103results about How to "Convenient for teaching" patented technology

The invention relates to a cavitation and teaching test device, especially relates to a small-sized cavitation test device based on pressure control, and belongs to the technical fields of fluid machinery engineering and hydraulic and hydroelectric engineering. The device is generally divided into four parts: an operating tank part, a test section part, a collecting tank part and an auxiliary equipment part. The water inlet of the test section of the operating tank is connected with a turbine flow meter through a pipeline; a test control valve is connected with the water inlet of the collecting tank through the pipeline; the liquid reflux inlet of the operating tank is connected with the water outlet of the collecting tank through the pipeline on which a reflux control valve is arranged; a light source and a high-speed camera connected with a computer are arranged beside a visual test section and used for collecting images; a light source controller is connected with the light source and used for controlling the intensity of the light source. The different-level cavitation phenomenon can be observed clearly by the test device, and the test device is simple and portable, convenient to detach, carry and use in teaching, small in occupation space, and saved in test area.

The invention discloses a wind-speed wind-direction measuring instrument which comprises a base, a sleeve tube, a timer, a sleeve, a rotation shaft, connecting rods, wind cups, a wind indicator, a rope and a rope box. One end of the sleeve tube is perpendicularly connected on the base. The timer is arranged on the outer wall of the sleeve tube. The rotation shaft is contained inside the sleeve tube in a rotatable mode. One end of each connecting rod is fixed on the rotation shaft. The other end of each connecting rod is connected with each wind cup. The sleeve is sleeved on the rotation shaft. The wind indicator is fixed on the outer wall of the sleeve. One end of the rope is fixed on the rotation shaft. The other end of the rope is contained inside the rope box. The wind-speed wind-direction measuring instrument is simple in structure and capable of achieving measurement of wind speed through the common timer and the common rope, and can be conveniently used for teaching.

The invention discloses a framework type power distribution box which comprises a case, mounting brackets, a door leaf and a fixing plate, wherein the fixing plate is positioned in the case; an electric meter, a circuit breaker, neutral connection terminals, a grounding terminal, a power socket and indicating lamps are mounted on the fixing plate; the mounting brackets are fixed on two sides of the case; the door leaf is arranged on the case; mounting holes are formed in a back plate of the case and the mounting brackets, so that wall mounting and framework type mounting can be realized; the electric meter, the circuit breaker, the power socket and the indicating lamps are mounted on the fixing plate, so that power can be externally conveyed and supplied, and circuit control and management can be realized; due to the grounding terminal and the neutral connection terminals, operation safety of equipment can be guaranteed; and a transparent acrylic plate is arranged in the middle of the door leaf, so that the structural theory in the framework type power distribution box can be intuitively displayed. Thus, equipment in urgent need is supplied to electrical training courses for majors of computer network and the like in colleges and universities; and the cognitive competence of students is improved.

The invention relates to the technical field of English language teaching appliances, in particular to a projector support frame for English language teaching. The projector support frame for Englishlanguage teaching comprises a second supporting plate which is arranged horizontally, wherein three supporting legs which are arranged obliquely are mounted on the bottom surface of the second supporting plate at intervals; the three supporting legs are arranged in a regular triangle manner; a vertical sleeve is mounted in the middle of the top surface of the second supporting plate; an insertingrod is inserted in the sleeve; the inserting rod and the sleeve are connected through a positioning bolt; the top end of the inserting rod is fixedly connected with a first supporting plate arranged horizontally; and an adjusting screw and a supporting screw which are arranged vertically are separately inserted in the middles of the left end and the right end of the first supporting plate. A projector can be clamped fixedly, and moreover, the position height of the projector and an inclined angle can be adjusted correspondingly.

The invention belongs to the technical field of teacher's desks and particularly relates to a classroom teacher's desk with a foldable display screen. The classroom teacher's desk with the foldable display screen solves the problems of single function, display screen storage inconvenience and movement inconvenience of common teacher's desks. According to the technical scheme, the classroom teacher's desk with the foldable display screen comprises a shell, the inner wall of the bottom of the shell is fixedly provided with a heater through bolts; the inner wall of the output port of the heater is welded with a connecting pipe, one end of the connecting pipe, which is away from the heater, is welded with a loop pipe; the outer wall of one side of the shell is provided with a first mounting port, the inner wall of the first mounting port is fixedly provided with a fan through bolts, and the fan is close to the loop pipe. The classroom teacher's desk with the foldable display screen can adjust the height of the desk top as well as the temperature in summer or winter according to different requirements, thereby improving the functionality; meanwhile, the classroom teacher's desk with thefoldable display screen can adjust the height and angle of a display screen body to facilitate teaching application by teachers, save space and avoid exposure of the display screen body as well as accumulation of dust in air.

The invention relates to the technical field of information technology teaching equipment, and discloses a showing device for information technology teaching. The showing device comprises a box; the bottom of the box is fixedly connected to the top of a support plate; the surface of the box is fixedly connected with a display frame; the side, positioned on the surface of the display frame, of thebox is fixedly connected with an object hanging frame; the lower side, positioned on the surface of the object hanging basket, of the box is fixedly connected with a small blackboard; the bottom of the support plate is fixedly connected with a first bearing; the inner wall of the first bearing is fixedly connected with a rotating shaft; and one end of the rotating shaft penetrates through a secondbearing and a first belt wheel in sequence, and is fixedly connected with the inner wall of a third bearing. In the showing device for information technology teaching, through cooperation of a display screen and a hanging plate, workers can directly show teaching information through the display screen, so that the workers are convenient to preferably teach information technologies; and the hanging plate can be convenient for the workers to preferably show information technology flows and convenient for students to preferably learn.

The invention provides a three-dimensional teaching system based on the virtual reality technology. The system includes a 3D projector, an electronic whiteboard, 3D glasses and a three-dimensional centralized control system. The 3D projector is electrically connected with a three-dimensional centralized control module, the electronic whiteboard is electrically connected with the three-dimensionalcentralized control system, the three-dimensional centralized control system can be connected with a video audio source, the 3D glasses are used for people to observe the projection of the electronicwhiteboard on the 3D projector, a control command is issued to the electronic whiteboard, and the three-dimensional centralized control system receives and executes the command for controlling an image text, a video and an audio. The system is used for teaching operation of a 3D teaching model, makes it easier for students to understand the teaching content and improves the teaching effect.

The invention discloses a teaching table for vocational education. The teaching table comprises a table body, two groups of telescopic legs are fixedly arranged at the bottom end of the table body, universal wheels are fixedly arranged at the bottom ends of the telescopic legs, and a reinforcing arm is fixedly arranged between the telescopic legs in each group; a supporting plate is fixedly arranged between the two reinforcing arms, and an electric hydraulic cylinder is fixedly arranged at the center of the top end of the supporting plate. According to the teaching table for vocational education, the electric hydraulic cylinder is arranged, so that labor is saved when the table body ascends and descends; the universal wheels are arranged, so that the table body is easy to move, and the teaching table is convenient to use; a placing groove is formed, so that telescopic upright columns and a reel shell are convenient to place, and the height of the telescopic upright columns is adjusted;due to the connection of a connection line, hooks and hanging rings, the reel shell is stable; a projection cloth is unfolded through limiting strips, so that projection and application are easy; a lifting device is adjusted by opening a second drawer, and projection equipment is clamped between a movable baffle and a fixed baffle, so that the teaching table is easy to use for teaching and suitable for being used indoors and outdoors.

The invention discloses a multimedia business administration teaching device, which comprises a chain rod, a vertical rod, a base, an insert hole and a fixing button; one side of the top end of the base is equipped with first supporting cylinder, and the inner part of the first supporting cylinder is vertically equipped with the chain rod; the other side of the top end of the base is vertically equipped with a second supporting cylinder, and the inner part of the second supporting cylinder is vertically equipped with the vertical rod; one side of the bottom end of the chain rod is connected tothe vertical rod through the cross rod; a framework is mounted between the chain rod and the vertical rod, and a curtain cloth is mounted in the middle of the framework. Through a slide rail and a slide block, a teacher can move on the slide rail through the slide block for pulling the curtain cloth, thus the curtain cloth is placed in the framework, and the teacher can dismount, replace and mount the curtain cloth; meanwhile, through a rotary shaft, the device can overturning the curtain cloth in the framework, and facilitate teaching.

The invention discloses a mechanical arm for teaching demonstration. The mechanical arm comprises a base, supporting feet are arranged at the lower end of the base, rolling wheels are arranged at thelower ends of the supporting feet, a first motor is arranged in the base, a first coupling is arranged at the upper end of the first motor, a first rotating shaft is arranged at the upper end of the first coupling, an output shaft of the first motor is connected with the first rotating shaft through the first coupling, a rotary table is arranged at the upper end of the first rotating shaft, two front-back opposite mounting plates are arranged at the upper end of the rotary table, and a second rotating shaft is arranged between the two mounting plates. The mechanical arm is simple in structureand convenient to use, angle adjustment on an arm rod of the mechanical arm can be achieved, the work direction of the mechanical arm is more comprehensive, and meanwhile the flexibility of work of the mechanical arm is enhanced; position change of the mechanism arm can be achieved, some special operation requirements of a user are met, great convenience is brought to the user, and teaching use isfacilitated.

The invention discloses a piece of intelligent teaching auxiliary equipment including a base. A first rotating motor is fixedly arranged inside the base. The top output shaft of the first rotating motor extends to the upper surface of the base through a through hole, and is fixedly connected with a locker through a ball bearing. The base is provided with a circular slide slot on the upper surfacethereof. Multiple support rods corresponding to the circular slide slot are uniformly, vertically and fixedly arranged on the lower surface of the locker, and the support rods are connected in a sliding manner with the circular slide slot. The locker consists of two storage cabinets. Each storage cabinet is provided with an opening on one side thereof, and an opening / closing cover is connected ateach opening through a hinge. A handle slot is fixedly arranged on the surface of each opening / closing cover. A lifting chamber is fixedly arranged on the top of the locker. The intelligent teaching auxiliary equipment has the advantages of simple and reasonable structure design, convenience of operation and various functions, and is convenient for teaching and easy to move.

The invention provides a display device for economics. The display device comprises a base, a display board, a controller and two sets of supports, wherein the two supports are symmetrically and fixedly erected at the top of the base, and the two ends of the display board are rotationally connected with the two supports respectively; a front face of the display board is a white board, long-strip-shaped through grooves are formed side by side, and a long-strip-shaped column structure is arranged in each through groove. each strip column structure comprises a first screw rod, a sliding block, an indicating rod and a nut; mounting blocks are fixedly arranged on the front faces of the sliding blocks, vertical baffles are fixedly arranged on one sides of the front faces of the display plates, and transverse baffles are fixedly arranged at the bottoms; a laser sensor is fixedly arranged at the bottom of the mounting block; a plurality of electronic boards are arranged on the front surface of the display board, and an electronic screen is erected above the display board; the range of vertical coordinates is input into the electronic screen, and the distance measured by each laser sensor is converted into a vertical coordinate value to be displayed on the electronic board. The device can rapidly display the statistical graph through the display board, and the statistical graph is convenient to adjust and replace.

The invention provides portable multifunctional music teaching equipment, including an inner box body capable of being taken and put, a special box for music learning by students, a liftable convenient box, a musical instrument placing box, a music equipment power supply box, a white board and a special teaching terminal box for teachers, wherein the inner box body capable of being taken and put is placed in the liftable convenient box. Through arrangement of a handle and a handle mounting shaft, lifting is facilitated for students in use in cooperation with moving wheels, and thus carrying is more convenient; and the portable multifunctional music teaching equipment solves the problem that a musical instrument of an original design is too large or too heavy and thus is inconvenient to carry, so that students' learning and teachers' teaching are more convenient, the size of the liftable convenient box designed this time is about the size of a common schoolbag, the weight is about 0.5 to 1Kg, carrying is facilitated for students and becomes easier and more convenient, at the same time, a solar panel provides electric energy, so that portable multifunctional music teaching equipment is more environment-friendly and energy-saving, the use is more convenient, and popularization and use are facilitated.

The invention provides a multifunctional teaching robot matched practical training platform, and the platform comprises a chute, a display stand, a liftable adjustment rail device, an I-shaped platform, a variable angle plate device, a desk frame folding device, a rectangular connecting pipe, a height adjustment foot stool, a hanging buckle, a computer placing seat, a foreign matter absorbing dust-removing device, a desk cleaning device, a placement box, and a classification teaching board device. According to the invention, the setting of a rotating plate, a rotating shaft, a first-stage fixed block, a second-stage fixed block and a locking block facilitates the extending of the platform, so as to enable the application and operation to be more convenient. The setting of a locking screw, a locking nut, a jack disc and a rotating handle facilitates the supporting, tightening and locking of the rotating plate. The setting of a lifting plate, a movable shaft, a sliding block, a sliding rail and a fastening bolt facilitates the adjustment of the height of the display stand at any time according to the display and teaching demands, so as to enable the use to be more convenient.

The invention provides a cross-regional-space shared interactive class system. A plurality of classrooms in different space ranges are added in teaching interaction through an information technology,a general control room controls the interaction order, interaction of dozens of people at most in a traditional class is expanded to hundreds or even thousands of people, teachers in different interaction classes can complete different divisions of labor in the interactive class system according to specialties and hobbies of the teachers and only teach the parts which the teachers are the best atand real-timely share the parts on the interactive class system, and only assist in teaching supervision in the classrooms of the teachers in other time, remote teaching is conducted by other high-quality teachers of the shared interactive class system, communication learning of different teaching methods and modes is achieved, the burden of the teachers is smaller, and the teaching quality is better. The interaction classrooms can be freely combined, and are designed by combining specific teaching practice, the cross-regional-space shared interactive class system is used in multiple scenes, the cross-regional-space shared interactive class system is conveniently matched with modern teaching, and the real high-definition, non-delay, extendable and efficient real-time shared interactive class system is brought.

The invention discloses a teaching appliance, and particularly discloses a foldable rostrum. The foldable rostrum comprises a desk body, sliding ways, a desk top and drawers, wherein the front side and the rear side of the upper end of the deck body are provided with the sliding ways, the desk top is installed in the sliding ways, an auxiliary desk top is installed on the right side of the desk top, the desk top is connected with the auxiliary desk top through a hinge, the upper end and the lower end of the lower side of the sliding way on the front side of the upper end of the desk body are respectively provided with one drawer, and each drawer is provided with a pull ring. The foldable rostrum has the advantages that the rostrum is simple in structure, convenient to use, small in size, capable of being folded to use, the using area of the rostrum is increased, and the rostrum is convenient for teachers to use for teaching.

The invention discloses a full-touch-control multimedia teaching and automatic video-recording integrated system. The system comprises a main cabinet, and the interior of the main cabinet is provided with a main unit. The main cabinet is provided with a touch control screen, a video display platform, and a touch control preposed camera. The touch control preposed camera is connected with the main unit through an image video stream circuit, and the main unit is externally connected with a projector through a circuit. The projector enables the contents of the touch control screen to be projected to a projection curtain, and the contents of the touch control screen are also transmitted to the main unit through a projection video stream circuit. The exterior of the main cabinet is provided with audio processing equipment, and the audio processing equipment comprises a DVD, a power amplifier, and a wireless microphone transmitting end. The wireless microphone transmitting end is connected with wireless microphone equipment, and the wireless microphone equipment is connected with the main unit through an audio circuit. The system can automatically record the teaching contents in a recording mode, facilitates the teaching, improves the teaching efficiency, is simple in operation, is low in video recording cost, and facilitates the popularization and application.

The invention relates to a bionic fish teaching device, in particular to a fish bionic teaching device with touch feedback and action demonstration; the technical problem to be solved by the invention is: to provide a bionic fish teaching device suitable for teaching and increasing the interest of teaching In order to solve the above-mentioned technical problems, the technical solution proposed by the present invention is: a kind of bionic fish teaching equipment, comprising: a bionic fish body and a bionic fish intelligent control device, the bionic fish body is a hollow fish body structure, and the bionic fish body There are touch experience points and remote explanation points; the bionic fish intelligent control device is installed inside the fish body; the touch experience point is provided with an elastic pressing switch K1, and pressing the touch experience point can make the elastic pressing switch K1 connect In general, the remote explanation point is provided with an infrared receiving sensor; the bionic fish intelligent control device includes: a touch feedback circuit and an infrared motion simulation device.

The invention discloses a gas explosion experimental device which comprises a support frame, a pressure-resistant and anti-explosion glass tube, and an electronic igniter, wherein the support frame consists of a base and an oblique bracket plate, the base is of a flat plate, the oblique bracket plate has a triangular structure, and one side of the oblique bracket plate is fixed on the base; one end of the pressure-resistant and anti-explosion glass tube is opened, the other end of the pressure-resistant and anti-explosion glass tube is sealed by a baffle, the pressure-resistant and anti-explosion glass tube is fixed on one oblique side of the oblique bracket plate, and the sealed end is higher so as to facilitate gas gathering and experiment; and the electronic igniter is communicated with the interior of the pressure-resistant and anti-explosion glass tube by penetrating the baffle. In addition, the invention further discloses a gas explosion experimental method. According to the gas explosion experimental device and method, the pressure-resistant and anti-explosion capabilities of the experimental device are enhanced, the safety in experiment process is ensured, remote observation is convenient, and the gas explosion experimental device and method are simple in structure, convenient to operate and convenient for teaching.

The invention discloses an intelligent movable type electronic white board, which belongs to the technical field of electronic teaching. Two sides of the electronic white board are respectively provided with a loudspeaker. The middle part of the upper end of the electronic white board is provided with a camera, and two sides of the camera are respectively provided with an image collecting plate. The lower end of the electronic white board is provided with a power supply module, an infrared induction pen, and an infrared induction receiver in order. The infrared induction receiver is connectedto the power supply module. One side of an outer frame is provided with a USB interface, which is electrically connected to the power supply module. The internal part of the electronic white board isprovided with a central processing module, which is electrically connected to the power supply module. The camera and the infrared induction receiver are both connected to the central processing module. The invention is advantageous in that the structure is simple and design is reasonable; the learning communication and problem discussion between students and teachers can be recorded and replayed,and the words and images on the electronic white board can be changed at will; universal wheels are adopted, and movement is facilitated, and use is convenient.

The invention discloses a wall-mounted all-in-one machine for teaching, belonging to the field of teaching devices. The all-in-one machine comprises a shell, a wall mounting frame, a loudspeaker box, a first display screen, a camera, a second display screen, a storage box, a box door installed on the storage box, a control computer, a display platform, a display camera and a handwriting input board, wherein the wall mounting frame and the loudspeaker box are installed on the shell. The all-in-one machine has the beneficial effects that more contents can be displayed, which is good for teaching use; displayed contents can be written and modified, which is more suitable for field teaching and teaching interaction; few devices are needed and cost is low; and the all-in-one machine can be used for remote teaching and is convenient to use.

The invention discloses a storage box with a good protection effect for multimedia teaching. The storage box comprises a supporting box, a box body, multimedia equipment and two upper covers, whereinthe box body is arranged on the supporting box; the multimedia equipment is arranged in the box body; and the box body is of an uncovered rectangular structure. The two upper covers are buckled on thebox body and are symmetrical to each other; a protection lock is arranged between the upper covers; and a sliding control mechanism is arranged in the box body and connected with the upper cover. A lifting adjusting mechanism is arranged in the box body and is connected with the multimedia equipment. According to the invention, the multimedia equipment is installed in the box body, the sliding control mechanism is arranged on the box body, the upper covers are controlled, the protection lock is arranged between the upper covers, the multimedia equipment in the operation table can be protected, the lifting adjusting mechanism is arranged in the box body, the height of the multimedia equipment is adjusted through the lifting adjusting mechanism, and teaching use is facilitated.

The invention discloses a cell biological teaching model robot with an automatic cleaning function. The robot comprises a base plate and a tension spring. In the operation process, two U-shaped fixingplates are manually pulled, the tension spring is stretched, plates protruding out of the two side walls of a tabletop are placed into the U-shaped fixing plates, a trapezoid block is extruded, the spring is compressed, the tension spring is stretched, the tension spring generates bounce, the two U-shaped clamps are clamped to the tabletop separately, due to the action of the bounce of the spring, the contact force with the side wall of the table top is increased, and therefore the whole U-shaped fixing plates are firmly fixed to the tabletop, in the cell model sphere cleaning process, a motor is powered on, the whole cell model sphere is driven to rotate, the difference between animal cell and plant cell internal structures can be shown to students, visual display is performed, the student's learning interests can be added, installation is convenient, installation is firm, convenience is provided for teachers, dust is convenient to remove, the whole attractive appearance is improved,and the teaching quality of the teachers is improved.

The present invention provides a computer teaching display device. The device comprises a hollow box body, and a driving shaft is arranged in the middle of the box body; the driving shaft is connectedwith a Z-shaped rod through a bevel gear set; the Z-shaped rod is rotatably connected with the box body, the right end of the Z-shaped rod is rotatably connected with a sleeve, the sleeve is slidablyconnected with an L-shaped rod, the L-shaped rod and the right end of the L-shaped rod are slidably connected with a first connecting rod, the first connecting rod is fixedly connected with the box body, and the upper side of the L-shaped rod is slidably connected with a second connecting rod. According to the invention, the problem that the existing teaching display device can only display one surface of the teaching model, the model cannot be displayed in all directions, the display model cannot be fixed, students in the rear row cannot observe the model, the teaching quality and efficiencyare affected, the teaching tool storage function is lacked, teaching tools are prone to being lost, and the teaching display device is inconvenient to move are solved.

The invention discloses a novel blackboard structure. The novel blackboard structure comprises an integrally molded board body, wherein the board body is fixed on a wall; a display frame is arranged on the surface of the board body; an electronic display screen is mounted in the display frame; a speaker is arranged on the board body; a hole is formed in the upper side edge of the board body; a microphone is arranged in the hole, and is connected with a main control chip through a connecting cable; and buttons comprise a volume adjusting key and a power supply on / off key.

The invention discloses a teaching model device of an air-conditioning system, which comprises a four-way valve with a transparent valve body, a one-way valve with the transparent valve body and a control panel, wherein an air-out end of the four-way valve is connected with an air-in end of the one-way valve, the teaching model device also comprises an air inlet device, wherein the air-out end of the air inlet device is connected with the air-in end of the four-way valve, a control end is connected with an output end of the control panel and is used to send air into the four-way valve and the one-way valve when a control signal of the control panel is received, and an internal execution structure of the one-way valve is driven. The teaching model device has lower manufacture cost, and the device is conveniently used in teaching and has good safety.

The invention belongs to the technical field of teaching devices, and particularly relates to combined type platform equipment having a multimedia function and convenient for teaching. The combined type platform equipment comprises a top plate and a platform box body, wherein the top plate is welded to the top of the platform box body; and a supporting plate is welded to a position close to the bottom in the platform box body. When the equipment is used, a pull plate is pulled out; a square hole is exposed; a control switch is pressed; and a telescopic rod can enable a computer all-in-one machine to be exposed out of the square hole, so that the computer all-in-one machine can be operated for teaching. When the equipment is not used, the telescopic rod can pull back a bearing plate; the computer all-in-one machine can be put away; the pull plate is pushed again, so that the dustproof and anti-collision protection effects on the computer all-in-one machine are achieved; due to the factthat the pull plate can be pulled out, a teacher can conveniently place objects; the equipment can be moved by means of walking wheels; when the equipment is used, threaded pipes can be re-screwed, sothat supporting blocks squeeze the ground to prevent the walking wheels from moving; and the equipment can be moved in a labor-saving mode at any time, so that the teaching cost can be reduced.

The invention, which belongs to the teaching equipment technology field, discloses a teaching experiment box. The teaching experiment box comprises: a box body; an insulating operation platform, which is arranged at the central section of the box body; a power switch, which is installed at the lower portion of the box body; power jacks; an output voltage adjusting knob; an ammeter, which is installed at the upper portion of the box body; a voltmeter, which is also installed at the upper portion of the box body; a groove; and measuring bars. An ammeter switch, an ammeter gear selector, an ammeter display and an ammeter signal socket are installed on the ammeter. A voltmeter switch, a voltmeter gear selector, a voltmeter display and a voltmeter signal socket are installed on the voltmeter. The groove is opened on the box body and the measuring bars are placed in the groove; plugs of the measuring bars can be used in conjunction with the ammeter signal socket and the voltmeter signal socket. According to the invention, beneficial effects of the teaching experiment box are as follows: an output voltage can be adjusted; the box can be used flexibly and conveniently; an integrated structure is employed and a power supply, the voltmeter, and the ammeter are integrated on the plane, so that the circuit is simplified; besides, the box has advantages of convenient operation, clear circuit, security and reliability for using and reasonable structure and the like.