246results about How to "Exercise practical ability" patented technology

The invention belongs to the field of programming teaching in middle and primary schools, and relates to artificial intelligence and maker teaching, in particular to a Blockly and Raspberry Pi-based online graphical programming system and a usage method thereof. The invention discloses a Blockly and Raspberry Pi-based online graphical programming system and a usage method thereof. The system comprises a Raspberry Pi development board, an external electronic device, a display device, a power supply module, a cloud server, a Blockly-based online graphical programming platform and a client program installed on the Raspberry Pi. According to the method, the traditional programming can be simplified into a graphic block splicing process, an extra PC is not needed, only one Raspberry Pi development board, necessary input and output equipment and an external electronic equipment unit are needed, and the programming threshold and cost are greatly reduced.

The invention relates to an electromagnetic law exploration experimental apparatus and an experimental method thereof and belongs to the electromagnetic variable measurement technical field. The electromagnetic law exploration experimental apparatus comprises a bottom plate and a vertical plate; the rear part of the bottom plate is connected with the dismountable vertical plate; the bottom plate is provided with a power source adapter, a linear Hall element, a transformer, a potentiometer Two and a current meter; 220V alternating current is inputted to the input end of the power source adapter; alternating current and direct current are outputted front the output end of the power source adapter; a millivoltmeter is connected in parallel with two opposite sides of the linear Hall element; the transformer includes a coil One, a coil Two and a coil Three; and the vertical plate is connected with two sets of circuits which are respectively are an electrification self-induction circuit and a de-electrification self-induction circuit. The electromagnetic law exploration experimental apparatus has the advantages of a large number of functions, wide use range, excellent experimental effects and low cost.

The invention discloses a programming method of staged electronic building blocks, comprising the steps of (1) manufacturing electronic building block modules having different basic functions and a basic circuit; electrically connecting the electronic building block modules and two preset electric connections of the basic circuit; (2) manufacturing branch modules having a built-in branch circuit and a different circuit adjusting function; (3) cascading the electronic building block modules to form the building block combination, and mutually connecting the electric connections of the electronic building block modules so as to form a building block combination basic function circuit; (4) selecting the branch modules and the multiple electronic building block modules to carry out cascading,forming an electronic building block combination circuit having adjusting branches; (5) connecting the cascaded electronic building block modules to the branch modules so as to form an electronic building block combination circuit having adjusting branches, and connecting the electronic building block combination circuit to the building block combination basic function circuit so as to form an electronic building block combination circuit having adjusting branches. The invention also discloses electronic building blocks and their combination.

The invention disclose a remote-control toy battle VR platform which comprises a VR helmet, a tank body and a turret. Traveling mechanisms are mounted on two sides of the tank body. The tank body is provided with a control circuit board and a wireless transceiver. A plurality of cameras are mounted on the turret. Each traveling mechanism comprises a track, a power transmission unit driving the track and a motor, wherein the power transmission unit comprises a drive gear, a driven gear, a plurality of regulating gears and a plurality of transmission gears, the drive gear and the driven gear are respectively rotatably arranged at two ends of the lateral wall of the tank body, and the regulating gears and the transmission gears are arranged between the drive gear and the driven gear in a staggered manner. The cameras mounted on the turret collects image data in real time, and the image data spliced by a display terminal in real time to form a panoramic view screen. When multiple players participate in a game, the players can remotely experience the real-time conditions of toy tanks and observe by using the toy tanks as the first perspective, and the fun and interactivity of the toy tanks are increased.

The invention discloses a movable-type printing splicing board toy. The movable-type printing splicing board toy comprises a splicing board, character tablets and types, wherein the character tablets and the types are arranged in the splicing board, the splicing board comprises a base board and a frame, an accommodating cavity is formed by the frame and the base board, first connecting parts are arranged at the bottom of the accommodating cavity, second connecting parts which are matched with the first connecting parts are arranged at the bottoms of the types and the character tablets, and the types and the character tablets are connected to the second connecting parts through the first connecting parts in a detachable way. The invention further provides a printing method. The printing method comprises the following steps: arranging the types and the character tablets according to a required order and required rules; coating the surfaces of the types with ink; laying one piece of paper on the ink-coated types; putting a paper hold-down plate, limiting and tightly pressing the paper by the paper hold-down plate, and carrying out printing. A movable-type printing technology is utilized in the movable-type printing splicing board toy and the printing method to develop the intelligence of children and better train the cognition and operational capabilities of the children. Learning is carried out during entertainment, Chinese culture is grasped, and movable-type printing is revived in modern life.

The invention belongs to the technical field of robots, and discloses a scenario-based robot teaching method and system. The scenario-based robot teaching method includes the following steps: teachingpreparation, teaching implementation, learning and feedback, and resource library construction. An educational robot of the invention can interact with students in a virtuous circle according to thehobbies of different students, and thus the learning enthusiasm of the students can be motivated; the educational robot can analyze the interaction with the students, judges the mastery of knowledge of the students, performs corresponding adjustments on teaching contents in time, improves the efficiency, and can also provide individualized teaching for the students; the educational robot continuously updates the teaching contents by virtue of a cloud platform, and overcomes the problem of obsolete contents in a traditional teaching mode; and the educational robot answers new questions that occur during the learning process of the students, and makes the taught contents more time-sensitive. The scheme of the invention is beneficial to cultivating the hands-on ability of the students.

The invention provides a combined type toy gyro separated through induction control. The combined type toy gyro comprises a main gyro body, an auxiliary gyro body and an elastic part. When the combined type toy gyro is in a first state, the main gyro body is limited and fixed above the auxiliary gyro body through the auxiliary gyro body, and meanwhile the main gyro body compresses the elastic part so that the elastic part can be compressed. The combined type toy gyro is characterized in that a sensing mechanism is arranged in the auxiliary gyro body, the sensing mechanism can controllably relieve limiting fixation of the main gyro body from the auxiliary gyro body under a second state through induction control, the main gyro body pops up under the elasticity action of the elastic part, and accordingly the main gyro body and the auxiliary gyro body rotate independently. Thus, players can separate the gyro through induction at will; meanwhile, because of inductive separation, rotation of the toy gyro cannot be influenced, the whole game process has controllability, operability is high, playing methods are more novel, interestingness is higher, the gyro is divided into two parts, attack force of gyros of own sides is greatly increased, the win rate is higher, and the gyro can be popular with more players.

The invention belongs to the technical field of teaching education robot, and discloses an education robot on the basis of situational teaching and a situational teaching method. The situational teaching method for the education robot includes carrying out teaching preparation before classes and constructing resource libraries; 'selecting, constructing and designing current situation tasks' in theclasses, 'selecting situation task teaching modes and planning teaching procedures, 'executing the teaching procedures and autonomously generating innovation elements, joviality, voice and situations', and 'carrying out man-machine interaction'; carrying out personalized exercise after the classes. The education robot comprises a head, a trunk and four limbs. The education robot and the situational teaching method have the advantages that the education robot and the situational teaching method are favorable for upgrading the teaching personalization level; learning states and the interactionperformance of students can be analyzed by the education robot, knowledge mastery conditions of the students can be judged, teaching contents can be timely correspondingly adjusted, accordingly, the efficiency can be improved, and the student personalized teaching level can be upgraded.

The invention provides a figure transformation combination toy which comprises a toy combination body composed of a plurality of toy single bodies and is characterized in that each toy single body comprises a figure modeling block provided with a movable or rotatable part. The figure modeling blocks are mutually connected through connection pieces, the parts of the figure blocks are moved or rotated to be transformed to parts of the toy combination body, and the connection pieces are utilized to connect the transformed figure modeling blocks to form the toy combination body, so that the figure modeling blocks can be used for figure calculation, enrich knowledge and improve children intelligence. The figure modeling blocks can also be spliced into the toy combination body for play, the combination mode is various, and playing interestingness of the toy can be effectively improved to absorb sight of children and cater to interest of the children. The figure transformation combination toy can practice operation ability and creative thinking ability of the children, and is ingenious in design, various in modeling and capable of maintaining long-time playing interestingness. The toy has edutainment performance.

The invention provides a toy track capable of being freely spliced. The toy track capable of being freely spliced comprises a plurality of guide rails and connecting pieces. Each guide rail is composed of a left strip rail and a right strip rail which are independent. Each connecting piece is a frame-shaped piece. The opposite positions of the inner frame edge of the frame-shaped pieces are provided with connecting pieces for being connected with the ends of the strip rails. The two ends of each left strip rail and the two ends of each right strip rail are connected to the connecting pieces of the two corresponding frame-shaped pieces respectively, so that a track body with the middle of the track face being hollowed out is formed. A left wheel and a right wheel of a toy car are right located on the left strip rails and the right strip rails, and consequently the toy car can walk along the track. Frame-shaped pieces of the corresponding widths can be selected according to widths of toy cars to be connected with the strip rails so that the width of the track can be increased, and the application range of the toy track is effectively enlarged. The difficulty of splicing is lower than that of front-and-back butting of an existing guide rail, the technique of splicing is higher than that of front-and-back butting of the existing guide rail, and accordingly the operational ability and minds of players can be better trained.

The invention discloses a spatial structure mechanics experiment device. The spatial structure mechanics experiment device comprises a spatial experiment framework, a loading mechanism and a to-be-tested space experiment bar system, wherein the to-be-tested space experiment bar system is arranged on the experiment pedestal platform of the experiment framework; the loading mechanism is arranged at the top of the experiment framework by moving in the top plane of the experiment framework; the loading mechanism acts on the to-be-tested space experiment bar system through a pressure head. The spatial structure mechanics experiment device is characterized in that statics and dynamics testing experiment can be integrally executed to a spatial structure model, the overall performance of the spatial structure can be tested and evaluated; the complete experiment device is simple in configuration, easy to assemble, and diversified in function; besides learning interests of students can be motivated and the operational ability of students can be exercised by the experiment device.

The invention discloses a steering mechanism of an electric toy three-wheel trolley. The steering mechanism is characterized in that a double-drive-pin grooved pulley mechanism and a space crank and rocker mechanism are arranged in series; the double-drive-pin grooved pulley mechanism is provided with a pair of drive pins on a drive plate at 90-degree intervals, and a grooved pulley arranged correspondingly is a rotating wheel; drive grooves are formed in the periphery of the grooved pulley at 90-degree intervals, and the pair of drive pins can drive two adjacent drive grooves correspondingly; the space crank and rocker mechanism is formed by a crank, a rocker and a connecting rod; the grooved pulley and the crank are fixed on the same shaft to rotate coaxially, and the rocker is fixedly connected with a fork frame of a steering wheel of the trolley. The steering mechanism enables the toy trolley to run independently, and several kinds of interesting specific tracks can be completed by adjusting the steering mechanism.

The invention provides a children toy, in particular to a colorful-changeable flour-mud powder, according to mass percentages, which contains indicator of 0.1-0.5 accounts, anhydrous sodium carbonate of 2.95-3.35 accounts, dihydroxysuccinic acid of 3.14-3.67 accounts and flour of 92.43-94.55 accounts. The preparation method comprises weighting and mixing indicator and anhydrous sodium carbonate uniformly, baking at 100DEG C for 20-30min, screening via 80-200 meshes, weighting and mixing dihydroxysuccinic acid and flour uniformly, adding the screened power, packing, and obtaining the colorful-changeable flour-mud powder. The product can be added with water to be kneaded into mud form, with color change in twist. The invention has special formula, simple preparation and no hurt on human body, which color change function can develop children intelligence and develop practical ability.

The invention provides a building-block type spliced toy track which comprises a plurality of guide rails and connecting pieces. The building-block type spliced toy track is characterized in that each guide rail comprises a left strip rail body and a right strip rail body which are independent, the connecting pieces are building block connecting blocks, each building block connecting block is provided with a plurality of butt joint parts, the strip rail bodies are correspondingly provided with connecting parts connected with the butt joint parts in a matched mode, the connecting parts on the strip rail bodies are connected with the butt joint parts at different positions on the building block connecting blocks in the matched mode to form a track body with the adjustable track width or the adjustable track height, the middle of the track face of the track body is hollowed, left wheels and right wheels of a toy car are right located on the left strip rail bodies and the right strip rail bodies so that the toy car can walk along the track, the width and the height can be further adjusted, the application range of the toy track is accordingly and effectively expanded, and the building-block type spliced toy track is suitable for walking of various toy cars different in size; in addition, a building-block type splicing method is adopted, the interestingness is high, the splicing difficulty and splicing skills are higher than the difficulty and skills of the front-and-back butt joint of an existing track, and the operation ability and the mentality of a player can be further exercised.

The invention relates to a cable fault simulation centralized control system and a simulation training method thereof, and is applied to the field of cable fault detection. According to the device and the method, the system is characterized by comprising an upper computer, a lower computer, a cable fault type judgment module, a cable fault range finding module, a cable fault locating module and a cable identification module. All the modules are controlled by the upper computer in a unified and centralized way, and all the modules are also mutually independent and can perform training simultaneously. The real cable field environment can be restored, fault field wiring and instrument application can be simulated and the actual operation capability of the training personnel can be practiced.

The invention discloses a foam cloud generating device which comprises a foam generating box and a gas input component, wherein the gas input component comprises a gas cylinder, a pressure reducing valve and a gas conveying pipe; the foam generating box comprises a shell, a cutting rod, a storage box and a cloud template as well as a foaming agent container, a tube sorting device and a thin branch tube which are arranged in the shell, wherein the cloud template can be cloud-shaped template which is freely arranged; and after the gas in the gas cylinder is input into the foaming agent container, foam is generated and then is molded by the cloud module, so that the floating cloud can be formed. The shape of the generated cloud can be adjusted, so that the operational ability of children can be fostered, the creativity is stimulated, and the device is high in playability.

The invention discloses a one-piece type multifunctional industrial control teaching practical training platform, comprising a table body; the table body is provided with a frequency conversion transmission module, a servo transmission module, a stepping transmission module, a first execution module, a second execution module, a control module, a power supply and a plurality of first banana socketa by embedding; the first execution module is connected to the servo transmission module, and the second execution module is connected to the stepping transmission module; and connection terminals of a frequency conversion transmission module, a servo transmission module, a stepping transmission module and a control module are in communication with a insertion needle inside the banana socket. The invention enables the operation to be simple and convenient, helps student to exercise the hand-using capability and the observation capability, enhances the similarity of the student to the practical training platform and arouses the interesting of the student. Besides, the invention provides convenience to student to master knowledge of the programmable control, frequency conversion speed regulation and accuracy position. Besides, the invention has a small practical training platform, can be widely applied in the table teaching and effectively reduces the teaching cost.

The invention discloses a control system of an intelligent logistics transfer robot for teaching competition, and the control system comprises a main control module which is connected with a visual detection module, a walking control module, a transfer control module, a start control module and a power supply control module. By means of the robot, in a set competition field, according to competition rules, the functions of target position recognition, autonomous path planning, autonomous movement, two-dimensional code reading, carrying task display, material color recognition, material shape recognition, material grabbing and carrying control of the robot can be achieved.