CN113446501A - Remote education system based on Internet and use method thereof - Google Patents

Remote education system based on Internet and use method thereof Download PDF

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Publication number
CN113446501A
CN113446501A CN202110739682.8A CN202110739682A CN113446501A CN 113446501 A CN113446501 A CN 113446501A CN 202110739682 A CN202110739682 A CN 202110739682A CN 113446501 A CN113446501 A CN 113446501A
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China
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plate
bevel gear
drives
sliding
box body
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CN202110739682.8A
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Chinese (zh)
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任秀英
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Individual
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Individual
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Priority to CN202110739682.8A priority Critical patent/CN113446501A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention relates to the technical field of remote education and discloses an internet-based remote education system and a using method thereof. The height and angle adjusting device is reasonable in design, the height and angle of the display panel for distance education are adjusted and fixed, so that the display panel can be conveniently used at different installation positions and according to use requirements, the teaching effect is guaranteed, the height and angle of the display panel are adjusted through the same motor, the display panel and the motor are convenient to switch, collision between gears in the switching process of the transmission mechanism is avoided, resources are saved, and the use is facilitated.

Description

Remote education system based on Internet and use method thereof
Technical Field
The invention relates to the technical field of remote education, in particular to an internet-based remote education system and a using method thereof.
Background
Internet education is a new education form combining internet science and technology with the education field along with the continuous development of current science and technology. Most of the current internet education is distance education, which is education delivering courses by audio, video (live or video) and computer technologies including real-time and non-real-time. Distance teaching is not very expensive and is not tied to geographical factors, which provides teaching opportunities in places where traditional education is difficult.
The prior patent document CN201922354470.9 discloses an internet-based distance education system, which is a transmission mechanism composed of two sets of independent motors, threaded rods, threaded sleeves and other components to respectively realize the adjustment of the height and angle of the display panel, so that the cost is greatly increased, and when the system is used in a large classroom, the display panel needs to be horizontally rotated to enable students to clearly see the content of the display panel, the prior art is difficult to meet the use requirements of different installation environments and different use requirements, and the practicability is poor; in addition, when a set of transmission mechanism is adopted to realize two adjusting functions of height and angle, the meshing state among the gears generally needs to be switched, the meshing degree of the gears needs to be ensured in the switching process, otherwise, the gears are easy to damage after long-term use, the service life of the device is shortened, and for example, the two conditions of incomplete meshing among the gears and mutual collision among the gears are adopted, so that a remote education system based on the internet and a using method thereof are provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects that the traditional display device is inconvenient to adjust the installation height and the display angle, is difficult to meet the use requirements of different installation environments and different use requirements and has poor practicability, and provides an internet-based remote education system and a use method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a remote education system based on the Internet comprises a mounting plate and a display panel, wherein mounting bolts are installed at four corners of the bottom of the mounting plate in a threaded mode, a fixing plate is fixedly installed at the bottom of the mounting plate, a box body is sleeved on the outer side of the fixing plate in a sliding mode, the inner walls of the front side and the rear side of the box body are rotatably provided with the same connecting shaft, a worm wheel and a first gear are fixedly installed on the connecting shaft, a mounting groove is formed in one side of the fixing plate, a first rack is fixedly installed in the mounting groove, the first gear is meshed with the first rack, a vertical plate is fixedly installed on the inner wall of the top of the box body, a transverse hole is formed in one side of the vertical plate, a worm is rotatably installed in the transverse hole and meshed with the worm wheel, a sliding groove is formed in the inner wall of the bottom of the box body, a sliding plate is slidably installed in the sliding groove, and a motor is fixedly installed at the top of the sliding plate, a first bevel gear is fixedly mounted on the output shaft of the motor, a second bevel gear is fixedly mounted at one end of the worm, the first bevel gear is meshed with the second bevel gear, one end of a screw rod is rotatably mounted on the inner wall of one side of the box body, a third bevel gear is fixedly mounted at the other end of the screw rod, the third bevel gear is matched with the first bevel gear, a sleeve plate is sleeved on the outer side of the screw rod in a threaded manner, one end of a mounting rod is fixedly mounted at the bottom of the sleeve plate, a second rack is fixedly mounted at the other end of the mounting rod, a transverse plate is fixedly mounted at one side of the display panel, one end of a vertical shaft is fixedly connected to the top of the transverse plate, the top end of the vertical shaft extends into the box body and is fixedly mounted with a second gear, the second gear is meshed with the second rack, a vertical groove is formed in the top of the sliding plate, and a connecting plate is slidably mounted in the vertical groove, the one end of connecting plate bottom fixedly connected with connecting rod, the other end fixed mounting of connecting rod has the pull ring, connecting plate top fixed mounting has the joint board, riser bottom fixed mounting has the locating plate, first draw-in groove and the second draw-in groove with the joint board adaptation are seted up to the locating plate bottom, the joint board clamps with first draw-in groove activity, two reset spring's of connecting plate bottom fixedly connected with one end, reset spring's other end fixed connection is on vertical tank bottom inner wall.
Preferably, a magnet and an electromagnet are respectively embedded in one side of the sliding plate and the inner wall of one side of the sliding groove corresponding to the side of the sliding plate, a speed measuring sensor is embedded in the inner wall of one side of the sliding groove, the box body is provided with the controller, the controller comprises a signal receiving and processing module and a control module, and the electromagnet, the speed measuring sensor and the motor are all connected with the controller, so that the first bevel gear is prevented from colliding with the second bevel gear or the third bevel gear due to the fact that the moving speed of the sliding plate is too high.
Preferably, one end of a guide rod is fixedly connected to the inner wall of one side of the box body, and the sleeve plate is slidably sleeved on the outer side of the guide rod to guide the sleeve plate to move transversely.
Preferably, the disc is fixedly sleeved on the outer side of the vertical shaft, a plurality of grooves are formed in the bottom of the disc, a plurality of balls are movably connected into the grooves, and the balls are connected with the inner wall of the bottom of the box in a rolling manner to support and limit the vertical shaft.
Preferably, a square plate is fixedly mounted on the inner wall of the top of the box body, and the square plate is rotatably sleeved on the outer side of the screw rod to rotatably position the screw rod.
Preferably, the bottom of the box body is fixedly provided with a vertical plate on the inner wall, one side of the vertical plate is fixedly connected with one end of a cross rod, and the sliding plate is sleeved on the outer side of the cross rod in a sliding manner to guide and limit the sliding plate.
Preferably, the slide top is connected with the one end of slide bar through the hinge rotation, slide bar outside slip cap machine has the sleeve, the sleeve rotates with the bottom of locating plate to be connected, just connecting spring's one end is installed to the other end of slide bar ancient, connecting spring's the other end and sleeve top inner wall fixed connection carry out assistance-localization real-time to the slide.
Preferably, a limiting plate is fixedly mounted on the inner wall of the other side of the box body, a limiting groove is formed in the other side of the fixing plate, and the limiting plate is connected with the limiting groove in a sliding mode to guide and limit the box body.
The invention also provides a using method of the remote education system based on the internet, which comprises the following steps:
s1: the mounting plate is fixedly mounted on the ceiling of the classroom through a mounting bolt;
s2: the motor is started, the motor output shaft drives the first bevel gear to rotate, the first bevel gear drives the worm to rotate through meshing with the second bevel gear, the worm drives the worm gear to rotate at a slow speed, the worm gear drives the first gear to rotate through the connecting shaft, the first gear drives the box body to do lifting motion through meshing with the first rack, the box body drives the display panel to do lifting motion through the vertical shaft and the transverse plate, and therefore the height of the display panel is adjusted so as to be conveniently adjusted to a proper use height for use, and the heights of the box body and the display panel are fixed through self-locking performance of transmission of the worm gear and the worm gear, so that the installation stability of the display panel is guaranteed;
s3: the pull ring is pulled to move downwards, the pull ring drives the connecting plate to move downwards through the connecting rod and compresses the reset spring, the connecting plate drives the clamping plate to move downwards, the clamping plate is separated from being clamped with the first clamping groove, then the pull ring is pulled to move towards one side away from the fixing plate, the pull ring drives the sliding plate to move towards one side through the connecting plate, the sliding plate drives the motor and the first bevel gear to move towards one side, the speed measuring sensor detects the moving speed of the sliding plate and transmits the moving speed information to the controller through the signal receiving and processing module, the signal receiving and processing module processes and judges whether the moving speed is greater than a set threshold value or not, when the moving speed is greater than the set threshold value, the control module switches on the power supply of the electromagnet to enable the electromagnet to have magnetism repulsive to the magnet, and adjusts the magnitude of the switched-in current according to the moving speed, so that the magnetic field intensity is changed according to the moving speed, the first bevel gear and the third bevel gear are prevented from colliding due to the fact that the sliding plate moves too fast, the first bevel gear is meshed with the third bevel gear, then the pull ring is loosened, the connecting plate is reset to move upwards under the elastic force of the reset spring, the clamping plate is clamped into the second clamping groove, and the sliding plate and the motor are fixed;
s4: then the motor is started, the motor output shaft drives the first bevel gear to rotate, the first bevel gear drives the third bevel gear to rotate, the third bevel gear drives the screw rod to rotate, the screw rod drives the sleeve plate to move transversely under the guiding action of the guide rod through matching with the threads of the sleeve plate, the sleeve plate drives the second rack to move transversely through the installation rod, the second rack drives the vertical shaft to rotate through meshing with the second gear, the vertical shaft drives the display panel to rotate through the transverse plate, and therefore the display angle of the display panel is adjusted, and the display angle is convenient to adapt to watching and teaching at different angles.
Compared with the prior art, the invention provides the internet-based remote education system and the using method thereof, and the internet-based remote education system has the following beneficial effects:
(1) the height of the remote education display panel is adjusted and fixed, so that the remote education display panel can be conveniently used at different installation positions and according to use requirements;
(2) the angle of the remote education display panel is adjusted and fixed, so that the remote education display panel is convenient to watch at different angles, and the teaching effect is ensured;
(3) the height and angle of the display panel are adjusted by the same motor, and the display panel and the motor are convenient to switch, so that resources are saved and the use is facilitated;
(4) through the arrangement of the speed measuring sensor and the electromagnet, the magnetic field intensity of the electromagnet can be changed according to the moving speed of the sliding plate, the first bevel gear and the third bevel gear are prevented from colliding due to the fact that the moving speed of the sliding plate is too high in the switching process of the transmission mechanism, and the smoothness of the sliding plate in moving is guaranteed through a set speed threshold value.
The height and angle adjusting device is reasonable in design, the height and angle of the display panel for distance education are adjusted and fixed, so that the display panel can be conveniently used at different installation positions and according to use requirements, the teaching effect is guaranteed, the height and angle of the display panel are adjusted through the same motor, the display panel and the motor can be conveniently switched, mutual collision between gears can be avoided, resources are saved, and the use is facilitated.
Drawings
Fig. 1 is a schematic front view showing an internet-based distance education system according to the present invention;
fig. 2 is a sectional view of an internet-based distance education system according to the present invention;
fig. 3 is a schematic structural view of a part a of an internet-based distance education system according to the present invention;
fig. 4 is a schematic structural view of part B of an internet-based distance education system according to the present invention;
fig. 5 is a schematic structural view of part C of an internet-based distance education system according to the present invention.
In the figure: 1. mounting a plate; 2. a display panel; 3. a box body; 4. a fixing plate; 5. a first rack; 6. a connecting shaft; 7. a worm gear; 8. a first gear; 9. a worm; 10. a vertical plate; 11. a first bevel gear; 12. a second bevel gear; 13. a third bevel gear; 14. a slide plate; 15. a motor; 16. a screw rod; 17. a limiting plate; 18. a disc; 19. a second gear; 20. a second rack; 21. a transverse plate; 22. a vertical axis; 23. a vertical groove; 24. a connecting plate; 25. a clamping and connecting plate; 26. a pull ring; 27. a limiting groove; 28. a square plate; 29. sheathing; 30. a guide bar; 31. a first card slot; 32. a second card slot; 33. positioning a plate; 34. a sleeve; 35. a slide bar; 36. a connecting spring; 37. a cross bar; 38. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, an internet-based distance education system comprises a mounting plate 1 and a display panel 2, wherein mounting bolts are installed at four corners of the bottom of the mounting plate 1 in a threaded manner, a fixing plate 4 is fixedly installed at the bottom of the mounting plate 1, a box body 3 is sleeved outside the fixing plate 4 in a sliding manner, a same connecting shaft 6 is installed on inner walls of the front side and the rear side of the box body 3 in a rotating manner, a worm wheel 7 and a first gear 8 are fixedly installed on the connecting shaft 6, a mounting groove is formed in one side of the fixing plate 4, a first rack 5 is fixedly installed in the mounting groove, the first gear 8 is meshed with the first rack 5, a vertical plate 10 is fixedly installed on the inner wall of the top of the box body 3, a transverse hole is formed in one side of the vertical plate 10, a worm 9 is rotatably installed in the transverse hole, the worm 9 is meshed with the worm wheel 7, a sliding groove is formed in the inner wall of the bottom of the box body 3, and a sliding plate 14 is installed in the sliding manner, a motor 15 is fixedly installed at the top of the sliding plate 14, a first bevel gear 11 is fixedly installed on an output shaft of the motor 15, a second bevel gear 12 is fixedly installed at one end of the worm 9, the first bevel gear 11 is engaged with the second bevel gear 12, one end of a screw rod 16 is rotatably installed on the inner wall of one side of the box body 3, a third bevel gear 13 is fixedly installed at the other end of the screw rod 16, the third bevel gear 13 is matched with the first bevel gear 11, a sleeve plate 29 is sleeved on the outer side of the screw rod 16 through threads, one end of an installation rod is fixedly installed at the bottom of the sleeve plate 29, a second rack 20 is fixedly installed at the other end of the installation rod, a transverse plate 21 is fixedly installed at one side of the display panel 2, one end of a vertical shaft 22 is fixedly connected to the top of the transverse plate 21, the top end of the vertical shaft 22 extends to the inside of the box body 3 and is fixedly installed with a second gear 19, the second gear 19 is engaged with the second rack 20, a vertical groove 23 is formed at the top of the sliding plate 14, sliding mounting has connecting plate 24 in vertical groove 23, and the one end of connecting plate 24 bottom fixedly connected with connecting rod, the other end fixed mounting of connecting rod has pull ring 26, and connecting plate 24 top fixed mounting has joint board 25, riser 10 bottom fixed mounting has locating plate 33, and first draw-in groove 31 and second draw-in groove 32 with joint board 25 adaptation are seted up to locating plate 33 bottom, joint board 25 clamps with first draw-in groove 31 activity, 24 bottom fixedly connected with two reset spring 38's of connecting plate one end, reset spring 38's other end fixed connection is on vertical groove 23 bottom inner wall.
In this embodiment, magnet and electromagnet are respectively embedded in one side of slide 14 and the corresponding inner wall of one side of the slide, speed sensor is embedded in the inner wall of one side of the slide, the controller is installed on the box 3, the controller comprises a signal receiving and processing module and a control module, the electromagnet, the speed sensor and the motor 15 are all connected with the controller, in the process of moving the slide 14, the moving speed V of the slide 14 is detected through the speed sensor, the moving speed information is transmitted to the controller through the signal receiving and processing module, and the signal receiving and processing module processes and judges whether the moving speed is greater than a set safety speed threshold V or not0When V is>V0Time, control moduleThe power supply of the electromagnet is switched on to enable the electromagnet to have magnetism which is repellent to or the same as that of the magnet, and the following rule is satisfied between the switched-on current and the moving speed: the magnitude of the input current I is proportional to the difference δ V between the moving speed and the safety speed threshold, where δ V is V-VOThat is, the magnitude of the access current can be adjusted according to the magnitude of the moving speed, so that the magnetic field intensity is changed according to the moving speed when V is<V0And the device does not act, so that the device can avoid the first bevel gear 11 from colliding with the third bevel gear 13 or the second bevel gear 12 due to the fact that the sliding plate 14 moves at an excessively high speed, and the smoothness of the movement of the sliding plate 14 is ensured through a set safety speed threshold value.
In this embodiment, one end of the guide rod 30 is fixedly connected to the inner wall of one side of the box body 3, and the sleeve plate 29 is slidably sleeved outside the guide rod 30 to guide the sleeve plate 29 to move transversely.
In this embodiment, the fixed disk 18 that has cup jointed in the vertical axis 22 outside, a plurality of recesses have been seted up to disk 18 bottom, and equal swing joint has the ball in a plurality of recesses, and the ball supports spacingly with 3 bottom inner walls rolling connection of box to vertical axis 22.
In this embodiment, a square plate 28 is fixedly installed on the inner wall of the top of the box body 3, and the square plate 28 is rotatably sleeved on the outer side of the screw rod 16 to rotatably position the screw rod 16.
In this embodiment, there is a riser fixed mounting on the inner wall in box 3 bottom, riser one side fixedly connected with horizontal pole 37's one end, slide 14 slides and cup joints in the outside of horizontal pole 37, and it is spacing to lead slide 14.
In this embodiment, the top of the sliding plate 14 is rotatably connected with one end of a sliding rod 35 through a hinge, a sleeve 34 is arranged on the outer side of the sliding rod 35 in a sliding manner, the sleeve 34 is rotatably connected with the bottom of the positioning plate 33, one end of a connecting spring 36 is arranged at the other end of the sliding rod 35, and the other end of the connecting spring 36 is fixedly connected with the inner wall of the top of the sleeve 34 to assist in positioning the sliding plate 14.
In this embodiment, fixed mounting has limiting plate 17 on the inner wall of box 3 opposite side, spacing groove 27 has been seted up to fixed plate 4 opposite side, and limiting plate 17 and spacing groove 27 sliding connection lead spacingly to box 3.
The embodiment also provides a using method of the internet-based remote education system, which comprises the following steps:
s1: the mounting plate 1 is fixedly mounted on a ceiling of a classroom through a mounting bolt;
s2: the motor 15 is started, an output shaft of the motor 15 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the worm 9 to rotate through meshing with the second bevel gear 12, the worm 9 drives the worm wheel 7 to rotate at a slow speed, the worm wheel 7 drives the first gear 8 to rotate through the connecting shaft 6, the first gear 8 drives the box body 3 to do lifting motion through meshing with the first rack 5, the box body 3 drives the display panel 2 to do lifting motion through the vertical shaft 22 and the transverse plate 21, so that the height of the display panel 2 is adjusted, the proper use height is conveniently adjusted for use, and the heights of the box body 3 and the display panel 2 are fixed through the self-locking property of the transmission of the worm 9 and the worm wheel 7, and the installation stability of the display panel is ensured;
s3: by pulling the pull ring 26 to move downwards, the pull ring 26 drives the connecting plate 24 to move downwards through the connecting rod and compress the return spring 38, the connecting plate 24 drives the clamping plate 25 to move downwards, so that the clamping plate 25 is separated from the clamping with the first clamping groove 31, then the pull ring 26 is pulled to move towards one side far away from the fixing plate 4, the pull ring 26 drives the sliding plate 14 to move towards one side through the connecting plate 24, the sliding plate 14 drives the motor 15 and the first bevel gear 11 to move towards one side, the speed sensor detects the moving speed of the sliding plate 14 and transmits the moving speed information to the controller through the signal receiving and processing module, the signal receiving and processing module processes and judges whether the moving speed is greater than a set threshold value, when the moving speed is greater than the set threshold value, the control module switches on the power supply of the electromagnet to enable the electromagnet to have magnetism repellent with the magnet, and adjusts the magnitude of the access current according to the magnitude of the moving speed, the magnetic field intensity is changed according to the moving speed, so that the first bevel gear 11 and the third bevel gear 13 are prevented from colliding due to the fact that the sliding plate 14 moves too fast, the first bevel gear 11 and the third bevel gear 13 are meshed, then the pull ring 26 is loosened, the connecting plate 24 is reset to move upwards under the elastic force of the reset spring 38, the clamping plate 25 is clamped into the second clamping groove 32, and the sliding plate 14 and the motor 15 are fixed;
s4: then the motor 15 is started, the output shaft of the motor 15 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the third bevel gear 13 to rotate, the third bevel gear 13 drives the screw rod 16 to rotate, the screw rod 16 is matched with the screw thread of the sleeve plate 29 and drives the sleeve plate 29 to move transversely under the guiding action of the guide rod 30, the sleeve plate 29 drives the second rack 20 to move transversely through the mounting rod, the second rack 20 drives the vertical shaft 22 to rotate through meshing with the second gear 19, the vertical shaft 22 drives the display panel 2 to rotate through the transverse plate 21, and therefore the display angle of the display panel 2 is adjusted so as to be suitable for watching and teaching at different angles.
The working principle is as follows: the output shaft of the motor 15 drives the first bevel gear 11 to rotate, the first bevel gear 11 drives the worm 9 to rotate through meshing with the second bevel gear 12, the worm 9 drives the worm wheel 7 to rotate at a slow speed, the worm wheel 7 drives the first gear 8 to rotate through the connecting shaft 6, the first gear 8 drives the box body 3 to do lifting motion through meshing with the first rack 5, the box body 3 drives the display panel 2 to do lifting motion through the vertical shaft 22 and the transverse plate 21, so that the height of the display panel 2 is adjusted to be suitable for use, the heights of the box body 3 and the display panel 2 are fixed through the self-locking property of the worm 9 and the worm wheel 7 transmission, the installation stability of the box body and the display panel 2 is ensured, when the horizontal angle needs to be adjusted, the pull ring 26 is pulled to move downwards, the pull ring 26 drives the connecting plate 24 to move downwards through the connecting rod and compresses the return spring 38, the connecting plate 24 drives the clamping plate 25 to move downwards, so that the clamping plate 25 is separated from the clamping with the first clamping groove 31, then the pull ring 26 is pulled to move towards one side far away from the fixing plate 4, the pull ring 26 drives the sliding plate 14 to move towards one side through the connecting plate 24, the sliding plate 14 drives the motor 15 and the first bevel gear 11 to move towards one side, the moving speed of the sliding plate 14 is detected through the speed measurement sensor, moving speed information is transmitted to the controller through the signal receiving and processing module, the signal receiving and processing module processes and judges whether the moving speed is greater than a set threshold value, when the moving speed is greater than the set threshold value, the control module switches on a power supply of an electromagnet to enable the electromagnet to have magnetism repulsive to the magnet, and adjusts the magnitude of an access current according to the magnitude of the moving speed, so that the magnetic field intensity is changed according to the moving speed, and the first bevel gear 11 is prevented from colliding with the third bevel gear 13 due to the excessively high moving speed of the sliding plate 14, the first bevel gear 11 is engaged with the third bevel gear 13, then the pull ring 26 is released, the connecting plate 24 is reset to move upwards under the elastic force of the reset spring 38, and the snap-in plate 25 is snapped into the second snap groove 32, fixing the sliding plate 14 and the motor 15, then starting the motor 15, driving the first bevel gear 11 to rotate by the output shaft of the motor 15, driving the third bevel gear 13 to rotate by the first bevel gear 11, driving the screw rod 16 to rotate by the third bevel gear 13, driving the sleeve plate 29 to move transversely by the screw rod 16 matching with the thread of the sleeve plate 29 and under the guiding action of the guiding rod 30, driving the second rack 20 to move transversely by the sleeve plate 29 through the mounting rod, driving the vertical shaft 22 to rotate by the second rack 20 meshing with the second gear 19, driving the display panel 2 to rotate by the vertical shaft 22 through the transverse plate 21, thereby adjusting the display angle of the display panel 2 so as to adapt to viewing and teaching at different angles.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Claims (9)

1. The remote education system based on the Internet comprises a mounting plate (1) and a display panel (2) and is characterized in that mounting bolts are installed at four corners of the bottom of the mounting plate (1) in a threaded mode, a fixing plate (4) is fixedly installed at the bottom of the mounting plate (1), a box body (3) is sleeved on the outer side of the fixing plate (4) in a sliding mode, the inner walls of the front side and the rear side of the box body (3) are rotatably provided with a same connecting shaft (6), a worm wheel (7) and a first gear (8) are fixedly installed on the connecting shaft (6), a mounting groove is formed in one side of the fixing plate (4), a first rack (5) is fixedly installed in the mounting groove, the first gear (8) is meshed with the first rack (5), a vertical plate (10) is fixedly installed on the inner wall of the top of the box body (3), and a transverse hole is formed in one side of the vertical plate (10), a worm (9) is rotatably installed in the transverse hole, the worm (9) is meshed with a worm wheel (7), a sliding groove is formed in the inner wall of the bottom of the box body (3), a sliding plate (14) is slidably installed in the sliding groove, a motor (15) is fixedly installed at the top of the sliding plate (14), a first bevel gear (11) is fixedly installed on an output shaft of the motor (15), a second bevel gear (12) is fixedly installed at one end of the worm (9), the first bevel gear (11) is meshed with the second bevel gear (12), one end of a screw rod (16) is rotatably installed on the inner wall of one side of the box body (3), a third bevel gear (13) is fixedly installed at the other end of the screw rod (16), the third bevel gear (13) is matched with the first bevel gear (11), a sleeve plate (29) is sleeved on the outer side of the screw rod (16), and one end of a mounting rod is fixedly installed at the bottom of the sleeve plate (29), the other end fixed mounting of installation pole has second rack (20), display panel (2) one side fixed mounting has diaphragm (21), the one end of diaphragm (21) top fixedly connected with vertical shaft (22), vertical shaft (22) top extends to the inside of box (3) and fixed mounting has second gear (19), second gear (19) meshes with second rack (20) mutually, vertical groove (23) have been seted up at slide (14) top, slidable mounting has connecting plate (24) in vertical groove (23), the one end of connecting rod is fixedly connected with in connecting plate (24) bottom, the other end fixed mounting of connecting rod has pull ring (26), connecting plate (24) top fixed mounting has joint board (25), riser (10) bottom fixed mounting has locating plate (33), first draw-in groove (31) and second draw-in groove (32) with joint board (25) adaptation are seted up to locating plate (33) bottom, the clamping plate (25) is movably clamped with the first clamping groove (31), one end of a return spring (38) is fixedly connected to the bottom of the connecting plate (24), and the other end of the return spring (38) is fixedly connected to the inner wall of the bottom of the vertical groove (23).
2. The internet-based distance education system of claim 1, wherein a magnet and an electromagnet are respectively embedded in one side of the sliding plate (14) and the inner wall of the corresponding sliding chute, a speed sensor is embedded in the inner wall of the sliding chute, the box body (3) is provided with a controller, the controller comprises a signal receiving and processing module and a control module, and the electromagnet, the speed sensor and the motor (15) are all connected with the controller.
3. An internet-based distance education system as claimed in claim 1 wherein, one end of the guiding rod (30) is fixedly connected to the inner wall of one side of the case (3), and the strap (29) is slidably sleeved on the outer side of the guiding rod (30).
4. The internet-based distance education system of claim 1, wherein the disc (18) is fixedly sleeved outside the vertical shaft (22), a plurality of grooves are formed in the bottom of the disc (18), balls are movably connected in the grooves, and the balls are in rolling connection with the inner wall of the bottom of the box body (3).
5. An internet-based distance education system according to claim 1 characterized in that the inner wall of the top of the box body (3) is fixedly installed with a square plate (28), and the square plate (28) is rotatably sleeved outside the screw rod (16).
6. The internet-based distance education system of claim 1, wherein the inner wall of the bottom of the box body (3) is fixedly provided with a vertical plate, one side of the vertical plate is fixedly connected with one end of a cross rod (37), and the sliding plate (14) is slidably sleeved on the outer side of the cross rod (37).
7. An internet-based distance education system according to claim 1, wherein the top of the sliding plate (14) is rotatably connected with one end of a sliding rod (35) through a hinge, the sliding rod (35) is sleeved with a sleeve (34) in a sliding manner, the sleeve (34) is rotatably connected with the bottom of the positioning plate (33), one end of a connecting spring (36) is installed at the other end of the sliding rod (35), and the other end of the connecting spring (36) is fixedly connected with the inner wall of the top of the sleeve (34).
8. The internet-based distance education system of claim 1, wherein a limiting plate (17) is fixedly mounted on the inner wall of the other side of the box body (3), a limiting groove (27) is formed in the other side of the fixing plate (4), and the limiting plate (17) is slidably connected with the limiting groove (27).
9. A method for using an internet-based distance education system, comprising the steps of:
s1: the mounting plate (1) is fixedly mounted on a ceiling of a classroom through a mounting bolt;
s2: the motor (15) is started, the output shaft of the motor (15) drives the first bevel gear (11) to rotate, the first bevel gear (11) drives the worm (9) to rotate through meshing with the second bevel gear (12), the worm (9) drives the worm wheel (7) to rotate at a slow speed, the worm wheel (7) drives the first gear (8) to rotate through the connecting shaft (6), the first gear (8) drives the box body (3) to do lifting motion through meshing with the first rack (5), the box body (3) drives the display panel (2) to do lifting motion through the vertical shaft (22) and the transverse plate (21), thereby adjusting the height of the display panel (2) to be convenient for adjusting to a proper using height for use, the heights of the box body (3) and the display panel (2) are fixed through the self-locking property of the transmission of the worm (9) and the worm wheel (7) so as to ensure the installation stability of the box body;
s3: the pull ring (26) is pulled to move downwards, the pull ring (26) drives the connecting plate (24) to move downwards through the connecting rod and compress the return spring (38), the connecting plate (24) drives the clamping plate (25) to move downwards, the clamping plate (25) is separated from clamping connection with the first clamping groove (31), then the pull ring (26) is pulled to move towards one side far away from the fixing plate (4), the pull ring (26) drives the sliding plate (14) to move towards one side through the connecting plate (24), the sliding plate (14) drives the motor (15) and the first bevel gear (11) to move towards one side, the speed measuring sensor detects the moving speed of the sliding plate (14) and transmits the moving speed information to the controller through the signal receiving and processing module, the signal receiving and processing module processes and judges whether the moving speed is greater than a set threshold value or not, when the moving speed is greater than the set threshold value, the control module switches on the power supply of the electromagnet to enable the electromagnet to have magnetism repellent to the magnet, the magnitude of the access current is adjusted according to the magnitude of the moving speed, so that the magnetic field intensity is changed according to the moving speed, the first bevel gear (11) and the third bevel gear (13) are prevented from colliding due to the fact that the moving speed of the sliding plate (14) is too high, the first bevel gear (11) is meshed with the third bevel gear (13), then the pull ring (26) is loosened, the connecting plate (24) is reset to move upwards under the elastic force action of the reset spring (38), the clamping plate (25) is clamped into the second clamping groove (32), and the sliding plate (14) and the motor (15) are fixed;
s4: then the motor (15) is started, an output shaft of the motor (15) drives the first bevel gear (11) to rotate, the first bevel gear (11) drives the third bevel gear (13) to rotate, the third bevel gear (13) drives the screw rod (16) to rotate, the screw rod (16) is matched with the screw thread of the sleeve plate (29) and drives the sleeve plate (29) to move transversely under the guiding action of the guide rod (30), the sleeve plate (29) drives the second rack (20) to move transversely through the mounting rod, the second rack (20) drives the vertical shaft (22) to rotate through meshing with the second gear (19), and the vertical shaft (22) drives the display panel (2) to rotate through the transverse plate (21), so that the display angle of the display panel (2) is adjusted to adapt to watching and teaching at different angles.
CN202110739682.8A 2021-06-30 2021-06-30 Remote education system based on Internet and use method thereof Pending CN113446501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110739682.8A CN113446501A (en) 2021-06-30 2021-06-30 Remote education system based on Internet and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110739682.8A CN113446501A (en) 2021-06-30 2021-06-30 Remote education system based on Internet and use method thereof

Publications (1)

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CN113446501A true CN113446501A (en) 2021-09-28

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CN202110739682.8A Pending CN113446501A (en) 2021-06-30 2021-06-30 Remote education system based on Internet and use method thereof

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Country Link
CN (1) CN113446501A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811308A (en) * 2022-04-27 2022-07-29 北京澳丰源科技有限公司 Radar cloud platform
CN116518257A (en) * 2023-05-25 2023-08-01 广东嘀嗒酷显柔性显示技术股份有限公司 Lifting rotary support and multimedia equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114811308A (en) * 2022-04-27 2022-07-29 北京澳丰源科技有限公司 Radar cloud platform
CN114811308B (en) * 2022-04-27 2023-07-25 北京澳丰源科技有限公司 Radar cradle head
CN116518257A (en) * 2023-05-25 2023-08-01 广东嘀嗒酷显柔性显示技术股份有限公司 Lifting rotary support and multimedia equipment

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