36results about How to "Guaranteed teaching effect" patented technology

The invention belongs to the technical field of teaching equipment, and relates to a human-computer interaction method based on a classroom auxiliary teaching intelligent system. The human-computer interaction method comprises the following steps: 1) establishing an information database for teacher face images, teacher gesture recognition and teacher motion tracking; 2) performing image acquisition on the teacher's face to obtain a teacher's face image; 3) checking and analyzing the teacher face image acquired in the step 2) and the teacher face image in the database in the step 1) to determine the teacher identity; if the checking is successful, executing the step 4); if the check fails, performing exiting; 4) after the identity is successfully checked, performing a classroom teaching process through man-machine interaction, and projecting and displaying man-machine interaction information, wherein the man-machine interaction comprises teacher gesture recognition man-machine interaction and teacher motion tracking man-machine interaction. The multimedia courseware is controlled through gestures or limb actions, the method is convenient to use and capable of remarkably improving the classroom interaction effect.

The invention relates to a classroom system with a group cooperative learning function. The classroom system realizes that group members carry out display and editing on personal resources in a member area through setting the member area at a personal terminal or a group terminal and setting a public area at the group terminal, and the finally determined resources are submitted to the public area so as to be discussed and used by a plurality of group members. A new classroom with a group discussion function is established by the aid of the personal terminal and the group terminal or only the group terminal to assist cooperative learning within the group, thereby realizing cooperative learning within the group, being conducive to improving enthusiasm and motivation of group members to take part in learning and discussion, and finally improving the effect of group cooperative learning.

The invention discloses an online education platform constructing virtual startup of business and the method of implementing the same. The education platform uses an O2O mixed education mode for teaching and comprises a main control module, a course outline compiling module, a micro-course recording module, a micro-course processing module, a micro-course saving module, a micro-course uploading module, a micro-course classifying module, an online self-taught module, an offline interactive learning module and a result analyzing module. The online self-taught module comprises a credit adding module unit, a step-passing mode unit and a socially interactive learning unit. The result analyzing module comprises a scoring unit, a questionnaire unit and a data analyzing unit connected in sequence. The online education platform constructing virtual startup of business proposed by the invention uses an O2O mixed education mode for teaching and creates an innovative startup education supporting platform and a startup hatching service platform, which develops the initiatives for learning of the students so that the students could learn for better effect and that the teaching quality is ensured. Therefore, the platform and the method are worth promoting widely.

The invention discloses a logistics virtual reality teaching system in a VR enviroment. The logistics virtual reality teaching system comprises the components of a data module which is used for integral data and operation data of port logistics equipment; a control module which is used for transmitting an operation instruction; VR glasses which are used for viewing VR images; a short-distance wireless transmission module which is used for connecting the control module with the VR glasses; and a wireless network module which is used for connecting the control module with a network. The logistics virtual reality teaching system can truly display the logistics condition of the port to the student. The student can directly perform use and placement of equipment or containers in virtual displaying according to a teaching requirement, thereby exercising various skills in port logistics, realizing true training, making the student perform accurate studying himself, ensuring high teaching effect through authenticity and interactivity of the VR environment and improving teaching and training effects.

The invention provides a teaching animation demonstration method which comprises the steps of configuring one or a plurality of visual effects of a dynamic sensing signal; receiving the dynamic sensing signal of experiment equipment, responding and determining a fact that the dynamic sensing signal satisfies a triggered visual effect, and displaying the visual effect on a display interface. According to the teaching animation demonstration system and the teaching animation demonstration method, experiment modules are used for performing simulation and analog verification experiment in experiment studying, and the experiment modules are connected with the teaching animation demonstration system, so that the teaching animation demonstration system can acquire the dynamic sensing signal of each experiment equipment. The teaching animation demonstration system responds and determines a fact that the dynamic sensing signal satisfies the triggered visual effect. Furthermore the teaching animation demonstration system displays the visual effect on the display interface. Through scene simulation visual experiment demonstration, the experiment effect can be visually understood, and furthermore an experiment target is understood through the experiment effect, thereby greatly improving teaching efficiency and ensuring high teaching effect.

The invention relates to a multimedia platform. The multimedia platform comprises a pedestal and a base platform, wherein the base platform is welded to the upper part of the base, a front cabinet door is connected to one side wall of the pedestal through a hinge, a rear cabinet door is connected to the base platform relative to the side wall on which the front cabinet door is mounted, a moisture-proof base plate is fastened and connected to the lower part of the base through screws, a solid wood panel is fastened and connected to the top of the base platform through screws, solid wood handrails are fastened and connected to two sides of the solid wood panel through screws, and a turnover display screen is arranged at the top of the solid wood panel. Teaching tools are adequately integrated into the platform by virtue of multi-level design, and different types of articles with different functions can be partitioned and processed by virtue of a separation design, so that the teaching efficiency is remarkably improved, the teaching effect is guaranteed, and meanwhile, the practicability of equipment is improved; and besides, the equipment is high in integral strength, long in servicelife and relatively good in economy.

The invention discloses a high school biological microscope. The high school biological microscope comprises a base; a microscope column is welded on the middle part of the upper surface of the base;the microscope column is hinged with the lower end of a microscope arm; the left side surface of the lower end of the microscope arm is provided with an object stage; the left side surface of the microscope arm at the lower side of the object stage is provided with a reflector; and the upper end of the microscope arm is provided with a tube. According to the high school biological microscope disclosed in the invention, the side surface of the tube is provided with a camera, the camera and a display screen are matched for displaying a biological microscopic image, the magnification times are increased, the display is more clear, after a teacher uses an eyepiece for observation and demonstration, students make consultation through the biological microscopic image presented on the display screen, the students do not need to use the eyepiece one by one, the efficiency is improved, the progress of the classroom is quickened, the teaching effects are ensured, the eyepiece and the camera areswitched for use through a reflector panel, the adjustment is convenient, use in multiple teaching situations is facilitated, accurate interaction between the teacher and the student is ensured, and the teaching quality is improved.

The invention discloses a vehicle MR (Mixed Reality) simulation driving training method and training device. The method comprises steps of enabling a trainee to wear a VR helmet and sit in front of adriver control console, carrying out the photographing of the driver control console and the trainee through a camera, transmitting an image obtained by the camera to the VR helmet worn by the trainee, and displaying a mixed image of the combination of a real object and a virtual scene in the VR helmet; the training personnel completing vehicle MR simulation driving training by operating the driver console according to the scene displayed in the VR helmet. According to the method, the MR simulation driving practical training system combining the real scene and the virtual scene is adopted to carry out practical training of vehicle simulation driving, and experience and learning similar to those of practical training based on the real driving scene can be obtained; on the premise of ensuring the practical training and teaching effects, the MR simulation driving system greatly reduces practical training cost.

The invention discloses a mechanical multi-transmission splicable demonstration device, which includes a demonstration platform. The left and right sides of the front bottom of the demonstration platform are respectively provided with a second pedestal and a fifth pedestal. Connected, the auxiliary gear is meshed with the main gear, and the left toothed disc is connected with the right toothed disc through a chain. This mechanical multi-transmission splicable demonstration device demonstrates belt transmission demonstration through the combination of chain, main gear and belt, through the combined transmission of left pulley, belt and right pulley, and demonstrates gear meshing through the combined transmission of main gear and auxiliary gear. Transmission demonstration, through the combined transmission of the left toothed plate, chain and right toothed plate to demonstrate toothed chain transmission demonstration, occupying a small classroom area, easy for teachers to operate, students can watch directly, and different transmission groups can be very conveniently docked , ensuring the teaching effect, improving the demonstration effect, and its actual use effect is very ideal.

The present invention provides a multimedia teaching system for a theory and practice integrated teaching mode, belonging to the auxiliary teaching equipment. The objective of the invention is to solve the problem that a current multimedia teaching system is insufficient to support many functions required by the practice teaching to adapt the requirement of the theory and practice integrated teaching mode. The system takes a large-screen DLP integrated machine as a center device and integrates large-screen display, computer, television, electronic whiteboard, power amplifier sound and a middle control device into one body. The IP digital cameras, a wireless IP camera, an IP router and a control computer form a digital camera intaking subsystem for displaying physical models, practical operation and the like. The system takes the screen output video of the large-screen DLP integration machine as a main frame of teaching with two gun-type simulation cameras and a wireless microphone to intake the teacher's and students' teaching scene, and takes a hard disk video as a logging device to record three-split screen streaming media files of the whole teaching process in real time.

The invention discloses a spiral teaching system comprising a course dividing module 1, a class period setting module 2, an effect evaluating module 3, a course back-feeding module 4 and a level progressing module 5. The course dividing module 1 is used for dividing courses into different grades according to the difficulty of the courses; the class period setting module 2 is used for setting different class periods according to the courses of different grades; the effect evaluating module 3 is used for evaluating the teaching effect; the course back-feeding module 4 is used for determining if it is necessary to increase the class period for repeated learning according to the teaching effect evaluating result; and the level progressing module 5 is used for determining the access into the level progressing module and the learning in the next stage according to the teaching effect evaluating result. The spiral teaching system can divide the courses into different grades according to the need, set simply the teaching practice needed by the courses in any stage and the effect to be achieved and adjust the teaching time at any time according to the testing situation so as to ensure the teaching effect. In addition, the spiral teaching system can ensure that the teaching in each stage can be carried out repeatedly to strength the memory of the students.

The invention provides a wall-mounted type integrated multimedia teaching device which comprises a projection screen, a device box, a roll screen device, a gravity arm, an interface plate and a central controller, wherein the projection screen is arranged as a rectangular flexible screen; the device box is arranged at the upper part of the projection screen; the roll screen device used for rolling or putting down the projection screen is arranged in the device box; the gravity arm for ensuring the flatness of the projection screen is arranged at the lower part of the projection screen; the interface plate is arranged at the middle part of the gravity arm; the interface plate is connected with the central controller located in the device box through a connecting wire; and the connecting wire is located on the two sides of the projection screen and is wrapped with cloths. The wall-mounted type integrated multimedia teaching device is simple in structure, convenient in use and integrated with various functions of projection, microphone, sound amplification equipment, and the like; the teaching space is saved; the horizontal rail and the rolling device are arranged, the position of the device can be adjusted, and the normal use of a black board can be ensured; and various requirements required by teaching are met, the investment is saved, and the teaching effect is ensured.

The invention relates to the technical field of short-focus lenses, in particular to a short-focus lens for a projector, which comprises a projector body, a controller is arranged on the outer surface of one side of the projector body close to the left edge, and a lens piece is fixedly mounted on the outer surface of one end of the projector body close to the middle. A lens is fixedly installed on the outer surface of the right end of the lens piece close to the middle position, and an auxiliary mechanism is arranged on the side, close to the lens, of the outer surface of the right end of the lens piece. According to the invention, through the arrangement of the auxiliary mechanism, fog on the lens can be simply and quickly removed when needing to be treated, so that the problem that the fog is frequently generated on the lens of the projector body and the definition of the projector body during projection is influenced due to large temperature difference between inside and outside in winter is avoided; the watching experience of people and the teaching effect are ensured, and the overall practicability is improved.

The invention relates to the technical field of remote education, and discloses an internet-based remote education system and a using method thereof, wherein the internet-based remote education system comprises a mounting plate and a display panel, a fixing plate is fixedly mounted at the bottom of the mounting plate, and a box is slidably connected to the outer side of the fixing plate in a sleeving manner; and one connecting shaft is rotationally installed on the inner walls of the front side and the rear side of the box body, a worm wheel and a first gear are fixedly installed on the connecting shaft, and a mounting groove is formed in one side of the fixing plate. The internet-based remote education system is reasonable in design; the height and angle of the remote education display panel are adjusted and fixed, so that different installation positions and use requirements are met, and the teaching effect is guaranteed; the height and angle of the display panel are adjusted through one motor, so that switching between the two parts is facilitated, collision between gears in the transmission mechanism switching process is avoided, resources are saved, and use is facilitated.

The invention relates to a cable accessory teaching device comprising a teaching cabinet body and a cable fixed base. The teaching cabinet body is detachably installed at the cable fixed base. A plurality of mounting heads cooperating with a shielding type separable connector are arranged in the teaching cabinet body. The height of the cable fixed base can be adjusted. A cable loop is arranged atthe cable fixed base and is connected with the cable fixed base detachably. When shielding type separable connector installation teaching needs to be carried out, the teaching cabinet body is installed at the cable fixed base and the plurality of mounting heads cooperating with the shielding type separable connector are arranged in the teaching cabinet body, so that the actual situation of the cable chamber is reproduced well and the teaching quality is improved. When cable splitting or cable terminal manufacturing teaching needs to be carried out, the teaching cabinet body is dismounted fromthe cable fixed base and the cable is fixed at the cable fixed base by the cable loop, so that the device is used conveniently. Besides, different field environments are simulated by using the cable fixed base with the adjustable height, so that the practical training effect is improved.

The invention relates to the technical field of cloud education and discloses a many-to-many audio and video interactive remote live broadcast and recorded broadcast teaching and training cloud systemwhich comprises a teaching system, a live broadcast on-demand system, a teaching statistics system, a financial system, an enrollment system, an equipment management system and a management system, and the output end of the teaching system is connected with the input end of the live broadcast on-demand system. The invention discloses the many-to-many audio and video interactive remote live broadcast and recorded broadcast teaching and training cloud system, application software or an application webpage is developed through the integration of a school based on an RTMP live broadcast protocoland a WebRTC instant messaging protocol; the teaching modes are more diversified; by setting a one-to-one teaching classroom, a teacher can teach students in a more targeted manner; the teacher can know the acceptance degree of the students to the teaching content according to the real-time response of the students so as to change the teaching mode or adjust the teaching content, so that the students can be better subjected to targeted teaching, the students can better accept the teaching content, and the teaching effect is ensured.

The invention discloses a novel multimedia intelligent teaching device which comprises a box body, a box door, a table, a control bar, a display screen, a projector and an adjusting device. A motor in a driving box is started through a remote controller so as to drive a screw to rotate clockwise, and a sliding block is in threaded connection with the screw, so that the sliding block slides horizontally when the screw rotates; the sliding block pushes a lifting rod to drive a balance plate to rotate when the sliding blocks is in sliding, the display screen is fixed on the surface of the balance plate, so that when the balance plate rotates, the rear side of the display screen takes the front sides of the left end and the right end of the display screen as rotating points to adjust the upward rotating angle, and the problems that the angle of the display screen is single and the display screen cannot rotate when the existing teaching equipment is used by a teacher, in the teaching process, the teacher needs to move continuously in a classroom to ensure the teaching effect, and due to the fact that the angle of a display screen is inconvenient to adjust, the action of the teacher is limited due to the single angle of the display screen in the using process are solved.

The invention discloses a safe electronic commerce teaching system in the field of commerce teaching system display, and the system comprises a curtain system and a projection system; the projection system comprises a lifting assembly, a transverse moving assembly and a projector; the curtain system comprises a driving assembly, a curtain rolling shaft, a curtain moving shaft and a curtain; the lifting assembly controls the lifting of the projector; the transverse moving assembly controls the projector to move; the curtain rolling shaft controls the curtain to be unwound or wound; and the curtain moving shaft controls the curtain to move. Through the structure, the problems that the curtain and the projector cannot be installed at the optimal position when a traditional curtain and projector are installed, so that the use effect of the curtain and the projector cannot be optimal after installation, the screen after screen projection is very fuzzy, light reflection is caused when students at some positions watch the curtain, and the teaching effect is affected are solved.

The invention relates to a balance algorithm for dragging a teaching robot. The balance algorithm comprises three parts, namely static balance, dynamic balance and error control, wherein a static balance algorithm can be used for computing static pressure compensation values set_bal_ax2 of a second robot axis in different poses and static pressure compensation values set_bal_ax3 of a third robot axis in different poses; a dynamic balance algorithm is divided into a second axis algorithm and a third axis algorithm for the teaching robot; a closed-loop control system composed of signal input, a proportionality coefficient K(.), a solenoid valve and signal output is adopted in error control, and by adjusting the values of parameter gain K and the proportionality coefficient K(.), the speed continuity of robot dragging is met and meanwhile the trajectory accuracy of the robot is guaranteed. According to the balance algorithm provided by the invention, space is divided into different quadrants, and compensation values are computed by algorithms of the different quadrants to guide the support strength of air cylinders for the second axis and the third axis, so that the difficulty in manually moving a mechanical arm during a teaching process is reduced, the improvement of teaching accuracy is facilitated, and the teaching effect is guaranteed.

The invention relates to the technical field of teaching appliances, in particular to a display device and a display method for radio and television editing and guiding training teaching. The invention provides a display device. The display device comprises a wall body, a writing board installed on the wall body and a connecting cover arranged on one side of the front end of the writing board in a covering mode. The display method provided by the invention comprises the following steps: placing a sample in a connecting rope, and rotating a nut upwards until the sample is tightened by the connecting rope; a supporting plate is rotated to adjust the sample to a required display angle, and then a handle is rotated to adjust the height of a movable block; the connecting cover is pushed to enable the brush to clean chalk traces on the surface of the writing board; and the negative-pressure dust remover is started, and the dust suction pipe sucks air in the connecting cover into the negative-pressure dust remover. According to the invention, the display comprehensiveness of the sample is ensured, the display effect of the sample is improved, and the teaching effect of teaching personnel on the sample is ensured; meanwhile, dust is prevented from polluting the environment, and the use safety of users is guaranteed.

The invention relates to a balance algorithm for dragging a teaching robot. The balance algorithm comprises three parts, namely static balance, dynamic balance and error control, wherein a static balance algorithm can be used for computing static pressure compensation values set_bal_ax2 of a second robot axis in different poses and static pressure compensation values set_bal_ax3 of a third robot axis in different poses; a dynamic balance algorithm is divided into a second axis algorithm and a third axis algorithm for the teaching robot; a closed-loop control system composed of signal input, a proportionality coefficient K(.), a solenoid valve and signal output is adopted in error control, and by adjusting the values of parameter gain K and the proportionality coefficient K(.), the speed continuity of robot dragging is met and meanwhile the trajectory accuracy of the robot is guaranteed. According to the balance algorithm provided by the invention, space is divided into different quadrants, and compensation values are computed by algorithms of the different quadrants to guide the support strength of air cylinders for the second axis and the third axis, so that the difficulty in manually moving a mechanical arm during a teaching process is reduced, the improvement of teaching accuracy is facilitated, and the teaching effect is guaranteed.

The present invention discloses a method and an apparatus for controlling minimization of a window. The method for controlling minimization of a window comprises: according to obtained window minimization decision information, determining whether window minimization permission of a current login user is preset permission; and if the window minimization permission of the current login user is the preset permission, displaying a minimize button in a minimize-button displaying manner corresponding the preset permission. According to the method and apparatus provided by the present invention, window minimization permission setting for multiple cases can be performed by using only one set of window software. For different cases, different window minimization permission is set, so as to achieve a good effect of helping teaching in an interactive teaching system.

The invention relates to an interactive teaching method and system based on question driving, electronic equipment and a storage medium, and the method comprises the steps: S1, obtaining initial teaching content and a teaching time table to generate a teaching plan table corresponding to the initial teaching content, and generating a first data list corresponding to the initial teaching content; S2, sending the initial teaching content and a first data list corresponding to the initial teaching content to at least one client according to the teaching schedule so as to display the initial teaching content, and obtaining first response information corresponding to the first data list; S3, updating the initial teaching content according to the first response information to obtain target teaching content and generate a second data list, and sending the target teaching content and the second data list to the client according to the teaching time table to display the target teaching content; and S4, obtaining second response information corresponding to the second data list through the client, and generating teaching process evaluation corresponding to the client according to the second response information. The teaching efficiency can be improved, and the teaching effect can be ensured.

The invention discloses a video interaction method, which enables recorded and broadcast teaching videos to have interactivity similar to live teaching and meets the requirements of online teaching. According to the invention, the logic decision tree is established for the compiled long video, the interaction state made by the user is identified and classified through the logic decision tree, and the corresponding interaction video clip is fed back to the user, so that the interaction with the user is realized, the sense of participation of the user is enhanced, the interaction sense of live teaching is created for the recorded and broadcast teaching video, the situation that the user cannot participate in online teaching in time due to various reasons is avoided, the teaching effect is ensured, and the learning enthusiasm of the user is improved.

The embodiment of the present application discloses a content synchronization method and device based on emotion computing. The method includes: during the multicast video playback process, each multicast client detects whether there is a packet loss phenomenon; when any first multicast When the client detects that there is a packet loss phenomenon, the first multicast client sends an automatic retransmission request, and receives the retransmission of one or more layers of multicast routers in the multicast video data transmission path according to the preset cooperative cache. The retransmission data packet sent by the policy; on the first multicast client, the playback progress of the multicast video corresponding to the retransmitted data packet is adjusted according to the preset attribute of the video content corresponding to the retransmitted data packet; The attributes are assumed to include: difficulty and / or importance of acquisition based on sentiment calculation. Through the solution of this embodiment, it is ensured that no video content is lost, the effect of multicast live teaching is ensured, and the network load caused by packet loss and retransmission is reduced.

The invention relates to the field of physics teaching and in particular relates to a showing stand for physics teaching. The showing stand comprises a display, loudspeakers, fixed rods, rotating rods, a first rotating shaft, a second rotating shaft, vertical rods, inner connecting rods, an illuminating lamp and fixing clamps, wherein the display is embedded in a wall; totally two loudspeakers are respectively embedded in two sides of the display; the two fixed rods are respectively arranged at the upper and lower positions on the left side of the display; the rotating rods and the fixed rods are rotationally connected with one another through the second rotating shaft; one rotating rod is arranged below the other rotating rod; middle positions of the two rotating rods are connected through the first rotating shaft; the two ends of the rotating rods are connected through the vertical rods; the inner connecting rods are arranged in parallel in the vertical rods; and the fixing clamps are respectively arranged below the inner connecting rods and below the top rotating rod. The showing stand disclosed by the invention is easy to mount and detach and can be telescopically folded on the wall surface due to an adjusting function, the occupied space is saved, and the operation is convenient. The illuminating lamp can be used for teaching illumination in a dimly lighted space, and the showing stand has excellent practicality.

The invention relates to the technical field of classroom teaching, in particular to a teaching blackboard based on a smart classroom, comprising a support plate, a support mechanism, an operating mechanism, a cleaning mechanism, an auxiliary mechanism, a display mechanism and an adjusting mechanism; the cleaning mechanism is arranged in the supporting plate, so that dust and dirt generated in the blackboard writing process can be conveniently collected and treated in actual use; the auxiliary mechanism is arranged in the cleaning mechanism, and dust and dirt generated in the blackboard writing process are further conveniently cleaned under the driving of the cleaning mechanism; the display mechanism is arranged on one side of the interior of the supporting plate, so that the intelligent display equipment can be fixedly arranged in the supporting plate conveniently, and the intelligent display equipment can be used in cooperation with a teaching blackboard; the adjusting mechanism is arranged in one side of the supporting plate, through the corresponding gear and toothed plate transmission assembly and the shading assembly, the irradiation range of lamplight can be conveniently adjusted at any time according to needs during actual operation, and light reflection to students is avoided.

The invention discloses a training instrument box, and belongs to the field of automatic instrument practical teaching. The training instrument box is characterized by comprising an upper panel, a lower panel, a box body and a backboard, wherein the backboard is fixed with the box body through screws; a handle and an instrument are arranged on the upper panel; the four corners of the upper panel are fixedly arranged on the box body through bolts fixed on the box body and screw caps; the lower panel is provided with wiring terminal blocks which are arranged in a way completely the same as a way for the arrangement of terminals on the back surface of the instrument, a groove for placing training data, a power switch for controlling power and a handle; the upper side of the lower panel is fixedly arranged on the box body through bolts fixed on the box body and screw caps, and the lower side of the lower panel is connected with the box body through hinges. The training instrument box is reasonable in structure; during line inspection and wiring, the instrument is prevented from being moved, and is difficult to damage, and the training instrument can be conveniently and rapidly operated.

The present invention relates to a problem-driven interactive teaching method, system, electronic device and storage medium, comprising: S1, obtaining initial teaching content and a teaching schedule to generate a teaching schedule corresponding to the initial teaching content, and generating a teaching plan corresponding to the initial teaching content The corresponding first data list; S2, send the initial teaching content and its corresponding first data list to at least one client according to the teaching schedule to display the initial teaching content, and obtain the first response information corresponding to the first data list; S3, update the initial teaching content according to the first response information to obtain the target teaching content and generate the second data list, and send the target teaching content and the second data list to the client according to the teaching schedule to display the target teaching content; S4, through the client The terminal acquires second response information corresponding to the second data list, and generates a teaching process evaluation corresponding to the client according to the second response message. The implementation of the present invention can improve the teaching efficiency and ensure the teaching effect.

A teaching aid for demonstrating working principles of a diaphragm pump comprises a pedestal and an LED screen and a transparent demonstration board fixed on the pedestal vertically. The transparent demonstration board is provided with a half-sectional dynamic demonstration part, a valve block demonstration part and a diaphragm demonstration part; the dynamic demonstration part comprises a liquidinput tube, a liquid output tube, a valve block chamber and a diaphragm chamber, and the valve block chamber is communicated with the liquid input tube, the liquid output tube and the diaphragm chamber; a diaphragm is movably installed in the diaphragm chamber, and the bottom of the diaphragm is provided with a power unit; and the LED screen projects a demonstration light source to the liquid input tube, the liquid output tube, the valve block chamber, the valve block demonstration part, the diaphragm demonstration part and the diaphragm chamber in the upper portion of the diaphragm. The teaching aid can visualize operation in the diaphragm pump, and demonstrate liquid flow direction, valve block motion, diaphragm motion and power unit motion in the diaphragm pump dynamically, and is simple in structure, convenient to operation, low in cost and especially suitable for demonstrative teaching of hydraulic and pneumatic classes in colleges.