CN210727054U - Intelligent lifting device for teacher's desk in multimedia classroom - Google Patents

Abstract

The utility model relates to the technical field of computers, in particular to an intelligent lifting device for a multimedia classroom desk. A lifting mechanism is welded on the top of the lifting mechanism, a pillar is welded on the inner side of the lifting mechanism, and the top of the pillar penetrates the base and extends to the outside of the base and is welded with a podium; , The setting of the podium, baffle, identification device, monitor, mouse and microphone makes the lecture table have the advantage of automatically adjusting the height of the lecture table according to the height of the lecturer, and at the same time solves the problem that the existing lecture table cannot be adjusted according to the height of the lecturer. It can automatically adjust the height, so when the height of the lecturer is too different from the height of the desk, it will greatly reduce the lecturer's experience and reduce the lecturer's teaching effect.

Description

An intelligent lifting device for a multimedia classroom desk

technical field

The utility model relates to the technical field of computers, in particular to an intelligent lifting device for a multimedia classroom desk.

Background technique

In the multimedia classroom, teachers can use modern teaching media such as painting, text, projection, audio recording, and video recording at will by operating computers, physical display stands and other equipment, and can also use conventional teaching media such as blackboard writing, textbooks, charts, and pictures for teaching. , the entire teaching process can be displayed on the big screen, completely getting rid of the teaching environment of blackboard and chalk, with the development of society, multimedia classrooms are becoming more and more popular.

In multimedia classrooms, there will be a desk for lecturers to use, but the existing lecture desk cannot automatically adjust the height according to the height of the lecturer. It greatly reduces the use experience of the lecturer and reduces the lecture effect of the lecturer. For this reason, we propose an intelligent lifting device for a multimedia classroom desk to solve this problem.

Utility model content

The purpose of the utility model is to provide an intelligent lifting device for a multimedia classroom desk, which has the advantage of automatically adjusting the height of the desk according to the height of the lecturer, and solves the problem that the existing desk cannot automatically adjust the height according to the height of the lecturer. Therefore, when the difference between the height of the lecturer and the height of the desk is too large, the use experience of the lecturer will be greatly reduced, and the effect of the lecturer's lecture will be reduced.

In order to achieve the above purpose, the utility model provides the following technical solutions: an intelligent lifting device for a multimedia classroom desk, comprising a base, the inner wall of the base is welded with a partition, the bottom of the partition is fixedly installed with a driving mechanism, the The top of the inner cavity of the base is welded with a lifting mechanism, the inner side of the lifting mechanism is welded with a pillar, the top of the pillar penetrates the base and extends to the outside of the base and is welded with a podium, and a baffle is fixedly installed on the top of the podium. An identification device is fixedly installed on the top of the baffle, a display is fixedly installed on the left side of the top of the podium, a mouse is fixedly installed on the right side of the display through wires, and a microphone is fixedly installed on the right side of the top of the podium.

Preferably, the driving mechanism includes a servo motor, the top of the servo motor is fixedly installed with the bottom of the partition plate, the output shaft of the servo motor is welded with a driving wheel, and both sides of the driving wheel are connected by belt transmission. A driven wheel, a worm is welded at the axial center of the top of the driven wheel, and the top of the worm penetrates the baffle and extends to the outside of the baffle to be supported by the top bearing of the inner cavity of the base, and the inner side of the worm is engaged with a worm wheel.

Preferably, the lifting mechanism includes a fixed plate, the number of the fixed plate is two, and both are welded with the top of the inner cavity of the base, the front bearing of the fixed plate supports a rotating rod, and the front surface of the rotating rod is welded There is a gear, the inner side of the gear is meshed with a toothed plate, the inner side of the toothed plate is welded with the surface of the strut, the back of the rotating rod penetrates the fixed plate and extends to the outside of the fixed plate and is welded with the front of the worm gear.

Preferably, the inside of the identification device includes a living body detection module and an infrared body temperature detection module, and a processor and a relay are respectively fixedly installed at the bottom of the inner cavity of the base.

Preferably, support sleeves are welded on both the front and rear sides of the support, the inner cavity of the support sleeve is slidably connected with a support rod, the bottom end of the support rod is welded with the top of the partition plate, and the top end of the support rod is connected to the top of the partition plate. The top of the base cavity is welded.

Preferably, a placing plate is welded on the left side of the base, a storage box is welded on the right side of the base, a box door is movably connected to the front of the storage box through hinges, and the front side of the box door is fixedly connected There are handles.

Preferably, the bottom of the base is welded with a bottom plate, the four corners of the bottom of the bottom plate are welded with a universal wheel, and a lock is fixedly installed on the right side of the universal wheel.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The utility model has the advantage of automatically adjusting the height of the lecture table according to the height of the lecturer through the arrangement of the base, the clapboard, the driving mechanism, the lifting mechanism, the pillar, the podium, the baffle plate, the identification device, the monitor, the mouse and the microphone. , At the same time, it solves that the existing desk cannot automatically adjust the height according to the height of the lecturer. Therefore, when the height of the lecturer and the height of the desk are too different, it will greatly reduce the lecturer's experience and reduce the lecturer's lecture effect. The problem.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a partial side sectional view of the worm gear of the utility model;

3 is a partial side sectional view of a pillar of the utility model;

FIG. 4 is a schematic diagram of the system of the present invention.

In the figure: 1. Base; 2. Clapboard; 3. Driving mechanism; 31. Servo motor; 32. Driving wheel; 33. Driven wheel; 34. Worm; 35. Worm wheel; 4. Lifting mechanism; 41. Fixed plate; 42, rotating rod; 43, gear; 44, tooth plate; 5, pillar; 6, lectern; 7, baffle; 8, identification device; 9, monitor; 10, mouse; 11, microphone; 12, processor; 13 , relay; 14, support sleeve; 15, support rod; 16, placing plate; 17, storage box; 18, box door; 19, handle; 20, bottom plate; 21, universal wheel.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-4, an intelligent lifting device for a multimedia classroom desk, including a base 1, a partition 2 is welded on the inner wall of the base 1, a drive mechanism 3 is fixedly installed at the bottom of the partition 2, and the top of the inner cavity of the base 1 is welded There is a lifting mechanism 4, the inner side of the lifting mechanism 4 is welded with a pillar 5, the top of the pillar 5 penetrates the base 1 and extends to the outside of the base 1, and a podium 6 is welded. The top of the podium 6 is fixedly installed with a baffle 7, and the top of the baffle 7 The identification device 8 is fixedly installed, the display 9 is fixedly installed on the left side of the top of the podium 6, the mouse 10 is fixedly installed on the right side of the display 9 through wires, and the microphone 11 is fixedly installed on the right side of the top of the podium 6, through the base 1, the partition 2. The setting of the drive mechanism 3, the lifting mechanism 4, the pillar 5, the podium 6, the baffle plate 7, the identification device 8, the display 9, the mouse 10 and the microphone 11, so that the table can be automatically adjusted according to the height of the lecturer. At the same time, it solves the problem that the existing desk cannot automatically adjust the height according to the height of the lecturer. Therefore, when the height of the lecturer is too different from the height of the desk, it will greatly reduce the lecturer's experience and reduce the lecturer's experience. The problem of the lecture effect, and the display 9 can read and display the lecture materials prepared by the lecturer, the mouse 10 can facilitate the lecturer to operate and mark the lecture materials, and the microphone 11 can collect the lecturer's voice during the lecture, and communicate with the speaker. Amplify the sound so that students can hear the lecturer's voice clearly.

In this embodiment, the drive mechanism 3 includes a servo motor 31 , the top of the servo motor 31 is fixedly mounted on the bottom of the partition 2 , the output shaft of the servo motor 31 is welded with a driving wheel 32 , and both sides of the driving wheel 32 are connected by belt drive There is a driven wheel 33, and a worm 34 is welded at the shaft center of the top of the driven wheel 33. The top of the worm 34 penetrates the partition 2 and extends to the outside of the partition 2 and is supported by the top bearing of the inner cavity of the base 1. The inner side of the worm 34 is engaged with a The worm gear 35, the driving mechanism 3 can convert electrical energy into mechanical energy, and transmit the mechanical energy to the lifting mechanism 4, so that it can operate normally, and the model of the servo motor 31 is TC7124.

In this embodiment, the lifting mechanism 4 includes a fixed plate 41 . The number of the two fixed plates 41 is two, and both of them are welded with the top of the inner cavity of the base 1 . The front bearing of the fixed plate 41 supports the rotating rod 42 , and the front surface of the rotating rod 42 The gear 43 is welded, the inner side of the gear 43 is meshed with a toothed plate 44, the inner side of the toothed plate 44 is welded with the surface of the pillar 5, the back of the rotating rod 42 penetrates the fixed plate 41 and extends to the outside of the fixed plate 41 and is welded with the front of the worm gear 35. , the lifting mechanism 4 can drive the column 5 to adjust the height to meet the needs of the lecturer.

In this embodiment, the interior of the identification device 8 includes a living body detection module and an infrared body temperature detection module, the processor 12 and the relay 13 are respectively fixedly installed at the bottom of the inner cavity of the base 1, and the identification device 8 can identify the height of the lecturer, and The data is sent to the processor 12, the processor 12 adjusts the height of the desk according to the height data, and the model of the processor 12 is MPC8540PX833LC, and the model of the relay 13 is JS11-11DN.

In this embodiment, support sleeves 14 are welded on both the front and rear sides of the pillar 5 , the inner cavity of the support sleeve 14 is slidably connected with a support rod 15 , the bottom end of the support rod 15 is welded with the top of the partition 2 , and the top end of the support rod 15 Welded with the top of the inner cavity of the base 1 , the support sleeve 14 and the support rod 15 can support and limit the column 5 when it is lifted and lowered, so as to increase its stability.

In this embodiment, a placing plate 16 is welded on the left side of the base 1 , a storage box 17 is welded on the right side of the base 1 , and a box door 18 is movably connected to the front of the storage box 17 through hinges, and the front side of the box door 18 is fixed The handle 19 is connected, the placing board 16 can facilitate the placement of the computer case, and the storage box 17 can facilitate the lecturer to store his personal belongings, which increases the convenience of use.

In this embodiment, a bottom plate 20 is welded to the bottom of the base 1 , and a universal wheel 21 is welded to the four corners of the bottom of the base 20 , and a lock is fixedly installed on the right side of the universal wheel 21 . At the same time, the universal wheel 21 can increase the mobility of the lectern, making it more convenient to move, and the locking device can lock the universal wheel 21 .

In this embodiment, the input end of the processor 12 is electrically connected to the external power supply and the identification device 8 in one direction respectively, the output end of the processor 12 is electrically connected to the input end of the relay 13 in one direction, and the output end of the relay 13 is electrically connected to the servo motor The input end of 31 is electrically connected in one direction.

Working principle: The lectern is powered by an external power supply and activated by the peripheral control switch. After the lectern is started, when the lecturer stands in front of the lectern, the living body detection module and the infrared body temperature detection module inside the identification device 8 are paired with each other. The height information of the lecturer is collected, and the collected signal is sent to the processor 12. The processor 12 analyzes the data after receiving the data, and adjusts the height of the desk to make it the best height difference with the height of the lecturer. The specific adjustment process It is: the processor 12 controls the servo motor 31 to start through the relay 13, the output shaft of the servo motor 31 drives the driving wheel 32 to rotate, the driving wheel 32 drives the driven wheel 33 to rotate through the belt, the driven wheel 33 drives the worm 34 to rotate, and the worm 34 drives the worm wheel 35. Rotation, the worm wheel 35 drives the rotating rod 42 to rotate, the rotating rod 42 drives the gear 43 to rotate, the gear 43 drives the toothed plate 44 to move upward, and the toothed plate 44 drives the column 5 to move upward, and the column 5 drives the podium 6 to move upward, thereby completing the height adjustment , because the servo motor 31 has the function of forward and reverse rotation, it can also drive the podium 6 to fall. At the same time, when the servo motor 31 stops working, the worm gear 35 and the worm 34 have braking conditions, which can prevent it from working without external force. Reverse, causing podium 6 to fall.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a multimedia classroom lectern intelligence elevating gear, includes base (1), its characterized in that: the inner wall welding of base (1) has baffle (2), the bottom fixed mounting of baffle (2) has actuating mechanism (3), the top welding of base (1) inner chamber has elevating system (4), the inboard welding of elevating system (4) has pillar (5), the outside welding that the top of pillar (5) runs through base (1) and extends to base (1) has podium (6), the top fixed mounting of podium (6) has baffle (7), the top fixed mounting of baffle (7) has recognition device (8), the left side fixed mounting at podium (6) top has display (9), the right side of display (9) is through wire fixed mounting mouse (10), the right side fixed mounting at podium (6) top has microphone (11).

2. The intelligent lifting device for the teacher's desk in the multimedia classroom as claimed in claim 1, wherein: actuating mechanism (3) are including servo motor (31), the top of servo motor (31) and the bottom fixed mounting of baffle (2), the output shaft welding of servo motor (31) has action wheel (32), the both sides of action wheel (32) all are connected with from driving wheel (33) through belt transmission, the axle center department welding at from driving wheel (33) top has worm (34), the top of worm (34) runs through baffle (2) and extends to the outside of baffle (2) and the top bearing support of base (1) inner chamber, the inboard meshing of worm (34) has worm wheel (35).

3. The intelligent lifting device for the teacher's desk in the multimedia classroom as claimed in claim 2, wherein: elevating system (4) are including fixed plate (41), the quantity of fixed plate (41) is two, and all with the top welding of base (1) inner chamber, the front bearing of fixed plate (41) supports bull stick (42), the front welding of bull stick (42) has gear (43), the inboard meshing of gear (43) has pinion rack (44), the inboard of pinion rack (44) and the surface welding of pillar (5), the back of bull stick (42) runs through fixed plate (41) and extends to the outside of fixed plate (41) and the front welding of worm wheel (35).

4. The intelligent lifting device for the teacher's desk in the multimedia classroom as claimed in claim 1, wherein: the inside of recognition device (8) includes live body detection module and infrared body temperature detection module, the bottom of base (1) inner chamber is fixed mounting respectively has treater (12) and relay (13).

5. The intelligent lifting device for the teacher's desk in the multimedia classroom as claimed in claim 1, wherein: support sleeves (14) are welded on the front side and the rear side of the strut (5), a support rod (15) is connected to the inner cavity of each support sleeve (14) in a sliding mode, the bottom end of each support rod (15) is welded to the top of the partition plate (2), and the top end of each support rod (15) is welded to the top of the inner cavity of the base (1).

6. The intelligent lifting device for the teacher's desk in the multimedia classroom as claimed in claim 1, wherein: the welding of the left side of base (1) has and places board (16), the welding of the right side of base (1) has storage tank (17), there is chamber door (18) openly through hinge swing joint of storage tank (17), the positive fixedly connected with handle (19) of chamber door (18).

7. The intelligent lifting device for the teacher's desk in the multimedia classroom as claimed in claim 1, wherein: the bottom welding of base (1) has bottom plate (20), universal wheel (21) have all been welded in the four corners of bottom plate (20) bottom, the right side fixed mounting of universal wheel (21) has the locking ware.

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