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55results about How to "Lessen the teaching burden" patented technology

Audio/video two-in-one collecting device and cloud recording and playing method applied to video teaching

The invention discloses an audio / video two-in-one collecting device. The device comprises a recording and playing camera unit for collecting recorded sound data and image data of recorded objects, thus forming teaching courseware; a switch unit for receiving the teaching courseware of the recording and playing camera unit and sending the received teaching courseware to cloud servers by a network; and cloud server units for processing the received teaching courseware, wherein the recording and playing camera unit is in communication connection with the switch unit by the network. The switch unit is in communication connection with the cloud server units by the network. The device and the method have the advantages that wireless integration between the switch and the servers can be finished only by one high integrated recording and playing camera unit, the video teaching cost is greatly reduced, the teaching load is mitigated, and live broadcast and video-on-demand can be carried out to the video teaching contents only by carrying out the simple and high integrated recording and playing camera unit in an ordinary classroom.
Owner:烟台大智电子科技有限公司

Multifunctional cam mechanism teaching tool

The invention relates to a multifunctional cam teaching tool and belongs to the field of teaching appliances. The multifunctional cam mechanism teaching tool is mainly composed of a slide block, a slide rail, a slide block extending plate, a slide rail bracket, a roller driven piece, a guide rod, a sliding chute rod, a cam, a main shaft, a base, a screw knob and a clamp. The slide rail with baffles arranged at two ends thereof is provided with the slide block, and a long baffle is arranged at one side of the slide rail. The lower end of the slide rail bracket is fixedly connected to the clamp, and the clamp is sleeved on the main shaft and is wholly fixed on the base. The slide block extending plate is fixedly connected to the upper end of the slide block, and a rectangular through groove and a round through groove are formed in the slide block extending plate. A shaft sleeve is arranged at one end of the sliding chute rod and is in clearance fit with the main shaft. The cam is fixed on the main shaft through a mounting hole. The multifunctional cam mechanism teaching tool realizes integrated demonstration of most cam teaching contents, meanwhile can lighten teaching burden of a teacher and improve teaching effects efficiently as innovative functions for demonstrating an adjustable driven piece, an adjustable and readable eccentric distance, an inversion-method designed cam profile principle and the like are added, and makes up the vacancy of the existing integrated cam teaching tools.
Owner:周帅

Camera-based augmented reality welding training terminal device

The invention discloses a camera-based augmented reality welding training terminal device which comprises a host machine, 3D visual glasses, a simulative welding gun and a simulative welding part, wherein a camera module group is arranged on the 3D visual glasses, a plurality of simulative welding gun identification codes are arranged on the simulative welding gun, a surface of the simulative welding part is provided with a plurality of simulative welding part identification codes, and a welding task for training can be chosen and relevant parameters that are needed can be adjusted via operation of a press key and adjusting turn buttons on a panel of the host machine; the simulative welding gun identification codes and the simulative welding part identification codes can be identified and positioned via the camera module group so as to to identify different kinds of welding guns and welding parts and collect 3D attitude data, images that are currently collected are superposed onto each other and then processed, a virtual object which is currently identified is displayed, and therefore an augmented reality image can be obtained and displayed in the 3D visual glasses. The Camera-based augmented reality welding training terminal device is characterized by small size, low cost, simple-to-manufacture property, and convenient changing of welding attitudes.
Owner:ZHENGZHOU J&T HI TECH

Internet learning method based on teaching event flow and instant discussion

The invention discloses an Internet learning method based on a teaching event flow and instant discussion. The Internet learning method comprises the steps that a teacher divides the teaching curriculum into a plurality of teaching events, each teaching event comprises teaching materials and topic discussion materials, and then the plurality of teaching events are loaded to a server; the server pushes the teaching events to a client, and the teacher guide students to perform topic discussion in a discussion area after the students finish learning of the teaching materials; and the server performs evaluation the students according to the presentation thereof. According to the Internet learning method based on the teaching event flow and the instant discussion, the students are organized toperform discussion through the discussion area after one teaching material is accomplished, and scoring is performed according to discussion conditions of the students, so that acquisition conditionsof each student for the curriculum is obtained, thereby not only utilizing the advantages of fragmentation teaching, but also being capable of performing automatic evaluation on each time of teaching,and further enabling the teaching effect to be greatly enhanced while greatly reducing the teaching load of the teacher.
Owner:努比技术(广州)有限公司

Reading capability evaluating method, device and equipment for students

The invention provides a reading capability evaluating method for students, and the method is used for evaluating the reading capability of the students, and at least comprises the following steps: obtaining test questions and standard answers corresponding to the test questions, and forming a question band corresponding to a book; initiating an evaluating request for the book; receiving the evaluating request, and selecting formed test questions from the question bank; carrying out the comparison of the test questions and the standard answers, and obtaining an evaluation result; carrying out the comprehensive data analysis, and generating a multi-dimensional capability analysis report. According to the invention, the method enables the elementary school students to carry out the autonomous reading evaluation according to the reading progress, helps the students absorb, think of and master the reading contents in a better way and obtain the reading knowledge, and achieves the overall reading capability analysis. The invention also provides a reading capability evaluating device and equipment for students.
Owner:深圳悦好科技有限公司

WEB-based software testing training system and method

The present invention discloses a WEB-based software testing training system and method. The system is partitioned into a data layer, a service logic layer and a presentation layer, wherein the data layer comprises a relational database; the service logic layer comprises a user service module, a class service module, a testing task service module, an execution service module, an analysis service module and a reporting service module; and the presentation layer comprises an interaction module. A user inputs a testing case according to a testing task; the execution service module executes a tested program and gives out a plurality of defect correction options for each defect found by the user and the user selects the correction option; the execution service module generates a repaired tested program copy according to the selection of the user and executes the program copy and the analysis service module judges whether the user finds the defect of the tested program and judges whether the user repairs the defect; and the reporting service module reports the found and repaired defect. The user completes software testing exercises by the self and obtains real-time guidance by the system, so that a teaching load is greatly reduced and teaching efficiency and a teaching effect are improved.
Owner:JINAN UNIVERSITY

Pre-class instructional learning realizing system applied to teaching process and realizing method thereof

InactiveCN105931507ASolve the problem of not being able to know the preview effect of studentsImprove pre-learning interestElectrical appliancesResource managementComputer science
The invention relates to the technical field of network teaching, and specifically discloses a pre-class instructional learning realizing system applied to a teaching process and a realizing method thereof. The system comprises a teacher end and a student end. The teacher end comprises a resource management module, a fine instructional learning module, an instructional learning editing module and a teacher data statistic module. The student end comprises a student task editing module and a student score inquiry module. According to the system, the learning efficiency is improved, and the teaching burden of a teacher is lightened.
Owner:GUANGZHOU WEIDU COMP TECH CO LTD

Portable psychology teaching display board

The present invention discloses a portable psychology teaching display board. The portable psychology teaching display board comprises a first display mainboard, a second display mainboard and at least one display auxiliary board. The first display mainboard and the second display mainboard are formed by hinging and arrangement by employing hinges. The rear end of the first display mainboard is provided with a holding cabinet with openings at two ends, the at least one display auxiliary board is slidingly arranged in the holding cabinet through expansion joints, the other side wall, opposite to the expansion joints, of the at least one display auxiliary board is provided with pull rings, a set of snap rings are symmetrically arranged at the outer side of the top end of the holding cabineton the first display mainboard, the first display mainboard, the second display mainboard and the at least one display auxiliary board are respectively provided with a plurality of magnet strips, oneteaching metal plate is magnetically absorbed on each magnet strip, and the bottom portion of the first display mainboard is provided with universal wheels. The portable psychology teaching display board employs a luggage casing structure, extra adds teaching areas of display board through folding or pull-push mode, is simple, convenient and rapid to operate and convenient to receive and carry, has a storage function, and is convenient and practical.
Owner:SUZHOU WOSEN YOUJIN ELECTRONICS TECH CO LTD

Demonstration device for etiquette teaching

The invention discloses a demonstration device for etiquette teaching. The demonstration device comprises a base, wherein the lower end of the base is connected with rollers, the base comprises an operating panel and a rod body, the left side of the rod body is connected with a switch, a supporting rod is arranged on the rod body, the supporting rod and the rod body are connected in a threaded manner, the left end of the switch is connected with a power supply, a 360-degree rotary joint is arranged on the supporting rod, the rotary joint is connected with a demonstration board through a fixing bracket and a fixing joint, a demonstration window is arranged at the front of the demonstration board, the demonstration window is made of novel materials, a demonstration lamp is connected to the interior of the demonstration board, the side surface of the demonstration board is provided a jack, a cross rod is arranged at the upper end of the demonstration board, the cross rod is connected with the demonstration board by means of a vertical rod, and the demonstration board is fixed on the cross rod by means of a hook. The demonstration device for etiquette teaching is simple in structure and convenient to use, can be watched from multiple angles, brings convenience for the teacher to move the demonstration device, improves the teaching efficiency, and alleviates the teaching burden.
Owner:GUANGZHOU CHANXIN BIOTECH CO LTD

Network interactive teaching system

The invention discloses a network interactive teaching system in which a teacher terminal machine, a student terminal machine, an educational mobile terminal and a parent query terminal are in wireless communication connection with a teaching server. The teacher terminal machine is provided with a first roll call module therein. The student terminal machine and the corresponding parent query terminal are provided with first identity tag modules therein. The first roll call module is in communication connection with the first identity tag module via the teaching server. The educational mobile terminal is provided with a second roll call module. The teacher terminal machine and the corresponding parent query terminal are provided with second identity tag modules therein. The second roll call module is in communication connection with the second identity tag module through the teaching server. The network interactive teaching system uses an interactive management mode between multiple levels, classroom interaction management between the teacher and the students, communication management between the teacher and the parents, and supervision management between a principal and the teachers, thus providing an omnibearing Internet of Things education training system.
Owner:CHANGSHA CITY HUIERLOK TECH CO LTD

Artificial-intelligence-assisted knowledge crowdsourcing question answering system

Provided by the invention is an artificial-intelligence-assisted knowledge crowdsourcing question answering system comprising the following application functions: an online question asking unit, a knowledge storage unit, and a matching unit. When a student meets a difficult question, the knowledge storage unit pushes a related answer in a database to the student automatically when the student putsa question by the online question asking unit; if the student is dissatisfied with the answer, the matching unit transmits the question asked by the student to a plurality of teachers via the internet; the related teachers answers the question based on the own specialties and the matching unit pushes the answer to the student; meanwhile, the matching unit stores the question put by the student and the answers made by the teachers into the knowledge storage unit automatically; and after any student puts a similar question at next time, the answer to the question from the knowledge storage unitis obtained timely, so that the question answering timeliness is improved and the learning efficiency of the student is enhanced. According to the invention, with the Internet artificial intelligencetechnology, the question asked by the student can be answered timey and correctly and the teaching burden of the teacher is reduced.
Owner:上海优谦智能科技有限公司

Teaching aid for demonstrating gears in six-sided mode

InactiveCN103646605ARealize integrated displayLessen the teaching burdenEducational modelsGear wheelBevel gear
The invention relates to a teaching aid for demonstrating gears in six-sided mode and belongs to the field of teaching apparatuses. The teaching aid mainly consists of a box body, six types of basic gears, a central gear train linkage mechanism and supporting legs. The box body is of a cubic structure, six types of basic gears are arranged on the box faces, a gear shaft of a driving gear extends into the center of the box body, and a bevel gear at the shaft tail end form the central linkage mechanism. The supporting legs are arranged on two surfaces of the box body and support the teaching aid during demonstration. On the premise that the visual burden is not brought to students, integrated demonstration of various gears is achieved, and meanwhile creative teaching functions of six-sided linkage, independent exploration assembly, transmission ratio demonstration and the like are achieved.
Owner:周帅

Test paper generation method and device, computer equipment and storage medium

The invention provides a test paper generation method and device, computer equipment and a storage medium. the method comprises the following steps: receiving a test paper generation instruction which carries the identification information of a test paper template, wherein the test paper template is used for describing the attribute information corresponding to each question of the test paper; acquiring historical answer information of a target student, and generating target test paper for the target student based on the test paper template and the historical answer information; and sending the target test paper to a student terminal corresponding to the target student.
Owner:北京乐学帮网络技术有限公司

Method and device for preparation before class based on smart class APPs

The invention discloses a method and a device for preparation before class based on smart class APPs. The method comprises the following steps that the smart class APPs are mounted on mobile terminalsof a teacher and a student, and the teacher opens the smart class APP, and clicks a before-class unit for entering a before-class smart scene; the teacher clicks for entering a before-class preparation module in the before-class smart scene, and makes a courseware and exercises in the before-class preparation module; the teacher clicks for entering a class lesson-preparing module in the before-class smart scene, and the teacher carries out the making and uploading of class lesson-preparing materials in the class lesson-preparing module; the teacher and the student respectively click before-class interaction modules in the before-class smart scenes of the corresponding mobile terminals, and thus the interaction from two sides or more sides is carried out; the students clicks a preparing summarizing module in the before-class smart scene of the corresponding mobile terminal for preparing for class learning and discussion, and thus knowledge points are consolidated. With the method and the device provided by the invention, the learning efficiency of the students can be improved, and the teaching burden of the teacher can be alleviated.
Owner:广州爱易学智能信息科技有限公司

Multifunctional interactive teaching display board

The invention relates to a multifunctional interactive teaching display panel. The display board includes a base. A bracket is arranged on the base. An electronic display is arranged on the bracket; it also includes a writing device. The writing device comprises a writing board and an auxiliary board which are arranged in parallel with the electronic display. The auxiliary board is arranged between the writing board and the electronic display; it also includes a supporting device. The supporting device includes two auxiliary brackets fixed on the base. The two auxiliary brackets are respectively arranged on the left side and the right side of the electronic display. The writing board and the auxiliary board are both slidably arranged in the guide groove; it also includes a driving device for driving the writing board to move up and down; the writing board is a transparent board. The auxiliary board is an opaque board. A selection connecting device is arranged between the writing boardand the auxiliary board to separate or connect the auxiliary board and the writing board. The teaching display board is with good interactivity and can reduce the teaching burden of teachers.
Owner:黄绍泰

Simulation teaching system and simulation teaching method for hotel operation management

InactiveCN109920294ACultivate management thinkingDevelop decision-making skillsCosmonautic condition simulationsData processing applicationsDecision managementDecision taking
The invention relates to a simulation teaching system for hotel operation management. The simulation teaching system comprises a teacher management module, a student management module, a basic management module and a decision engine module, wherein the teacher management module comprises teacher homepage management, teacher course management, teacher decision management, teacher result management,teacher case management and teacher reading management; the student management module comprises student homepage management, student decision management, student result inquiry, student case management and student reading management; the basic management module comprises a user management module and a forum management module; and the decision engine module performs automatic calculation through influence factors and influence effects which are preset by teachers in background, as well as decision content set by students in each experiment to simulate hotel operation conditions so as to obtainthe effects after decision implementation and display the implementation effects in data and report forms. The simulation teaching system for hotel operation management, involved in the invention, has the beneficial effects that a conventional teaching mode is changed; the teaching burdens of the teachers are reduced; theory teaching is no longer boring; and the teaching quality is improved.
Owner:NANKAI UNIV

Combined type physical exercise running machine

The invention relates to a combined type physical exercise running machine, and belongs to the technical field of physical education apparatuses. The combined type physical exercise running machine comprises an integrated bottom plate, the upper side of the integrated bottom plate is provided with a running machine base, the back side of the running machine base is provided with an inclined lifter, and the upper side of the running machine base is provided with a running belt; the lower side of the running belt is provided with a running belt retraction opening, and the upper side of the running belt is provided with a running belt output opening; the upper side of the running machine base is provided with a support frame, the inner side of the support frame is provided with an infrared detection rod, the right side of the infrared detection rod is provided with a detection head, the upper side of the support frame is provided with a line integrated box, and the upper side of the line integrated box is provided with a controller. The combined type physical exercise running machine has the advantages of being simple in structure, easy and convenient to operate and capable of helping students to take comprehensive exercises, improving the exercise efficiency, enhancing the exercise effect and lowering the teaching load of teachers.
Owner:杨元义

Teaching board for ideological and political education system

The invention discloses a teaching board for an ideological and political education system. The teaching board comprises a framework and a support, wherein the support is located at the lower part ofthe framework; the framework is in a transverse Chinese character ''ri'' shape so that the framework can be divided into a left framework region and a right framework region; the left framework regionand the right framework region are adjustably and rotationally connected to a teaching board, and sliding grooves are oppositely formed in the inner side surfaces of the framework respectively for adjustable and rotatable connection; rubber rotating wheels are oppositely arranged on the two sides of the teaching board respectively, and the rubber rotating wheels are arranged in the sliding grooves and one ends of the rubber rotating wheels are connected to the teaching board; each rubber rotating wheel comprises a wheel framework and a rubber rolling wheel, wherein the front surface of the wheel framework is round, the side surface of the wheel framework is in a corrugated shape, and the rubber rolling wheel is in a spherical shape; and U-shaped baffles are arranged at the positions, corresponding to the rubber rotating wheels, of the outer side walls of the frameworks, and universal wheels are correspondingly arranged at four corners of the support. According to the teaching board, the certain-angle rotating and height adjustment of the teaching board is realized, and the applicability of the teaching board is improved.
Owner:NANYANG INST OF TECH

Voice teaching-aiding sound amplification system with wake-up and refreshing functions and method thereof

InactiveCN113660566AImplement using compositionVoice amplificationNon-electrical signal transmission systemsLoudspeaker casing supportsMaster stationEngineering
The invention discloses a voice teaching-aided sound amplification system with wake-up and refreshing functions and a method thereof. The system comprises the following systems: a wireless transmitter, wherein the wireless transmitter is provided with a wake-up / refreshing function key; a ceiling wireless receiving / sound amplifying master station which comprises an infrared wireless receiving module; and a ceiling sound amplification auxiliary station C. The voice teaching assistance sound amplification system comprises the following steps: 1, wearing a wireless transmitter A on the neck of a teacher; 2, hoisting a signal receiving and ceiling wireless sound amplification (master station) B at the top of the classroom; 3, hoisting a signal receiving and ceiling sound amplification (auxiliary station) C at the top of the classroom; 4, using composition modes of the system are divided into A + B combination or A + B + C combination. The system solves the problems that an existing teaching sound amplification system is complex in composition, small in sound transmission range, tedious in wiring, low in stability and inconvenient to wake up trapped students quickly.
Owner:尚志国

Intelligent schoolteaching and answering device and operation method thereof

The invention provides an intelligent schoolteaching and answering device. The device comprises a camera, a touch-screen micro-computer controller below the camera, and a speaker built in the touch-screen controller. The intelligent teaching and answering device is used for answering questions according to the following steps: selecting a problem to be questioned in a common problem information list through the touch-screen micro-computer controller, and clicking the OK key if the problem is found; and calling an answer database to search the correct answer by the the touch-screen micro-computer controller, and driving the speaker in the touch-screen micro-computer controller to play the answer; otherwise, clicking a recording key, and driving the camera to record the new problem by aiming at a student by the touch-screen micro-computer controller, and clicking the storage key by the student after the recording finishes. The intelligent teaching and answering device is simple, convenient and intelligent, and can immediately answer questions of students and save the spare time of teachers, thereby relieving the teaching burdens of teachers.
Owner:SHANGHAI JINYUAN SENIOR HIGH SCHOOL

Driving school simulation teaching method, device and system and storage medium

The embodiment of the invention discloses a driving school simulation teaching method, device and system and a storage medium. The method comprises the steps: controlling a virtual vehicle to arrive at a preset parking point, and controlling the virtual vehicle controlled to be parked; displaying an operation instruction, a point position mark and action demonstration on a display interface according to a preset driving operation process; and obtaining the driving operation of the trainee, if the driving operation of the trainee is matched with the operation instruction of the corresponding step, continuing to demonstrate the operation instruction of the next step, and judging whether the subsequent driving operation of the trainee is matched with the operation instruction of the next step or not until all the operation instructions are demonstrated. In a driving school simulation teaching system, a virtual vehicle is controlled to stop, point position teaching is carried out on students through operation instructions, point position marking and action demonstration, point position knowledge learned by the students through videos is rapidly converted, and understanding and memory of the students on point positions are deepened. The parking point is simpler and easier to understand, so that students can learn more simply, and the driving learning efficiency is improved.
Owner:山东万正网络科技有限公司

Ligament training device used for classical dance teaching

The invention discloses a ligament training device used for classical dance teaching. The device includes a support plate, leg ligament stretching mechanisms and a back bending training mechanism; thetwo sides of the support plate are provided with the leg ligament stretching mechanisms same in structure, and the center of the support is provided with the back bending training mechanism. Each legligament stretching mechanism includes a first telescopic support column and a leg pressing transverse rod, the upper end of each first telescopic support column is fixedly connected with the centerof the bottom of the corresponding leg pressing transverse rod, the back bending training mechanism includes a second telescopic support column and an arc back bending plate, the top of the second telescopic support column is connected with a horizontal fixation plate, the two curved ends of the arc back bending plate are clamped at the two ends of the fixation plate and connected with the fixation plate, the two sides of the back bending training mechanism are provided with inverted U-shaped brackets, the tops of the inverted U-shaped brackets are connected with several cloth belts, the otherend of each cloth belt is connected with a pull ring, and the front side of the back bending training mechanism is provided with a double feet fixation mechanism. The device can be used for people toexercise the flexibility of the legs and the waists, and training can be achieved without the protection of teachers or others.
Owner:NANYANG INST OF TECH

Cloud resource management system for big data experiment practical training

The invention discloses a cloud resource management system for big data experiment training. The cloud resource management system includes a login unit, the login unit is connected with the practicaltraining course creation module and the new experiment module in sequence. The practical training course creation module and the new experiment module are connected with the data platform in sequence.The data platform is used for collecting and storing practical training data and transmitting the collected and stored information to the practical training course creation module and the new experiment module; the practical training course creation module is in signal connection with the practical training course management module and the management project group module in sequence, and the practical training course management module is composed of a practical training outline module, a practical training guidance module, a practical training review module, a data sharing module, a course announcement module and a score management module. The problems that in the actual network teaching management process, the data volume for supporting lesson preparation, teaching, homework, experimentsand the like is large, management is not easy, blindness exists, the process is complex, and the cost is high are solved.
Owner:青软创新科技集团股份有限公司

Dimension marking demonstrating device

The invention discloses a dimension marking demonstrating device, which comprises a casing, wherein a support plate is fixedly connected onto each of the left and right ends of the bottom of the casing through a support leg; a magnetic plate is embedded in the middle end of the bottom of each support pate; the bottom of each support plate is fixedly connected with a rubber plate; a center processing unit, an image collecting module, a marking judging module and a marking point picking module are sequentially and fixedly connected onto the left end of an inner cavity of the casing from top to bottom; a camera installing plate is fixedly connected onto the middle end of the top of the casing. Through the effects of a first sliding device, a second sliding device, a first electric telescopicrod, a first inclination angle sensor, a first radar distance measuring laser, a motor, a third sliding device, a second electric telescopic rod, a second inclination angle sensor and a second radar distance measuring laser, the marking requirements of people on the graph horizontal direction and vertical direction, the circular arc, the circular center, the diameter and the radius can be met; theteaching burden of teachers is reduced; meanwhile, the study interest of students is also improved.
Owner:陈尚松

A network interactive teaching system

The invention discloses a network interactive teaching system in which a teacher terminal machine, a student terminal machine, an educational mobile terminal and a parent query terminal are in wireless communication connection with a teaching server. The teacher terminal machine is provided with a first roll call module therein. The student terminal machine and the corresponding parent query terminal are provided with first identity tag modules therein. The first roll call module is in communication connection with the first identity tag module via the teaching server. The educational mobile terminal is provided with a second roll call module. The teacher terminal machine and the corresponding parent query terminal are provided with second identity tag modules therein. The second roll call module is in communication connection with the second identity tag module through the teaching server. The network interactive teaching system uses an interactive management mode between multiple levels, classroom interaction management between the teacher and the students, communication management between the teacher and the parents, and supervision management between a principal and the teachers, thus providing an omnibearing Internet of Things education training system.
Owner:CHANGSHA CITY HUIERLOK TECH CO LTD

Braille alphabet copybook

The invention discloses a braille alphabet copybook which comprises a fixed plate. The top of the fixed plate is fixedly connected with a copybook body, the top of the copybook body is fixedly connected with braille alphabet character codes, and grooves are formed in the positions, close to the four corners, of the bottom of the fixed plate. The positions, close to the left side and the right side, of the top of each groove are fixedly connected with sliding rods, sliding grooves are formed in the opposite sides of every two sliding rods, and sliding blocks are arranged at the positions, closeto the middles, of the opposite sides of every two sliding rods. The opposite sides of every two sliding blocks extend into the two corresponding sliding grooves and are in contact with the inner walls of the sliding grooves. The opposite sides of every two sliding blocks are fixedly connected with movable gear racks. According to the braille alphabet copybook, by means of cooperative use of themovable gear racks, connecting rods, suction cups, rotary rods, gears, supporting rods, movable sleeves and push blocks, the braille alphabet copybook has a good fixing effect, and therefore when a blind person touch the copybook with the hand, the copybook cannot be driven to slide, the teaching burden of a guide teacher is relieved, and the use needs of users can be met.
Owner:ZHEJIANG SHUNFU PRINTING

Stirring device for chemical experiments

The invention discloses a stirring device for chemical experiments. The device comprises a device base, a polished rod sleeve, a polished rod, a driving motor, a fixing seat, a stirring mechanism anda test tube storage mechanism, a polished rod fixing seat is welded to one side of the top surface of the device base, the polished rod is inserted and fixed into the polish rod fixing seat, the surface of the upper part of the polished rod is sleeved with the polished rod sleeve, the device fixing seat is arranged on the surface of the polished rod sleeve, a connecting piece is welded to one sideof the surface of the device fixing seat, the fixing seat is connected with the connecting piece through a screw, the upper part of the surface of the fixing seat is provided with the driving motor,and the driving motor is fixed on the top of the fixing seat through screws. The driving motor drives a rotating shaft to rotate so as to drive the stirring mechanism to stir a mixed solvent in a testtube, so manual reagent stirring by the teacher is replaced, thereby the teaching burden of the teacher is reduced.
Owner:江苏华邑市政工程有限公司

Multimedia teaching equipment for online education

PendingCN114141071ALessen the teaching burdenAddressing the burden, also affecting the quality of teachingWriting boardsFurniture partsComputer engineeringMultimedia
A multimedia teaching device for online education disclosed by the present invention comprises a device main body, the device main body comprises a display screen, a connecting seat, a storage box and a folding blackboard device, the folding blackboard device is installed on the back of the display screen, and the folding blackboard device comprises a blackboard, a fixing block, a rotating shaft and a rotating block. One side of the fixing block is fixedly connected to the back of the display screen, three sets of rotating blocks are evenly distributed on one side of the outer wall of the fixing block, a rotating shaft is connected between the three sets of rotating blocks and the fixing block in a penetrating mode, and one sides of the three sets of rotating blocks are connected with one side of a blackboard through bolts, so that using convenience is greatly improved; the teaching quality is improved, the teaching burden of a teacher is reduced, meanwhile, through arrangement of the storage box, the overall storage performance of the device body is improved, and teaching aids can be stored conveniently.
Owner:SHANDONG POLYTECHNIC COLLEGE
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