soil, carclazyte, black soil, red soil and loess, and at least one group of first compartment and second compartment is used for placing a soil acid-base property testing device.
Owner:YILI NORMAL UNIV

Method, device and equipment for generating AR teaching material and medium

This application discloses a method, apparatus, device, and medium for generating AR teaching materials, belonging to the technical field of AR teaching. In this application, information on the teaching content, including descriptions of the learning objectives and / or knowledge and skills to be mastered by the learners, is obtained, and usable AR teaching tools are determined. Then, using the teaching content information and usable AR teaching tools, AR teaching materials that meet the learners' learning objectives and are used for AR teaching with the usable AR teaching tools are generated. When generating AR teaching materials, it is not necessary to master various techniques and experience in generating AR teaching materials; only the teaching content information and usable AR teaching tools need to be determined, and the AR teaching materials are automatically generated, thereby improving the efficiency of AR teaching material generation.
Owner:GUDONG TECH CO LTD

Intravenous injection tool for nursing teaching

The utility model discloses an intravenous injection tool for nursing teaching, and particularly relates to the technical field of teaching tools, the intravenous injection tool comprises a simulation arm, and a plurality of simulation blood vessels are arranged in the simulation arm according to a real human body structure; each simulated blood vessel comprises a supporting tube on the inner layer and a flexible sensor wrapping the outer layer of the supporting tube; the signal output end of the flexible sensor is connected to the input end of a signal conditioning circuit; the output end of the signal conditioning circuit is connected to the input end of the comparator; the output end of the comparator is connected to the control end of the alarm and the control end of the illuminating lamp. And finally, the power supply ends of the flexible sensor, the alarm and the illuminating lamp are connected to the corresponding output ends of the power supply through wires. The bottom end of the simulation arm is provided with an adjusting structure and a protruding structure.
Owner:TONGLIAO HOSPITAL

Device for teaching simulation of valves and pipelines

The utility model relates to the technical field of teaching aids, in particular to a device for teaching simulation of valves and pipelines, which comprises a bottom plate, a positioning elbow, a maintenance gate valve, a movable elbow and a left fixing plate, the maintenance gate valve is positioned between the positioning elbow and the movable elbow, a telescopic sleeve is connected between the maintenance gate valve and the movable elbow, and the left fixing plate is provided with a left fixing plate and a right fixing plate. A left flange plate is arranged on one side of the positioning bent pipe, a right flange plate is arranged on the other side of the positioning bent pipe and is in threaded connection with a right fixing plate through a first inner hexagon screw, four base plates are arranged between the bottom of the left fixing plate and the bottom plate, two sliding through grooves are formed in the left fixing plate, and first T-shaped screws connected into the sliding through grooves in a sliding mode are arranged on the left fixing plate. A first positioning nut in threaded connection with the first T-shaped screw is arranged above the left fixing plate, the side edge of the positioning bent pipe and the side edge of the movable bent pipe are each provided with a four-branch connector, and a manual valve is arranged on each four-branch connector. According to the structure, the length of the pipeline can be adjusted according to requirements, and installation during teaching is facilitated.
Owner:XIANGTAN ZHONGHUAN WATER AFFAIRS CO LTD

Teaching tool for Chinese education

The utility model discloses a teaching aid for Chinese education, and relates to the technical field of Chinese education. The technical problems that an existing Chinese education teaching appliance is inconvenient to use, and some teaching contents are missed and are not displayed are solved. According to the technical scheme, the Chinese education teaching appliance comprises a teaching appliance main body, and further comprises a control switch, a front door plate, a display window, a power assembly, an auxiliary assembly, a teaching assembly and a supporting base; according to the Chinese education teaching appliance, the teaching assembly can circularly move through the power assembly, the teaching assembly can be assisted to move through the auxiliary assembly, automatic operation can be achieved through the teaching assembly, and compared with a traditional teaching mode, the device has the good teaching effect; different Chinese teaching contents can be changed at any time to display different Chinese characters, phrases and the like, use is more convenient and interesting, and then the interest and participation degree of students in the contents are improved.
Owner:郭凯琳

Bubble sorting algorithm demonstration teaching aid

The utility model discloses a bubble sorting algorithm demonstration teaching aid, which can grab balls to be sorted on one or two seat bodies through a grabbing mechanism, identify digital labels on the two grabbed balls through a machine vision system and compare the sizes of the digital labels. The controller of the machine vision system controls the driving mechanism and the grabbing mechanism to be matched, the balls are sorted according to the bubble sorting step and the size of the digital labels, the bubble sorting step is demonstrated, and therefore real object demonstration of the bubble sorting algorithm is achieved.
Owner:陈绍友

Experimental box for exploring factors influencing heat absorption and heat dissipation

The utility model provides an experimental box for exploring factors influencing heat absorption and heat dissipation, which belongs to the technical field of teaching tools and comprises a box body, a bulb, a cross graduated scale, a test box, a temperature sensing module and a display module. Operation openings are formed in four side surfaces of the box body; the bulb is arranged at the middle position in the box body; the cross graduated scale is arranged on the inner wall of the box body, and the bulb is located above the center of the cross graduated scale; the number of the test boxes is at least two, and the test boxes are placed on the cross-shaped calibrated scale and face the bulb. The two temperature sensing modules are correspondingly arranged in the test box; the display module is arranged on the box body and connected with the corresponding temperature sensing module, and the display module is used for displaying the sensing temperature value of the temperature sensing module in real time. According to the utility model, the area factor, the angle factor and the color factor can be tested simultaneously or respectively, so that the same set of teaching aid can be used for exploring the factors related to the heat absorption amount of the solar water heater and exploring the experiment of whether a black object can accelerate heat transfer or not.
Owner:STAR RUICHUANG (SHANGHAI) CONSTRUCTION DEVELOPMENT CO LTD

Teaching tool for eyeball surgery

The utility model discloses a teaching tool for eyeball surgery, which comprises a supporting column and an eyeball model, the front end of the supporting column is provided with a regulation and control auxiliary mechanism, the regulation and control auxiliary mechanism comprises a sliding rail fixedly connected to the front end of the supporting column, the outer side of the sliding rail is connected with a sliding frame in a sliding mode, one end of the sliding rail is provided with a limiting hole, and the other end of the sliding rail is connected with the eyeball model. And the front end of the sliding frame is fixedly connected with a mounting block. According to the teaching tool for the eyeball surgery, the threaded rod is rotated to move in the adjusting frame, so that the threaded rod drives the adjusting and controlling plate to move through the connecting block, the limiting block is separated from the limiting hole, the sliding frame is pulled to slide along the sliding rail, and the purpose of conveniently adjusting the height of an eyeball model is achieved; therefore, the eyeball model is adapted to different positions and is matched with the actual exposure height and the operation view angle of the eyeball in a real operation, and operation changes caused by differences of eye socket depth and eyelid tightness of a patient in clinic are restored.
Owner:WENZHOU MEDICAL UNIV