CN113974323A

CN113974323A - Intelligence lift laboratory table

Info

Publication number: CN113974323A
Application number: CN202111038596.0A
Authority: CN
Inventors: 杨吉利; 李丽; 徐娟; 邓岩
Original assignee: Shanghai Xiding Intelligent Technology Co ltd
Current assignee: Shanghai Xiding Intelligent Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-28

Abstract

The invention discloses an intelligent lifting experiment table which comprises an experiment table and a detachable lifting cabinet, wherein hand-held grooves and emergency stop switches are arranged on the outer walls of the left side and the right side of the detachable lifting cabinet, a screen plate and a display screen are arranged on the upper surface of the detachable lifting cabinet, a power supply seat is arranged on the left side of the upper surface of the detachable lifting cabinet, a first lifting rod and a second lifting rod are arranged on the upper surface of the detachable lifting cabinet, a first installation rod is installed at the upper end of the outer wall of the left side of the first lifting rod through a rotating arm, a first camera is arranged at the front end of the first installation rod, two second cameras are arranged on the outer wall of the front side of the second lifting rod, a second installation rod is installed at the upper end of the second lifting rod through the rotating arm, and a third camera is arranged at the front end of the second installation rod. The invention improves the functionality of the experiment table, is adaptive to various modes, can be used for teaching and examination monitoring, records and broadcasts videos, gives AI scores to the recorded and broadcast results, improves the teaching effect of teachers, monitors examinees during examination and avoids cheating.

Description

Intelligence lift laboratory table

Technical Field

The invention relates to the field of experiment tables, in particular to an intelligent lifting experiment table.

Background

Along with the improvement of education in China, education courses increasingly pay attention to the cultivation of practical ability, practical ability and independent thinking ability of students, the use conditions of laboratories in daily learning and life are gradually increased, and in the laboratories, experiment tables are indispensable articles which bear most experiments.

But present laboratory desk service function singleness causes the problem of experimental device landing easily, and when the laboratory was operated the experiment, the experimental device sheltered from teacher's sight easily, influenced the teacher and give lessons the effect, and when carrying out the relevant examination of experiment operation, the teacher can't supervise a large amount of students simultaneously, can't in time discover cheating phenomenon, has certain defect.

Disclosure of Invention

The invention aims to provide an intelligent lifting experiment table, which can increase the diversity of functions of the experiment table, is adaptive to various modes, improves the teaching effect of teachers, monitors examinees during examination and avoids cheating.

In order to solve the technical problems, the invention provides an intelligent lifting experiment table, which comprises an experiment table, wherein a detachable lifting cabinet is detachably arranged at the rear side of the experiment table, a hand-held groove and an emergency stop switch are respectively arranged on the outer walls of the left side and the right side of the detachable lifting cabinet, a screen plate is movably arranged at the rear side of the upper surface of the detachable lifting cabinet, a display screen is movably arranged at the right side of the upper surface of the detachable lifting cabinet, a power supply seat is arranged at the left side of the upper surface of the detachable lifting cabinet, a first lifting rod and a second lifting rod are respectively and movably arranged on the left side and the right side of the power supply seat on the upper surface of the detachable lifting cabinet, a first mounting rod is arranged at the upper end of the outer wall of the left side of the first lifting rod through a rotating arm, a first camera is arranged at the front end of the first mounting rod, two second cameras are arranged on the outer wall of the front side of the second lifting rod, and a second mounting rod is arranged at the upper end of the outer wall of the left side of the second lifting rod through a rotating arm, and a third camera is arranged at the front end of the second mounting rod.

Further, screen board, display screen, first lifter and second lifter outer wall all with can dismantle the cubical switchboard upper wall and run through sliding connection, the equal fixedly connected with mounting panel of screen board, display screen, first lifter and second lifter lower extreme, just all run through sliding connection on the mounting panel and have a plurality of spacing guide arms of root, spacing guide arm upper end all with can dismantle cubical switchboard top inner wall fixed connection, spacing guide arm lower extreme all through the fixed plate with can dismantle cubical switchboard inside wall fixed connection.

Furthermore, be located the equal fixedly connected with rack in first lifter and the mounting panel bottom surface of second lifter lower extreme, the rack lower extreme all runs through and extends to the fixed plate below, all the meshing is connected with the gear on the rack, all the transmission is connected with driving motor on the gear.

Furthermore, the driving motor is a servo motor with a band-type brake self-locking function.

Furthermore, the bottom surfaces of the mounting plates, which are positioned on the screen plate and the lower end of the display screen, are all in transmission connection with an electric push rod, and the lower ends of the electric push rods are all fixedly mounted on the upper surface of the fixing plate.

Furthermore, all be equipped with on the outer wall of experiment table left and right sides and be used for the installation can dismantle the installation component of lift cabinet, the installation component includes fixed mounting and is in installation piece on the outer wall of experiment table left and right sides, installation piece upper portion all has the inserted block through the mounting groove grafting, just inserted block upper end fixed mounting can dismantle on the lift cabinet front side outer wall, the installation piece is kept away from all run through on the outer wall of experiment table one side and be equipped with construction bolt, the construction bolt tail end all through the installation screw with inserted block internal thread connects.

Further, an LED lamp strip is arranged on the front side of the bottom surface of the second mounting rod.

Furthermore, the left side and the right side of the upper surface of the experiment table are provided with reserved grooves.

Further, the rotating arm is driven by a servo motor with a reset function.

Compared with the prior art, the invention has the following beneficial effects:

(1) the screen plate, the display screen, the first lifting rod and the second lifting rod are all subjected to height adjustment through independent lifting structures, storage and lifting are facilitated, integral attractiveness is guaranteed, experimental equipment can be prevented from falling off by the aid of the screen plate, teaching contents of teachers can be synchronously watched by the aid of the display screen, a better teaching effect is achieved, cameras with adjustable heights and angles are arranged, so that the teachers can monitor learning states and examination processes of students, cheating is avoided, and teachers can disassemble operation of electronic devices in the lifting cabinet through remote control of a host machine, and management is facilitated;

(2) the experiment table is connected with can dismantling through the installation component realization with dismantling the lift cabinet, can be when the transportation with the experiment table with can dismantle the transportation of lift cabinet split, avoid dismantling the lift cabinet impaired when the transportation, and the user of being convenient for carries out the components of a whole that can function independently purchase as required.

Drawings

FIG. 1 is a schematic view of the overall structure of the intelligent lifting experiment table;

FIG. 2 is a top view of the overall structure of the intelligent lifting experiment table of the invention;

FIG. 3 is a schematic view of an installation structure of a display screen, a first lifting rod and a second lifting rod of the intelligent lifting experiment table;

FIG. 4 is a schematic view of a screen plate mounting structure of the intelligent lifting experiment table;

FIG. 5 is a top view of the mounting block structure of the intelligent lifting laboratory table of the present invention;

FIG. 6 is a right side view of the external structure of the plug block of the intelligent lifting experiment table.

Detailed Description

The intelligent lifting laboratory table of the present invention will now be described in more detail with reference to the schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that a person skilled in the art may modify the invention described herein while still achieving the advantageous effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As shown in FIG. 1, the embodiment of the invention provides an intelligent lifting experiment table, which comprises an experiment table 1, wherein a detachable lifting cabinet 2 is detachably mounted at the rear side of the experiment table 1, hand-held grooves 3 and emergency stop switches 4 are respectively arranged on the outer walls of the left side and the right side of the detachable lifting cabinet 2, a screen plate 5 is movably arranged at the rear side of the upper surface of the detachable lifting cabinet 2, a display screen 6 is movably arranged at the right side of the upper surface of the detachable lifting cabinet 2, a power supply seat 7 is arranged at the left side of the upper surface of the detachable lifting cabinet 2, a first lifting rod 8 and a second lifting rod 9 are respectively movably arranged on the upper surface of the detachable lifting cabinet 2 at the left side and the right side of the power supply seat 7, a first mounting rod 10 is mounted at the upper end of the outer wall at the left side of the first lifting rod 8 through a rotating arm, a first camera 11 is arranged at the front end of the first mounting rod 10, two second cameras 12 are arranged on the outer wall at the front side of the second lifting rod 9, second installation pole 13 is installed through the swinging boom to second lifter 9 left side outer wall upper end, second installation pole 13 front end is equipped with third camera 14.

The detachable lifting cabinet 2 is movably provided with a screen plate 5, the screen plate 5 can be lifted when in use to prevent experimental equipment from falling off the experiment table 1, the detachable lifting cabinet 2 is provided with a display screen 6, the teaching contents of teachers in laboratories can be synchronously displayed on the display screen 6 of the experiment table 1, and in addition, advanced recorded and broadcast videos can also be played, students can clearly and accurately see the experimental demonstration process of the teachers, the study and operation are convenient, a power supply seat 7 is arranged to provide safe power sources for the students when in daily study or operation examinations, the power is cut off through emergency stop switches 4 arranged at two sides of the detachable lifting cabinet 2 to realize the electricity safety prevention and control of the students, a first lifting rod 8 and a second lifting rod 9 are arranged to be accommodated in the detachable lifting cabinet 2, the upper ends of the first lifting rod 8 and the second lifting rod 9 are both provided with small servo motors, and the output shafts of the small servo motors are in transmission connection with rotating arms, the small servo motor drives the first mounting rod 10 and the second mounting rod 13 to rotate through the rotating arm, so that the first mounting rod 10 and the second mounting rod 13 can drive the first camera 11 and the third camera 14 to carry out position adjustment, monitoring on students is realized, after the first camera 11, the second camera 12 and the third camera 14 are shielded, autonomous alarm can be carried out, corresponding digital signals are sent out for master control management, the first camera 11, the second camera 12 and the third camera 14 have a video recording function, and the dynamics of the students in class or examination can be played back; wherein, the screen board 5, the display screen 6, all be connected with processing module on first lifter 8 and the second lifter 9, processing module steerable screen board 5, the display screen 6, the activity of first lifter 8 and second lifter 9, and be equipped with the communication unit on the processing module, accessible ethernet or wireless local area network's mode carries out communication connection with teacher's host computer, through student's video acquisition terminal, transmit the picture of camera to teacher's display interface, also can be with the interface projection on teacher's host computer to student's display screen 6, student's video acquisition terminal includes whole way collection terminal, the video whole that is used for experimental operation is recorded, the video information of student's experimental operation is stored and transmitted, and two way detail acquisition terminal are used for recording experimental operation detail part from different angles, effectively supplement the whole collection, the teacher can be long-rangely to screen board 5, The display screen 6, the first lifting rod 8 and the second lifting rod 9 are controlled, and management is facilitated.

As shown in fig. 3, screen board 5, display screen 6, first lifter 8 and second lifter 9 outer wall all with can dismantle 2 upper walls of lifting cabinet and run through sliding connection, the equal fixedly connected with mounting panel 15 of screen board 5, display screen 6, first lifter 8 and second lifter 9 lower extreme, just all run through sliding connection on the mounting panel 15 and have a plurality of spacing guide arms 16, spacing guide arm 16 upper end all with can dismantle 2 top inner wall fixed connection of lifting cabinet, spacing guide arm 16 lower extreme all through fixed plate 17 with can dismantle 2 inside wall fixed connection of lifting cabinet. In the present embodiment, the screen panel 5, the display screen 6, the first elevating rod 8, and the second elevating rod 9 are configured to be accommodated by engaging the mounting plate 15 with the stopper guide rod 16.

As shown in fig. 3, racks 18 are fixedly connected to bottom surfaces of the mounting plates 15 at lower ends of the first lifting rod 8 and the second lifting rod 9, lower ends of the racks 18 penetrate through and extend to a position below the fixing plate 17, gears 19 are engaged and connected to the racks 18, and driving motors 20 are connected to the gears 19 in a transmission manner. In the present embodiment, the gear 19 is driven to rotate by the driving motor 20, so that the rack 18 engaged with the gear 19 drives the first lifting rod 8 and the second lifting rod 9 on the mounting plate 15 to move up and down, thereby lifting or storing the first lifting rod 8 and the second lifting rod 9.

The driving motor 20 is a servo motor with a band-type brake self-locking function. In the embodiment, the servo motor can control the speed, the position precision is very accurate, and the voltage signal can be converted into the torque and the rotating speed to drive the controlled object. The servo motor rotor speed is controlled by input signal and can quickly respond, and in the automatic control system, it is used as executive component, and has the characteristics of small electromechanical time constant and high linearity, and can convert the received electric signal into angular displacement or angular speed output on the motor shaft, and can be divided into two categories of DC and AC servo motors, and its main characteristics are that when the signal voltage is zero, it has no autorotation phenomenon, and its rotation speed can be uniformly reduced along with the increase of torque, and it has the function of self-locking of band-type brake, and after the power supply of driving motor 20 is cut off, the output shaft of driving motor 20 can not be rotated, so that it can implement the locking of the heights of first lifting rod 8 and second lifting rod 9, and can avoid the discrimination of heights of first lifting rod 8 and second lifting rod 9 due to autorotation of the output shaft of driving motor 20.

As shown in fig. 4, the bottom surfaces of the mounting plates 15 at the lower ends of the screen plate 5 and the display screen 6 are both connected with an electric push rod 21 in a transmission manner, and the lower ends of the electric push rods 21 are both fixedly mounted on the upper surface of the fixing plate 17. In the present embodiment, the electric push rod 21 is an electric driving device that converts the rotation motion of the motor into the linear reciprocating motion of the push rod, and can be used as an execution machine in various simple or complex processes to implement remote control, centralized control or automatic control, and the electric push rod 21 has a self-locking characteristic to implement the locking of the heights of the screen panel 5 and the display screen 6.

All be equipped with on the outer wall of the 1 left and right sides of experiment table and be used for the installation can dismantle the installation component 22 of cubical switchboard 2, installation component 22 includes fixed mounting installation piece 23 on the outer wall about experiment table 1, as shown in fig. 5, installation piece 23 upper portion all has inserted block 25 through the grafting of mounting groove 24, just inserted block 25 upper end fixed mounting can dismantle on the outer wall of cubical switchboard 2 front side, installation piece 23 is kept away from all run through on the outer wall of 1 one side of experiment table and be equipped with construction bolt, as shown in fig. 6, the construction bolt tail end all through the installation screw with inserted block 25 internal thread connects. In this embodiment, will dismantle lift cabinet 2 through portable groove 3 and mention to in making inserted block 25 insert the mounting groove 24 on the installation piece 23, run through installation piece 23 lateral wall with the construction bolt again, and make the tail end of construction bolt and the inside threaded connection of the installation screw on the inserted block 25, realize the experiment table 1 and can dismantle lift cabinet 2 and be connected, make the experiment table 1 with can dismantle lift cabinet 2 detachable when the transportation, be convenient for transportation and shopping.

And an LED lamp strip 26 is arranged on the front side of the bottom surface of the second mounting rod 13. In this embodiment, set up LED lamp area 26, LED lamp area 26 can be according to indoor luminance automatically regulated illumination intensity to have sufficient light source when guaranteeing the student operation.

As shown in FIG. 2, the left and right sides of the upper surface of the experiment table 1 are provided with a preformed groove 27. In this embodiment, the experiment table 1 is provided with the reserved groove 27, and the screen plates 5 can be installed on the left side and the right side of the upper surface of the experiment table 1 through the reserved groove 27.

The rotating arm is driven by a servo motor with a reset function. In this embodiment, the servo motor is controlled by the servo controller, the servo controller has a reset function, when the first mounting rod 10 and the second mounting rod 13 are pulled off by external force and deviate from the initial fixed position, the first mounting rod 10 and the second mounting rod 13 are reset under the reset action of the servo motor, the servo motor has an anti-stalling protection function, when the servo motor rotates and meets blockage, the energizing current of the small servo motor is limited, the overheating damage of the inner coil of the small servo motor is avoided, and the purposes of protecting the motor and the battery and saving electric energy are achieved.

The following is a list of preferred embodiments of the intelligent lifting laboratory table for clearly illustrating the contents of the present invention, and it should be understood that the contents of the present invention are not limited to the following embodiments, and other modifications by conventional technical means of those skilled in the art are within the scope of the idea of the present invention.

The embodiment of the invention provides a using method of an intelligent lifting experiment table, which comprises the following steps: firstly, the detachable lifting cabinet 2 is lifted through the hand-held groove 3, the plug block 25 is inserted into the mounting groove 24 on the mounting block 23, the mounting bolt penetrates through the side wall of the mounting block 23, the tail end of the mounting bolt is in threaded connection with the inside of the mounting screw hole on the plug block 25, the connection between the experiment table 1 and the detachable lifting cabinet 2 is realized, the screen plate 5, the display screen 6, the first lifting rod 8 and the second lifting rod 9 are controlled through control software at a teacher end, the driving motor 20 is electrified, the driving motor 20 drives the gear 19 to rotate, the rack 18 meshed with the gear 19 drives the first lifting rod 8 and the second lifting rod 9 on the mounting plate 15 to move up and down, the lifting or the storage of the first lifting rod 8 and the second lifting rod 9 are realized, the small servo motor is controlled to rotate, the first mounting rod 10 and the second mounting rod 13 are driven to rotate through the rotating arm, and the angle adjustment between the first camera 11 and the third camera 14 is realized, the camera monitors the state of the student and transmits a monitoring picture to the teacher end; the electric push rod 21 can be electrified, the screen plate 5 and the display screen 6 are driven to be adjusted in height through the extension and contraction of the output shaft of the electric push rod 21, and the screen plate 5 and the display screen 6 are locked in height by utilizing the self-locking characteristic of the electric push rod 21.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An intelligent lifting experiment table is characterized by comprising an experiment table, wherein a detachable lifting cabinet is arranged at the rear side of the experiment table, hand-held grooves and emergency stop switches are arranged on the outer walls of the left side and the right side of the detachable lifting cabinet, a screen plate is movably arranged at the rear side of the upper surface of the detachable lifting cabinet, a lifting display screen is movably arranged at the right side of the upper surface of the detachable lifting cabinet, a power supply seat is arranged at the left side of the upper surface of the detachable lifting cabinet, the upper surface of the detachable lifting cabinet is positioned at the left side and the right side of the power supply seat and is respectively and movably provided with a first lifting rod and a second lifting rod, a first mounting rod is mounted at the upper end of the outer wall at the left side of the first lifting rod through a rotating arm, a first camera is arranged at the front end of the first mounting rod, two second cameras are arranged on the outer wall at the front side of the second lifting rod, and a second mounting rod is mounted at the upper end of the outer wall at the left side of the second lifting rod through a rotating arm, and a third camera is arranged at the front end of the second mounting rod.

2. The intelligent lifting experiment table as recited in claim 1, wherein the screen plate, the display screen, the first lifting rod and the second lifting rod are all connected with the upper wall of the detachable lifting cabinet in a sliding manner, the lower ends of the screen plate, the display screen, the first lifting rod and the second lifting rod are all fixedly connected with a mounting plate, a plurality of limit guide rods are all connected with the mounting plate in a sliding manner, the upper ends of the limit guide rods are all fixedly connected with the inner wall of the top of the detachable lifting cabinet, and the lower ends of the limit guide rods are all fixedly connected with the inner wall of the detachable lifting cabinet through fixing plates.

3. The intelligent lifting experiment table as recited in claim 2, wherein a rack is fixedly connected to the bottom surface of each of the mounting plates at the lower ends of the first lifting rod and the second lifting rod, the lower ends of the racks penetrate and extend below the fixing plate, the racks are engaged with gears, and the gears are connected with driving motors in a transmission manner.

4. The intelligent lifting experiment table as recited in claim 3, wherein the driving motor is a servo motor with a band-type brake self-locking function.

5. The intelligent lifting experiment table as recited in claim 2, wherein electric push rods are connected to the bottom surfaces of the screen plate and the mounting plate at the lower end of the display screen in a transmission manner, and the lower ends of the electric push rods are fixedly mounted on the upper surface of the fixing plate.

6. The intelligent lifting experiment table as claimed in claim 1, wherein the outer walls of the left and right sides of the experiment table are respectively provided with a mounting assembly for mounting the detachable lifting cabinet, the mounting assembly comprises mounting blocks fixedly mounted on the outer walls of the left and right sides of the experiment table, the upper parts of the mounting blocks are respectively inserted with an insertion block through a mounting groove, the upper ends of the insertion blocks are fixedly mounted on the outer wall of the front side of the detachable lifting cabinet, the outer wall of the side of the mounting block far away from the experiment table is respectively provided with a mounting bolt in a penetrating manner, and the tail ends of the mounting bolts are respectively in threaded connection with the inner parts of the insertion blocks through mounting screw holes.

7. The intelligent lifting experiment table as recited in claim 1, wherein an LED strip is disposed on a front side of a bottom surface of the second mounting rod.

8. The intelligent lifting experiment table as recited in claim 1, wherein the left and right sides of the upper surface of the experiment table are provided with the preformed grooves.

9. The intelligent lifting laboratory table according to claim 1, wherein said rotating arm is driven by a servo motor having a reset function.