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

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 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 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 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 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 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 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 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.