58results about How to "Improve class efficiency" patented technology

The invention discloses an interactive electronic whiteboard and all-in-one machine based method for classifying according to disciplines. A module for realizing touching and blackboard-writing functions as well as teaching tools, teaching instruments, simulation experiments and a classifying module used frequently in each discipline are adopted. The classifying module is used for classifying all the teaching tools, teaching instruments and the simulation experiments into different disciplines according to the characteristics of different disciplines under the existing education mode. The invention has the advantages that: teachers can write on a whiteboard or teach through a television and are free from the trouble of chalk dust, and due to the adoption of the electronic whiteboard based method for classifying according to disciplines, the teaching efficiency of the teachers is improved and a vivid visual effect is brought to the students.

The invention provides an accounting class interaction method and device. The accounting class interaction method comprises the steps that when teachers perform accounting teaching, question information sent by each student is received; the question information is classified as at least one doubt question; whether the doubt questions are matched with current accounting teaching contents or not isjudged; and under the condition that the doubt questions are matched with the current accounting teaching contents, the doubt questions matched with the current accounting teaching contents are suspended and displayed on a current display frame of a display device. According to the accounting class interaction method, the doubt questions of students can be obtained in real time, class interactionof accounting teaching is increased, the problem that the students do not understand is solved timely, the enthusiasm in class of the students is improved, and the teaching effect and the class efficiency are improved.

A chair special for a teacher comprises a walking part, a supporting part, a chair part and a mechanical arm part and is characterized in that the lower surface of a lower base plate of a first parallel mechanism of the supporting part is installed at the middle positioning of the upper surface of a base plate of the walking part, the lower surface of the chair part is connected with a motor shaft of a second steering engine on the supporting part, a sliding block of the mechanical arm part is installed in a first dovetail groove formed in the chair part in a sliding mode, the height of the mechanical arm part is adjusted through six eighth hydraulic cylinders of the mechanical arm part, the position of a chalk fixing base is adjusted through a ninth hydraulic cylinder and a tenth hydraulic cylinder, and the angle of the chalk fixing base is adjusted through a fifth steering engine, so that the mechanical arm part helps the teacher to draw some drawings or write, the writing and drawing time is saved for the teacher, the class efficiency is improved, and chalk dust is also prevented from entering the mouth of the teacher.

The invention relates to an English teaching blackboard. The English teaching blackboard comprises a blackboard body, wherein a frame surrounding around the edge of the blackboard body is arranged at the periphery of the blackboard body; a plurality of dust collection holes are formed in one side, close to the blackboard body, of the frame; a dust collector is arranged at the lower end of the frame; a dust collection opening of the dust collector is communicated with the interior of the frame; a motor and a gear box are arranged on each of two sides of the frame; output shafts of the two motors are connected with the gear boxes close to the motors; racks are arranged on frame bodies of the frame on two sides close to the two gear boxes; output shafts of the two gear boxes are respectively meshed and linked with the racks; a transversely-arranged strip-shaped blackboard brush is arranged on the blackboard body; two ends of the blackboard brush are fixedly connected with two racks respectively; the two racks are used for driving the blackboard brush to vertically move; the two motors are connected with a controller through a circuit; a wound point-reading panel is arranged on the frame and is connected with a host through the circuit. The English teaching blackboard can be automatically wiped and is capable of automatically collecting dust and pointing and reading English.

The invention discloses an online education double-live-streaming-room switching method and device and a storage medium, and the method comprises the steps: entering a first live streaming room and asecond live streaming room at the same time when a login instruction of a student user is received, wherein the first live streaming room and the second live streaming room is distributed with corresponding teacher users; pushing the live broadcast stream of the first live broadcast room or the second live broadcast room to a client of a student user for teaching according to a preset teaching plan; when a live broadcast switching instruction is monitored, switching and pushing a corresponding live broadcast stream to a client of a student user for teaching according to the live broadcast switching instruction. According to the embodiment of the invention, a double-live-streaming-room mode is adopted, the student user logs in the two live streaming rooms allocated with the corresponding teacher users at the same time in class, and the corresponding live streaming is seamlessly switched and pushed according to the teaching plan in the class process, so the double-teacher teaching seamless switching mode of online teaching is realized, students do not need to frequently log in and log out, and the class efficiency is greatly improved.

The invention provides a cloud classroom name calling system based on a VR virtual reality technology. The cloud classroom name calling system comprises student ends, a teacher end and a server. The student end comprises a student login module for student login into the corresponding student end, an online information acquisition module for acquiring related information of the student end, and aninformation sending module for transmitting the student end related information acquired by the online information acquisition module and the student login information to the teacher end. The teacherend comprises an information receiving module for receiving the related information transmitted by the student end, and a verification module for verifying whether the information transmitted by the student end is consistent with the set student information. The server comprises an information publishing module for displaying and querying the information of a student corresponding to the student end and a determining module for determining the use cases of the student end. During the teaching process, the system makes name calling easy and convenient, saves the teaching time and improves the teaching efficiency.

The invention discloses an intelligent blackboard with a three-board-writing function, and a wiping method thereof, and relates to the technical field of intelligent blackboards. The intelligent blackboard comprises a base, a supporting assembly, a sliding assembly, a blackboard assembly and a wiping assembly. The supporting assembly comprises two stand columns perpendicularly arranged on the upper surface of the base; the stand columns are two parallel boards; the sliding assembly is an n-shaped frame; a sliding rail is arranged on the lower surface of a cross rod of the n-shaped frame; the blackboard assembly is composed of a plurality of equilateral triangular prisms arranged side by side; rotating shafts are arranged at the axle centers of the two ends of the equilateral triangular prisms; a first gear is arranged in the middle of each rotating shaft in a sleeving mode; the wiping assembly is a sliding plate vertically arranged; a sliding chute is formed in the top end of the sliding plate; and the sliding plate is cooperated with the sliding rail of the n-shaped frame through the sliding chute. According to the intelligent blackboard, a plurality of triangular prisms are arranged side by side to form one side of the blackboard, the turnover of the blackboard is achieved through mutual cooperation of a motor and a belt wheel, and one sides of the triangular prisms are wipedthrough the wiping assembly; and the class efficiency is improved, and the intelligent degree of the blackboard is improved.

The invention discloses a full-automatic environment-friendly blackboard eraser. When the traditional blackboard eraser is used, the time and the labor are wasted; the traditional blackboard eraser has shortcomings that a blackboard cannot be cleaned thoroughly and dust pollution exists; and the existing automatic blackboard eraser cannot clean the blackboard thoroughly, and is poor in dust removal effect. A frame is fixed on a wall; two screws are placed horizontally and are supported on the frame vertically through bearings; each nut and the corresponding screw form a thread pair; the two nuts are respectively welded with the two ends of the blackboard eraser; the two screws are connected with each other through a synchronous belt mechanism; a motor drives a belt pulley on one of the screws; a water tank is divided into a clean water chamber and a sewage collecting chamber via a filtering membrane; the bottom of a water draining tube is connected with the clean water chamber through a water pump; the top of the water draining tube and the bottom of a water distributing tube in the blackboard eraser are positioned at the same height; the bottom of a sewage collecting tube is communicated with the sewage collecting chamber; the top of the sewage collecting tube is communicated with a sewage tank on the bottom of the frame; and a travel switch is connected with the water pump and controls opening and closing of the water pump. The full-automatic environment-friendly blackboard eraser is simple in structure and high in efficiency, and is full-automatic; and dust can be removed thoroughly.

The invention discloses a double-guide-rail crossed lifting blackboard capable of achieving the 100% lifting rate. The double-guide-rail crossed lifting blackboard is characterized by comprising an electronic white plate arranged in a frame and located on the rear side, a double-guide-rail crossed lifting blackboard set and a sliding plate located on the front side. The electronic white plate andthe double-guide-rail crossed lifting blackboard set are horizontally laid on the horizontal two sides in the frame, and the sliding plate can move horizontally in the frame. The sliding plate comprises a first blackboard body and a second blackboard body which can move vertically. The double-guide-rail crossed lifting blackboard set comprises two sets of blackboard bodies which are horizontally laid in the horizontal direction, and each set of blackboard bodies include the two blackboard bodies which can move vertically and are arranged in a front-back manner. By means of the teaching blackboard, the 100% area lifting rate is achieved, the blackboard utilization rate is increased, the blackboard wiping times are reduced, installation is convenient, and therefore the class efficiency is improved, and the class experiment transmitted to students through writing on the blackboard is also improved.

The invention discloses an English teaching aid which comprises a telescopic rod and a fixed block. The upper end of the telescopic rod is fixedly connected to the fixed block. The fixed block is configured to have a cuboid structure with a cavity formed therein. Four through holes are formed in the outer wall, located at one side of the cavity, of the fixed block. Distances between the four through holes are identical. Each through hole has one end communicating with the outside and the other end communicating with the cavity in the fixed block. A mounting plate is arranged in the cavity. Four chalk sleeves are fixedly mounted on one side surface, facing the through holes, of the mounting plate and extend to the outside through the corresponding through holes, respectively. The ends, located outside, of the chalk sleeves are opened, and a chalk is inserted in the outside opening of each chalk sleeve. The English teaching aid is simple in structure and convenient to use; the height of the fixed block can be changed by means of the telescopic rod, such that the heights of four line grids are changed; four parallel lines can be drawn up quickly by means of four chalk sleeves with identical distances therebtween, and therefore, the speed of drawing up lines and the efficiency of teaching are greatly improved.

The invention discloses a projector interactive device for teaching, the structure of which includes a bracket, a vent, a machine box, a voice device, a lens, an optical machine, a coil, a protector, a radiator, a cooling fan, a control board, and a driver. The bracket is provided with a vent, and the machine box is provided with a voice device, the voice device is composed of a lead wire, a transformer, a magnet, a voice coil, a diaphragm, a protective cover, and a casing, and the lead wire is tightly connected with the transformer , the transformer is connected to the magnet, the magnet is connected to the voice coil, the voice coil is connected to the diaphragm, and the diaphragm is tightly connected to the protective cover. The beneficial effect of the present invention is that a voice device is provided, Through the lead wire connection, the transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The direct definition of connecting the voice coil is the coil through the audio current, and the sound is transmitted with the diaphragm, so that the teacher can switch quickly during class. And it will not take more time, which speeds up the efficiency of class.

The invention relates to the technical field of electric information, in particular to a method for providing student attendance status. The method comprises the following steps: a receiver is used for receiving a signal generated when an attended student intelligent terminal is connected to the receiver; a first camera in front of a classroom is used for capturing overall pictures of students in class; an attendance server is used for determining actual attendance student information and actual attendance number information according to information received by the receiver, and comparing preset attendance student information with the actual attendance student information to determine the information of students not in attendance; the attendance server is used for determining the actual number of students in the classroom currently according to the number information of the actual attendance students and the overall pictures of the students in class captured by the first camera, and comparing the actual number of students and the number of the actual attendance students to determine students who do not belong to the current course; the attendance server is used for sending the information of the students not in attendance and the information of the students who do not belong to the current course to an intelligent terminal of an current course instructor.

The invention relates to an advertising desk capable of purifying air. The advertising desk comprises a desk top and four desk legs. The four desk legs are arranged at the four corners at the lower end of the desk top and fixedly connected with the bottom of the desk top; an advertising board is arranged at the upper end of the desk top, the lower end of the advertising board is hinged to the upper end face of the desk top, and the upper end of the advertising board is located above the desk top in an inclined mode; the advertising board inclines towards the rear side of the desk top; a telescopic rod is arranged on the rear side of the advertising board, and the telescopic rod stretches out and draws back to adjust the inclination angle of the advertising board. Compared with the prior art, books can be placed on the advertising board, when a student attends class, the student can put the books on the advertising board, advertising can be conducted, book placing can be convenient, the advertising board cannot be destroyed, and the advertising effect is improved; an air purifier can conduct air purification, and the class efficiency of the student is improved.