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86results about How to "Improve classroom efficiency" patented technology
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Task-driven precise classroom teaching cloud educational management system
InactiveCN106781759APromote teaching progressQuick rewardData processing applicationsElectrical appliancesComputer scienceLearning resource
The invention discloses a task-driven precise classroom teaching cloud educational management system. The system comprises a cloud server, a student terminal and a teacher terminal, wherein the student terminal and the teacher terminal are connected with the cloud server. The student terminal can be used for searching for resources stored in the cloud server, and conducting loading, checking and editing within permission scope. The teacher terminal can be used for uploading resources to the cloud server, and conducting management, editing and information push on the resources within permission scope. The cloud server is used for storing learning resources to be acquired by the teacher terminal. The system solves the problems that the effect of preparation of students before class is not ideal, teaching progress is slow, a teacher can not comprehensively learn the learning condition of all students, objective and fair quantitative evaluation of students can not be achieved, and after-school review is inconvenient.
Owner:JIANGSU XUEZHENG EDUCATION TECH CO LTD
Multifunctional teaching system
PendingCN109817041ARealize intelligent controlImprove classroom efficiencyElectrical appliancesProgramme total factory controlTerminal equipmentComputer terminal
The embodiment of the invention relates to a multifunctional teaching system. The multifunctional teaching system comprises electronic display equipment, teaching terminal equipment, learning terminalequipment, recording equipment and environmental control equipment, wherein the electronic display equipment is used for acquiring corresponding class information, teacher information and subject information in a course planning list according to classroom ID and current time information, and displaying the information; the teaching terminal equipment comprises a teaching control terminal and a display terminal; the teaching control terminal comprises a receiving unit and a processing unit; the processing unit is used for invoking a corresponding teaching file according to a file invoking instruction, and sending the teaching file to the display terminal; the display terminal is used for displaying the teaching file; the learning terminal equipment is connected with the teaching terminalequipment through network and comprises a learning control terminal and VR display equipment; the recording equipment is used for receiving a recording instruction sent by the teaching terminal equipment and recording a classroom to generate visual classroom data; the environmental control equipment is connected to a curtain control unit, a light control unit and an air conditioner control unit ina classroom.
Owner:BEIJING HAPPOK INFORMATION TECH
Interactive teaching system based on PC
ActiveCN111796752AImprove concentrationImprove the efficiency of listening to lecturesData processing applicationsAcquiring/recognising eyesEngineeringIntelligence analysis
The invention discloses an interactive teaching system based on a PC. The system comprises an information acquisition module, an artificial intelligence processing module and an information feedback module, the information acquisition module is used for acquiring and storing facial and eyeball information of a student, the artificial intelligence processing module is used for carrying out artificial intelligence analysis on data collected by the information collection module and calculating the collected data by constructing an eyeball movement model and a face recognition model to obtain a calculation result, and the information feedback module is used for receiving the artificial intelligence analysis result and knowing the learning state of students. According to the invention, the teacher terminal and the student terminals are connected by using a novel technology, the teaching process is realized anytime and anywhere, and through the application of eyeball recognition and face recognition technologies, the classroom interaction frequency between teachers and students is increased, the learning interestingness of students is improved, and the teaching content is richer.
Owner:四川科华天府科技有限公司
Height-adjustable horizontal bar equipment for physical training
InactiveCN107261383AEasy to adjustScientific and reasonable designHorizontal barsEngineeringHorizontal bar
The invention discloses height-adjustable horizontal bar equipment for physical training. A left horizontal bar adjusting air cylinder is welded on a left base plate; a right horizontal bar adjusting air cylinder is welded on a right base plate; a left piston is arranged in the left horizontal bar adjusting air cylinder; a right piston is arranged in the right horizontal bar adjusting air cylinder; a left horizontal bar adjusting pillar is fixedly arranged on the left piston; a right horizontal bar adjusting pillar is fixedly arranged on the right piston; a horizontal bar transverse beam is welded at the top ends of the left horizontal bar adjusting pillar and the right horizontal bar adjusting pillar; an inflator is welded at the left side of a left base plate; the inflator is connected to the left horizontal bar adjusting air cylinder by virtue of an inflating tube; and the left horizontal bar adjusting air cylinder and the right horizontal bar adjusting air cylinder communicate by virtue of a connecting air tube. The height-adjustable horizontal bar equipment provided by the invention is scientific and reasonable in design and simple in structure; and height of a horizontal bar can be conveniently adjusted in exercise, so that classroom efficiency can be enhanced.
Owner:ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG
A method for analyzing and monitoring students' classroom behavior
InactiveCN109410098ARealize monitoringSolve the inconvenience of managementData processing applicationsCharacter and pattern recognitionBehavioral analyticsComputer science
The invention discloses a method for analyzing and monitoring students' classroom behavior. The method is characterized by comprising the following steps: 1, acquiring classroom images in real time and uploading to a server; 2, identifying the student behavior in the image respectively, and judging whether the student behavior belongs to abnormal behavior or not; 3: If the behavior of the studentis abnormal, record the abnormal behavior of the student, and send the corresponding prompt information to the terminal of the student and the teacher respectively. The method for analyzing and monitoring the classroom behavior of students accurately identifies the behavior of students, timely discovers abnormal behavior, realizes the monitoring and management of the classroom behavior of students, lightens the work of teachers, promotes students to seriously listen to lessons, and improves classroom teaching efficiency.
Owner:SICHUAN WINSHARE EDUCATION SCI & TECH
New classroom teaching model based on machine vision technology
InactiveCN104089574AReduce repetitive workImprove classroom efficiencyData processing applicationsUsing optical meansImage sensorGraphical user interface
The invention discloses a new classroom teaching model based on the machine vision technology. The new classroom teaching model solves the problems existing in traditional measurement technology teaching. Hardware comprises a CCD image sensor of a USB interface, a sphere integration light source, a computer, a standard part with the diameter phi of 40.00 mm and a workpiece to be measured. Software is used for workpiece dimension measurement independent learning software based on the machine vision technology. According to the technical scheme of a system, a program is initialized, and a graphical user interface pops up; a video is started, and communication between the computer and a camera is achieved; calibration is performed, and the unit conversion relation is obtained; judgment is made, and students learn through independent operation; the video is stopped, communication between the computer and the camera is stopped; scores are queried, analysis is performed in time, and thus targeted teaching can be achieved and instructions can be given in good time. The system not only can meet the requirements of a traditional classroom but also can motivate the students, repetitive work of teachers is reduced, classroom efficiency is improved, the information-based teaching development progress of vocational schools is promoted, and the application and popularization prospects are broad.
Owner:ZHENJIANG VOCATIONAL TECHN COLLEGE
Circular motion presentation device
The invention belongs to the technical field of physics teaching auxiliary tools, and particularly relates to a circular motion presentation device. The circular motion presentation device comprises a base, two vertical plates, a rotary bearing groove, a motor, a tension sensor, a swinging ball, a plurality of speed sensors, a display screen and a PLC. The lower ends of the two vertical plates are fixedly connected with the base, the positions close to the upper ends of the vertical plates are provided with through holes, the rotary bearing groove is formed between the two vertical plates, the motor is fixedly arranged in the middle of the outer side of the bottom face of the bearing groove, a rotating shaft of the motor stretches out of the inner side of the bottom face of the bearing groove, the end of the rotating shaft of the motor is provided with the tension sensor, the bearing groove is internally provided with the swinging ball connected with the tension sensor, the speed sensors are arranged on the inner side of the bottom face of the bearing groove and arranged around the rotating shaft of the motor, the display screen is electrically connected with the PLC, and the tension sensor and the speed sensors are electrically connected with the PLC. The device can present the circular motion in the horizontal direction and the vertical direction and can monitor the centripetal force and speed, students can visually understand conveniently, and the classroom efficiency is improved.
Owner:刘淑英
Remote education method and system for smart education
InactiveCN111797324AImprove quality and efficiencyImprove classroom efficiencyData processing applicationsDigital data information retrievalEngineeringKnowledge management
The invention discloses a remote education method and system for smart education. The method comprises the steps of: obtaining a first question of a first user for a first course; obtaining a first class state of the first user; determining first knowledge point information in the first course according to the first question; obtaining the mastery degree of the first user for the first knowledge point according to the first question and the first class state; when the mastery degree of the first user for the first knowledge point does not meet a first preset threshold, obtaining a first micro-course of the first knowledge point, and obtaining self-test information of the first user according to the first micro-course; performing test analysis on the self-test information of the first userto generate a first micro-course analysis report; and obtaining first after-class homework information of the first user according to the first micro-class analysis report and the mastery degree of the first knowledge point. The effect of improving the learning quality and classroom efficiency of the user is achieved.
Owner:广州驰兴通用技术研究有限公司
Method for broadcasting classroom screen contents based on electronic paper reading devices
InactiveCN102157080AAddress classroom inefficienciesImprove classroom efficiencyBroadcast specific applicationsBroadcast transmission systemsWi-FiRadiation
The invention relates to a method for broadcasting classroom screen contents based on electronic paper reading devices. The method comprises the following steps: (1) a host computer used by a teacher and electronic paper reading terminals used by students form a Wi-Fi (Wireless Fidelity) wireless network through a wireless router; (2) the classroom screen contents are acquired by the host computer, and broadcast and sent to the electronic paper reading devices via the Wi-Fi wireless network; (3) the electronic paper reading devices are used for receiving the classroom screen contents via the Wi-Fi wireless network, storing the classroom screen contents sent by the host computer and displaying the classroom screen contents on the screen. By the adoption of the method for broadcasting the classroom screen contents based on the electronic paper reading devices, the classroom screen contents of the teacher are rapidly and accurately broadcast to the electronic paper reading devices via the Wi-Fi wireless network and displayed, so that the problem that information acquisition is difficult for general students during the actual learning in class is solved effectively, the learning efficiency in class is improved and the method is beneficial to the environmental protection; meanwhile, the electronic paper reading devices used by the student terminals have the advantages of low price, little radiation, low energy consumption, protability and the like and are beneficial to visual fatigue alleviation and eyesight protection.
Owner:NANKAI UNIV
Wireless class teaching system based on virtual instrument
InactiveCN102789705ASave teaching resourcesChange the teaching modeBroadcast transmission systemsElectrical appliancesComputer scienceConsciousness
The invention discloses a wireless class teaching system based on a virtual instrument. The wireless class teaching system consists of a teacher end module and a student end module, wherein the teacher end and the student end are communicated through wireless transmitting and receiving modules, and information from the student end is received by the teacher end through the wireless receiving module. The wireless class teaching system based on the virtual instrument disclosed by the invention has the characteristics that teaching resources are saved, and a teacher can know a process of an experiment performed by a student without spending much time; the conventional teaching mode is fundamentally changed, and theory teaching and experiment teaching are integrated; and the students can learn from each other, the teaching efficiency is improved, learning interest of the students is aroused, the innovation consciousness of the students is cultivated, and the talent cultivating quality is improved.
Owner:GUILIN UNIV OF ELECTRONIC TECH
Multimedia teaching apparatus
InactiveCN103177613AAvoid enteringReasonable structureElectrical appliancesLiquid-crystal displayPush pull
The invention relates to teaching equipment, and particularly relates to a multimedia teaching apparatus. According to the technical scheme, the multimedia teaching apparatus comprises a cabinet body, wherein a stereo cabinet and a mainframe cabinet are arranged at the lower part of the cabinet body, a stereo is arranged in the stereo cabinet, a mainframe and a UPS power supply are arranged in the mainframe cabinet, a cabinet surface is arranged at the upper part of the cabinet body and provided with a liquid crystal display, a push-pull platform is arranged at the lower part of the cabinet surface and provided with a keyboard and a mouse, a lighting lamp is fixedly arranged at one side of the cabinet body through a telescopic support arm, and a protective cover is arranged at the front end of the cabinet body. The multimedia teaching apparatus has the beneficial effects of being reasonable in structure, simple and smart, and convenient to use, meeting the demand of multimedia teaching, and improving the classroom efficiency.
Owner:张敬敏
Self-service intelligent electrician practical training platform
InactiveCN110533998AImprove electricity safetyEasy to operateEducational modelsComputer moduleEngineering
The invention discloses a self-service intelligent electrician practical training platform. The platform comprises an operating frame, a programmable controller, a power management module and a plurality of experiment circuit modules are arranged on the operation frame, and a wiring socket is arranged on the experimental circuit module. The experiment circuit modules are connected through the wiring socket and a wire to form a complete practical training circuit, the wiring socket is also connected with a wiring detection module, and the wiring detection module is connected with a programmablecontroller, detects the wiring correctness and transmits a detection result signal to the programmable controller. According to the invention, the automatic detection of the student electrical line wiring errors and the component type selection errors during the electrician practical training is realized, the common manual line inspection and troubleshooting are replaced, and the wiring problem of each line is detected through the system detection, so that the teaching pressure is reduced, and the classroom efficiency is improved. According to the invention, the safety practical training andthe remote scoring under an unattended condition can be realized, and the open requirements and the remote management requirements of the laboratories of the colleges and universities are met.
Owner:JIANGSU OPEN UNIV
Intelligent teaching system
ActiveCN112034722AStrengthen security managementImprove the learning environmentData processing applicationsComputer controlKnowledge managementServer
The invention discloses an intelligent teaching system which comprises a classroom management system, a dynamic seat chart, a server, a teacher terminal, a student terminal and a positioning device. The classroom management system is used for detecting whether a classroom is in a use state or not, and is connected with the server; wherein the dynamic seat chart is used for updating seat information of students in real time and is connected with the teacher terminal; the teacher terminal is connected with the server, and is used for prompting the classroom position of the teacher before class and displaying the seat information of the students during class; the student terminals are connected with the server and used for providing class schedules, class classrooms and self-study classroomsfor students; the positioning device is arranged on the student terminal and is used for positioning the position of a student; by setting the dynamic seat chart, teachers' understanding of students in class is enhanced, teachers can better cultivate hobbies and interests of students directionally, and classroom efficiency is effectively improved.
Owner:SHANDONG TRANSPORT VOCATIONAL COLLEGE
Teaching pointer
InactiveCN102402876ACoping with easeImprove classroom efficiencyReadingComputer scienceMultiple function
Owner:刘显余
Smart classroom system based on IPv6 technology
ActiveCN109979251AConvenient teachingReduce misjudgmentData processing applicationsElectrical appliancesData informationComputer terminal
The invention discloses a smart classroom system based on the IPv6 technology, and in particular relates to the technical field of teaching systems. The system comprises a server, the connecting end of the server is provided with a campus management terminal, a firewall is arranged at the connecting end of the server, a main gateway is arranged at the connecting end of the firewall, and a smart campus system is arranged at the connecting end of the main gateway. For the smart classroom system, through the server, unique IPv6 addresses are provided for student terminals and teacher terminals and the IPv6 protocol is supported, before the class, a card reader reads the IPv6 addresses and personal data information in campus cards, through a face scanner, the facial features of students are scanned, then authentication is completed, so that the corresponding students terminals of the IPv6 addresses log in the smart classroom network, sign in is completed, the erroneous judgement for sign in can be reduced, the sign-in replacement and class giving replacement can be avoided, meanwhile, each teacher asks questions through an interrogator-responder and obtains feedback, a statistics module carries out classified statistic on the answers which are fed back and recording is made on a storage module, the statistical result is displayed intuitively, thus the class efficiency can be improved, and the teaching of the teacher is facilitated.
Owner:广东新源信息技术有限公司
Lecture-listening state detection method and apparatus
InactiveCN105224232ASolve the problem of not being able to determine whether the student is paying attention to the lectureFully automatedData processing applicationsInput/output processes for data processingTime differenceComputer science
The present invention discloses a lecture-listening state detection method and apparatus used to detect lecture-listening states of students in a class so as to solve the problem that teachers using electronic educational devices to lecture are unable to determine whether the students listen to the lecture carefully. The method comprises: receiving an interactive instruction from a teacher terminal and recording a first time of receiving the interactive instruction, wherein the interactive instruction is used for instructing a user to perform an operating gesture in a student terminal; when the operating gesture of the user in the student terminal is detected, recording a second time of detecting the operating gesture; calculating a time difference between the first time and the second time; determining whether the time difference is greater than a preset time difference; and when the time difference is greater than the preset time difference, determining that the user is currently not in the lecture-listening state. According to the technical scheme, the seriousness of the students listening to the lecture in the class is automatically detected, thereby improving class efficiency.
Owner:TVM BEIJING EDUCATION SCI & TECH CO LTD
Novel hydrodynamic lubrication demonstrator
The invention discloses a novel hydrodynamic lubrication demonstrator. The novel hydrodynamic lubrication demonstrator comprises a movable ring, a stationary ring, an oil tank filled with silicone oil, a motor and a transmission device, the movable ring and the stationary ring are arranged in the oil tank, the stationary ring is arranged above the movable ring, and the movable ring and the stationary ring are performed with oil seal; the center of the movable ring is connected with a spindle through a flat key, and the spindle is in transmission connection with the motor shaft of the motor through the transmission device; when rotating, an oil film is formed between the movable ring and the stationary ring; wedge-shaped bumps are arranged on the lower surface of the stationary ring at intervals along the circumferential direction, and the lower surface of the stationary ring is matched with the upper surface of the movable ring to form wedge-shaped gaps of the oil film; through holes are formed in the upper surface of the stationary ring and communicated with an oil pressure display pipe and the wedge-shaped gaps, and the upper end of the oil pressure display pipe is communicated with the external environment.
Owner:ZHEJIANG UNIV OF TECH
Multimedia teaching demonstration method and system
InactiveCN109243211AImprove intelligenceImprove teaching efficiencyData processing applicationsElectrical appliancesDisplay deviceMultimedia
The invention relates to the multimedia teaching field and discloses a multimedia teaching demonstration method and a system. The method comprises the following steps: determining the current teachingenvironment parameters in a classroom under the condition of teaching demonstration by a display device; determining a current demo parameter of the display device, the current demo parameter being used to indicate a current display state of the display device; judging whether the current demonstration parameter matches the current teaching environment parameter based on the corresponding relationship between the teaching environment parameter and the demonstration parameter; when the current demonstration parameter does not match the current teaching environment parameter, the demonstrationparameter corresponding to the current teaching environment parameter being determined according to the corresponding relationship, and the display device being controlled to perform teaching demonstration with the demonstration parameter corresponding to the current teaching environment parameter. By using the method of the embodiment of the application, the intelligence of the multimedia teaching demonstration can be improved, the teaching efficiency of the teacher can be improved, and the classroom efficiency of the students can be improved.
Owner:CHONGQING IND POLYTECHNIC COLLEGE
Campus smart card system
InactiveCN104346851AReduce the burden onImprove classroom efficiencyIndividual entry/exit registersDisplay deviceSmart card
The invention discloses a campus smart card system which comprises a main control server, a card sweeping machine and a smart card, wherein the main control server comprises a signal receiving device, a controller and a storage device; a signal emission device is arranged on the card sweeping machine; the main control server is connected with a multimedia in a classroom and is also connected with an educational query system. The campus smart card system has the beneficial effects that the main control server comprises the signal receiving device, the controller and the storage device; all pieces of information, including class arrangement and the like, of students are input into the main control server; therefore, during daily teaching, a teacher does not need to call personally, and the students directly sweep the cards; the card sweeping machine transmits the information into the main control server through the signal emission device; particularly under a condition that a quantity of students enter the classroom, the burden of the teacher is greatly relieved; the classroom efficiency is improved, and absenteeism and late of the students can be obtained; moreover, the main control server is connected with the multimedia in the classroom, so that the attendance rate of a class can be displayed on a display in the classroom.
Owner:ZHENGZHOU DANDIAN TECH SOFTWARE
Electronic teaching stick
InactiveCN102005143AEasy to understandImprove classroom efficiencyReadingInput/output processes for data processingWhiteboardTerra firma
The invention relates to an electronic teaching stick which comprises a handle, a transmitting and receiving circuit, a switching push button, a play button, a connecting rod and a transmitting terminal, wherein both ends of the connecting rod are respectively connected with the transimitting terminal and the handle; the transmitting and receiving circuit is arranged in the handle and is electrically connected with the transmitting terminal by the connecting rod; the switching push button and the play button are respectively connected with the transmitting and receiving circuit and pass through the handle; the transmitting and receiving circuit is a carrier generator; the transmitting terminal is rotatably connected with the connecting rod; the connecting rod is connected with one end of the handle; the handle is stream line form, the connecting rod is an expansion link or a fixed link; the electronic teaching stick is used by being matched with the electronic whiteboard; and the transmitting and receiving circuit is a transmitting and receiving circuit of microwave electronic signals. The electronic teaching stick of the invention has ingenious design, low cost, is convinient to use, and greatly improves the working efficiency, has the electronic teaching stick function and the writing function, can not scratch the electronic whiteboard when writing, and lays a solid foundation for further development of modern education mode and teaching method.
Owner:洪颖莎
Intelligent teaching classroom and control method thereof
Owner:SUZHOU QIZHAN INFORMATION TECH CO LTD
Double-shaft drawing instrument for arc teaching and drawing method thereof
The invention discloses a double-shaft drawing instrument for arc teaching and a drawing method thereof. The double-shaft drawing instrument for arc teaching comprises a frame, a fixed plate, a drawing board, a drawing pen, a Y-axis driving assembly and a Z-axis driving assembly, wherein the fixed plate is vertically fixed to the middle position of the frame; the drawing board is fixed to the front side face of the fixed plate; a pen holder of the drawing pen is fixed to a supporting seat through a support; a pen point of the drawing pen penetrates through a through hole of the supporting seat; the Y-axis driving assembly is used for controlling the supporting seat to move in the Y-axis direction; the Z-axis driving assembly is used for controlling the supporting seat to move in the Z-axisdirection. A computer is used for controlling operation of a second forward and reverse rotation motor and a first forward and reverse rotation motor, so that the double-shaft drawing instrument controls the drawing pen to conduct drawing without hand drawing, and the classroom efficiency is improved.
Owner:JIANGSU MARITIME INST
Electronic whiteboard system
InactiveCN111028569AMeet teaching needsMeet the needs of lecturesData processing applicationsElectrical appliancesWhiteboardLearning unit
The invention discloses an electronic whiteboard system, which comprises a touch display module, a switching control module and a recording and broadcasting module, and further comprises: a blackboardwriting module which comprises a plurality of types of blackboard writing tools; a convenient tool module that comprises various types of convenient operation tools; a subject learning module that comprises a plurality of types of subject learning units; a cloud communication module; a switching power supply module that is connected with the touch display module; and an intelligent supervision module that is connected with the touch display module, the recording and broadcasting module, the switching control module, the blackboard writing module, the convenient tool module, the subject learning module, the cloud communication module, the switching power supply module and the switching power supply module. The system can integrate diversified functions of multimedia teaching, cloud communication, dynamic blackboard-writing teaching and the like, can assist in completing various teaching tasks, greatly improves the remote online classroom efficiency, meets the teaching requirements of teachers and the lecture attending requirements of students, and can adapt to current rich and colorful diversified teaching.
Owner:安徽文香信息技术有限公司
Video processing method and device, electronic equipment and storage medium
PendingCN112511853AAdd funMaintain affinitySelective content distributionImaging processingComputer graphics (images)
The embodiment of the invention provides a video processing method and device, electronic equipment and a storage medium, and relates to the technical field of image processing. The method comprises the following steps: receiving an anchor assistant image and an anchor image sent by an image acquisition device; identifying a real-time expression of the anchor assistant image, and generating a cartoon head portrait of the corresponding expression; replacing the anchor assistant image with the cartoon head portrait. The cartoon head portrait and the anchor image are subjected to video synthesisand output display, interaction with a main teacher is carried out through the cartoon head portrait, the course interestingness is increased, and the problem that the classroom efficiency is influenced due to the fact that the attention of students is difficult to attract in existing online teaching is solved.
Owner:北京乐学帮网络技术有限公司
A teaching speech explanation system based on wireless network
InactiveCN109191946AImprove listening efficiencyEasy to operateData processing applicationsSpeech recognitionWireless mesh networkMobile end
The invention discloses a teaching speech explanation system based on a wireless network, including a teaching server, a teacher mobile end and a student mobile terminal;, the login module transmits the teacher to the teaching server after logging in, the teaching server transmits the teaching data to the teacher mobile terminal, the students sign in from the sign-in module and transmit to the teaching server, the teaching server transmits the student sign-in information to the teacher mobile terminal, The teacher will mark the teaching materials through the No. 1 touch display module and pushthe information to the No. 2 communication module in real time through the No. 1 communication module, and the No. 1 communication module is connected with the No. 2 communication module in real timeso that the contents of the teacher's mobile terminal are consistent with the contents of the student's mobile terminal at all times. The invention has the advantages of high teaching efficiency, high teaching quality, convenient operation, clear voice and highly reducing reality teaching, and is mainly used for network teaching.
Owner:林辉
Hydrodynamic pressure lubrication demonstrator
ActiveCN104064095AGood light transmissionPure colorEducational modelsFuel tankPulp and paper industry
The invention discloses a hydrodynamic pressure lubrication demonstrator. The hydrodynamic pressure lubrication demonstrator comprises a movable ring, a static ring, an oil tank filled with silicone oil, a motor and a transmission device, wherein the movable ring and the static ring are arranged in the oil tank, the static ring is arranged above the movable ring, and the static ring is in oil seal with the static ring; the centre of the dynamic ring is connected with a main shaft by a flat key, and the main shaft is in transmission connection with the motor shaft of the motor by the transmission device; during rotation, an oil film is formed between the movable ring and the static ring; wedge-shaped projections are arranged on the lower surface of the static ring at intervals along a circumferential direction, and the lower surface of the static ring is matched with the upper surface of the movable ring to form the wedge-shaped gaps of the oil film; a through hole is formed in the upper surface of the static ring, the through hole is communicated with an oil pressure display tube and the wedge-shaped gaps, and the upper end of the oil pressure display tube is communicated with an external environment.
Owner:ZHEJIANG UNIV OF TECH
Manual up-and-down type chalk cleaning blackboard
PendingCN109572281AIncrease teaching timeReduce flyingBoard cleaning devicesWriting boardsEngineeringTorsion spring
The invention discloses a manual up-and-down type chalk cleaning blackboard which is mainly the improvement of an up-and-down lifting type blackboard which is used for most of schools. The manual up-and-down type chalk cleaning blackboard comprises a hairbrush, a blackboard bracket, a sliding rail, a linear rail, an annular rail, a spherical ball, a position exchanging module and a dust storage box, wherein the hairbrush is arranged at the back surface of the blackboard; the linear rail and the annular rail are fixedly arranged on the bracket; and the position exchanging module comprises a ball groove, a cylinder, a fixing shaft, a baffle, a limiting plate, a torsion spring and a connecting rod. The superiority of the manual up-and-down type chalk cleaning blackboard disclosed by the invention is that the blackboard can be quickly wiped by virtue of the manual up-and-down type chalk cleaning blackboard, so the teaching time of a teacher is relatively prolonged, and the classroom efficiency is improved. Compared with a traditional blackboard wiping method, the manual up-and-down type chalk cleaning blackboard reduces flying of dust and prevents the dust from causing harms to the health of the teacher. Meanwhile, the chalk dust can be subjected to unified collection by application of the dust storage box, and the chalk dust can be conveniently reprocessed or abandoned, so the dust in a classroom is further reduced.
Owner:THE ENG & TECHN COLLEGE OF CHENGDU UNIV OF TECH
Intelligent teaching internet-of-things system
PendingCN110490129AAvoid being unable to careAvoid problems for all studentsData processing applicationsAlarmsHuman–computer interactionKnowledge management
The invention discloses an intelligent teaching internet-of-things system. The system comprises an information acquisition module, an analysis module and a plurality of execution modules with built-inposition information. The installation positions of the plurality of execution modules are in one-to-one correspondence with the position information of classroom students. The information acquisition module is used for acquiring first position information, instant facial feature information and / or action feature information of students in class and is electrically connected with the analysis module. The first position information, the instant facial feature information and / or the action feature information are / is transmitted to an analysis module. The analysis module analyzes the instant facial feature information and / or the action feature information and judges whether the students in the class listen to the class normally or not. When students in the class do not listen to the class normally, an instruction is broadcasted to a plurality of execution modules, the instruction carries first position information, the execution modules match the first position information with own position information, and the execution modules which are successfully matched remind the students who do not listen to the class normally. Reasonable reminding is facilitated, and the efficiency is improved.
Owner:合肥凌极西雅电子科技有限公司
Teaching display stand with laser-assisted positioning function
PendingCN111462543ARapid positioningShorten the timeElectrical appliancesComputer graphics (images)Engineering
The invention discloses a teaching display stand with a laser-assisted positioning function. The teaching display stand comprises a workbench, a side lamp, a supporting arm, a view finding device, a camera and the like. The teaching display stand is characterized in that: the teaching display stand further comprises a laser-assisted positioning device, the laser-assisted positioning device can emit a frame-shaped laser beam to frame out the visual field area of the view finding device, the laser-assisted positioning device and the camera are fixed to the lower end of the view finding together,and when the position of the view finding device is adjusted through the supporting arm, synchronous change can be guaranteed to the area framed by the frame-shaped laser beam emitted to the workbench by the laser-assisted positioning device and a visual field area of the view finding device. The structure has the beneficial effects that: the visual field area of the display stand is marked through the frame-shaped laser beam emitted by the laser-assisted positioning device, a user of the display stand for teaching is assisted in rapidly positioning the visual field area of the display stand,the time spent in adjusting a display object into the visual field area of the view finding device is saved, and the classroom efficiency is improved.
Owner:NANJING FORESTRY UNIV
Big data-based intelligent digital education terminal system
InactiveCN107943742AAchieve sharingRich dataData processing applicationsTransmission systemsData displayData center
The present invention relates to the field of education technology, especially an intelligent digital education terminal system based on big data. Multiple education sub-terminals are connected to an Ethernet transmission module, and the Ethernet transmission module is electrically connected to a big data management center and a database, and The database is electrically connected to a data classification module, the data classification module is electrically connected to the central processing unit, the client is electrically connected to a data entry module, and the data generation module is electrically connected to a wireless transmission module, and the wireless transmission module is wireless Connected with a data receiving module, the microprocessor is electrically connected with an execution module and a remote acquisition module, the remote acquisition module is also electrically connected with a data acquisition module, and the signal of the data acquisition module is connected to the Ethernet transmission module, the microprocessor The device is also electrically connected with a data display module and a sound module. It can meet the needs of modern education, realize the sharing of educational resources, and conform to the current learning environment.
Owner:JIANGSU RETECH DIGITAL IND PARK CO LTD
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