CN108634561A - A kind of multimedia teaching dais - Google Patents

Abstract

The invention discloses a platform for multimedia teaching, which comprises a booth body, a pulley and a book placement rack. The lower end of the booth body is provided with a pulley, the upper end of the booth body is provided with a computer desk, and the rear side of the computer desk is provided with a There is a baffle, and an "L"-shaped telescopic sleeve protrudes from the right side of the booth body, and the top of the telescopic sleeve is connected with the display board through a spherical connector, and a storage tank is provided on the right side of the computer desk. The multimedia teaching podium of the present invention has high practicability, is easy to move, is equipped with multimedia teaching equipment, integrates functions such as a loudspeaker, a computer table, a physical display stand, and a book holder, and is convenient for storage and easy to take, and can be used according to The teacher needs to adjust the position of the teaching books, and at the same time, it has an intelligent radiator, which can effectively ensure the smooth work of the entire platform and help to improve the teacher's teaching efficiency.

Description

A platform for multimedia teaching

technical field

The invention relates to a podium, in particular to a podium for multimedia teaching.

Background technique

With the increasing maturity of digital technology in recent years, today's multimedia teaching technology has developed by leaps and bounds. The multi-functional teaching booth, a new type of multimedia tool used for teaching, conferences, demonstrations and other occasions, has increasingly entered the our working life.

In the current provision of teaching equipment in primary and secondary schools, multi-functional teaching booth equipment plays an important role in teaching. In the current teaching, computers or tablet computers are basic teaching tools, which can facilitate teachers to consult information and improve teaching efficiency. . A Chinese patent discloses a multifunctional management teaching booth (authorized announcement number CN205433026U). Although this patented technology has the basic function of teaching booth, it has single function, inconvenient storage, lack of tablet computer table, and is not easy to move. Adapt to the present and future teaching use, which will bring great inconvenience to the teacher. Therefore, those skilled in the art provide a multimedia teaching platform to solve the problems raised in the above-mentioned background technology.

Contents of the invention

The purpose of the present invention is to provide a platform for multimedia teaching to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A platform for multimedia teaching, comprising a booth body, a pulley and a book placement rack, the lower end of the booth body is provided with a pulley, the upper end of the booth body is provided with a computer desk, and the rear side of the computer desk is provided with a baffle plate, An "L"-shaped telescopic sleeve protrudes from the right side of the booth body, and the top of the telescopic sleeve is connected with the display board through a spherical joint. The right side of the computer desk is provided with a storage tank, and the storage tank The front end of the computer desk is provided with a fixed seat, the upper end of the fixed seat is provided with a microphone, the front end of the computer desk is provided with an operation table, the left side of the operation table is provided with a fixed rod, and the upper end of the fixed rod is passed through the rotating fixing device A curved rod is connected, the upper end of the curved rod is provided with a book shelf, the left side of the computer table is provided with a cup groove, the upper end of the pulley is provided with a locker, and the upper end of the locker is provided with a drawer , the back of the booth body is provided with a loudspeaker, and the lower end of the loudspeaker is provided with a cooling device.

As a further solution of the present invention: the model of the chip IC1 is M5172L.

As a further solution of the present invention: the resistor R2 is a negative temperature coefficient thermistor.

As a further solution of the present invention: handles are provided on the drawers and lockers.

As a further solution of the present invention: there are three loudspeakers in total.

As a further solution of the present invention: the cup groove is provided with anti-skid lines.

Compared with prior art, the beneficial effect of the present invention is:

The platform for multimedia teaching of the present invention has high practicability, is easy to move, is equipped with multimedia teaching equipment, and integrates functions such as a loudspeaker, a computer table, a real object display stand, and a book holder, and is convenient for storage and easy to take, and can be used according to The position of the teaching books can be adjusted according to the needs of the teacher. At the same time, it has an intelligent radiator, which can effectively ensure the smooth work of the entire platform and help to improve the teaching efficiency of the teacher.

Description of drawings

Fig. 1 is a structural schematic diagram of a platform for multimedia teaching.

Fig. 2 is a schematic diagram of the rear structure of the platform for multimedia teaching.

Figure 3 is a circuit diagram of the heat sink.

In the figure: 1-stand body, 2-drawer, 3-locker, 4-pulley, 5-baffle, 6-computer desk, 7-operating desk, 8-microphone, 9-storage slot, 10-fixed Seat, 11-cup slot, 12-fixing rod, 13-rotating fixing device, 14-bending rod, 15-book shelf, 16-amplified horn, 17-radiating device, 18-telescopic sleeve, 19-spherical connection pieces, 20-display board.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-3, in the embodiment of the present invention, a multimedia teaching platform includes a booth body 1, a pulley 4 and a book placement frame 15, and is characterized in that the lower end of the booth body 1 is provided with a pulley 4, so that The upper end of the booth body 1 is provided with a computer table 6, and the rear side of the computer table 6 is provided with a baffle 5, and an "L"-shaped telescopic sleeve 18 protrudes from the right side of the booth body 1, and the telescopic sleeve 18 The top is connected with the display board 20 through the spherical connector 19, the right side of the computer table 6 is provided with a storage tank 9, the front end of the storage tank 9 is provided with a fixed seat 10, and the upper end of the fixed seat 10 is provided with There is a microphone 8, and a telescopic sleeve 18 protrudes from the right side of the booth body 1, and a display board 20 is installed on its top through a spherical connector 19, for displaying physical models, real objects, etc. during entity teaching, through the telescopic sleeve 18 The height of the display board 20 can be adjusted, and the height can be lowered when not in use, and the display board 20 can be folded through the spherical connector 19 to reduce the occupied space. The left side of 7 is provided with fixed rod 12, and the upper end of described fixed rod 12 is connected with bending rod 14 by rotating fixture 13, and the upper end of described bending rod 14 is provided with book placement rack 15, and the left side of described computer table 6 A cup groove 11 is provided, a locker 3 is provided on the upper end of the pulley 4, a drawer 2 is provided on the upper end of the locker 3, and a loudspeaker 16 is arranged on the back of the booth body 1, and the loudspeaker The lower end of the horn 16 is provided with a heat sink 17 . The cooling device 17 is shown in Figure 3. The chip IC1 in the circuit is a zero-voltage integrated flip-flop. Pin 2 of the chip IC1 only generates pulse output near zero voltage in the positive half cycle. After the pulse passes through the integration circuit composed of resistor R1 and capacitor C1 Then enter the triode V1 and the triode V1 to amplify, and finally add to the control electrode of the one-way thyristor Q1. The resistance R2 is a negative temperature coefficient thermistor, and its resistance changes inversely with the change of the ambient temperature. Therefore, when the temperature is high, The resistance of R2 decreases, the voltage flowing through the triode V2 increases, the control electrode voltage of the bidirectional thyristor Q1 increases, the conduction angle of Q1 increases, and the speed of the fan M increases. On the contrary, the speed decreases, and the potentiometer RP1 can be conveniently Adjust the critical temperature point.

The working principle of the present invention is:

The present invention relates to a multifunctional booth for teaching. The lower end of the booth is provided with a pulley 4, which is convenient and fast when the platform needs to be moved. The drawer 2 and the locker 3 can store books or other utensils used by the teacher for teaching. A computer station 6 is arranged above, which is convenient for the teacher to consult information or use multimedia teaching. The microphone 8 can improve the teacher's voice, the storage tank 9 can place chalk, the book shelf 15 is used to place the books used by the teacher for teaching, and the display stand 20 is used for It is better to show real objects, models, etc. to students, and the position of the book rack 15 can be changed as required, which is convenient for the teacher to teach.

The present invention is simple and reasonable in design, convenient and quick to use, highly practical, easy to move, equipped with multimedia teaching equipment, convenient to store, easy to take, and can adjust the position of teaching books according to the needs of teachers. It helps to improve the teaching efficiency of teachers.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A platform for multimedia teaching, comprising a booth body (1), a pulley (4) and a book shelf (15), characterized in that the lower end of the booth body (1) is provided with a pulley (4), the The upper end of the booth body (1) is provided with a computer table (6), and the rear side of the computer table (6) is provided with a baffle (5), and an "L"-shaped telescopic extension protrudes from the right side of the booth body (1). Sleeve (18), the top of the telescopic sleeve (18) is connected with the display board (20) through a spherical joint (19), and the right side of the computer table (6) is provided with a storage tank (9), so The front end of the storage tank (9) is provided with a fixed seat (10), the upper end of the fixed seat (10) is provided with a microphone (8), and the front end of the computer table (6) is provided with an operating table (7), The left side of the console (7) is provided with a fixed rod (12), the upper end of the fixed rod (12) is connected with a bending rod (14) through a rotating fixing device (13), and the bending rod (14) The upper end is provided with a book shelf (15), the left side of the computer table (6) is provided with a cup groove (11), the upper end of the pulley (4) is provided with a locker (3), and the locker The upper end of (3) is provided with a drawer (2), the back of the booth body (1) is provided with a loudspeaker (16), and the lower end of the loudspeaker (16) is provided with a cooling device (17). 2. The platform for multimedia teaching according to claim 1, characterized in that the heat dissipation device (17) includes a resistor R1, a fan M and a chip IC1, the other end of the resistor R1 is connected to a resistor R3 and a capacitor C1, and the capacitor C1 The other end is connected to capacitor C2, capacitor C3, resistor R6, emitter of triode V2, potentiometer RP1, 220V AC and a main electrode of bidirectional thyristor Q1, the other end of resistor R3 is connected to the base of triode V2, and the other end of potentiometer RP1 Connect one end of the resistor to pin 4 of the chip IC1, the other end of the resistor R2 is connected to the emitter of the transistor V1, the base of the transistor V1 is connected to the resistor R4, the other end of the resistor R4 is connected to the collector of the transistor V2, and the pin of the chip IC1 7 Connect the cathode of diode D1, the anode of diode D1 connects resistor R5 and capacitor C4, the other end of resistor R5 connects the other end of capacitor C4, fan M and the other end of 220V AC, the collector of transistor V1 connects the other end of resistor R6 and the control electrode of the bidirectional thyristor Q1, the collector of the triode V2 is connected to the base of the triode V1, and the other end of the fan M is connected to the other main electrode of the bidirectional thyristor Q1 and the resistor R8. 3. The platform for multimedia teaching according to claim 1, characterized in that the model of the chip IC1 is M5172L. 4. The platform for multimedia teaching according to claim 1, wherein the resistor R2 is a negative temperature coefficient thermistor. 5. The platform for multimedia teaching according to claim 1, characterized in that, handles are provided on the drawer (2) and the locker (3). 6. The platform for multimedia teaching according to claim 1, characterized in that there are three amplified speakers (16) in total. 7. The platform for multimedia teaching according to claim 1, characterized in that, the cup groove (11) is provided with anti-skid lines.