CN112944168A - Intelligent online teaching projection device for management and system thereof - Google Patents
Intelligent online teaching projection device for management and system thereof Download PDFInfo
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- CN112944168A CN112944168A CN202110217819.3A CN202110217819A CN112944168A CN 112944168 A CN112944168 A CN 112944168A CN 202110217819 A CN202110217819 A CN 202110217819A CN 112944168 A CN112944168 A CN 112944168A
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- 238000004804 winding Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 229910000639 Spring steel Inorganic materials 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 13
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
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Classifications
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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
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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
- 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
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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
- 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
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses an intelligent online teaching projection device for management and a system thereof, comprising a fixed box, a driving motor, a cooling fan and a projector, wherein the driving motor is fixedly arranged on the inner side wall of the fixed box, the tail end of an output shaft of the driving motor is fixedly connected with a threaded rod, the tail end of the threaded rod is rotatably connected with the inner side wall of the fixed box, the outer side wall of the threaded rod is rotatably connected with a positioning block, the outer side wall of the fixed box is provided with a positioning groove, the positioning block penetrates through the positioning groove, the tail end of the positioning block is fixedly connected with an installation box, the outer side wall of the fixed box is fixedly connected with a winding box, the limiting plate and a sound-absorbing plate can absorb noise generated when the cooling fan and the projector work, the class listening efficiency of students is ensured, and a spring arranged on the outer side wall of the vibration-absorbing rod can absorb, thereby greatly prolonging the service life of the projector.
Description
Technical Field
The invention relates to the technical field of on-line teaching projection, in particular to an intelligent on-line teaching projection device for management and a system thereof.
Background
On-line education, i.e., distance education, refers to the performance of educational activities across a geographic space, and distance education involves a variety of educational activities, including lectures, discussions and practices. The method overcomes the limitations of the traditional education in the aspects of space, time, age of educators, education environment and the like, brings a brand-new learning mode, and can make the traditional education change greatly along with the improvement of informatization and networking levels. The teaching projector is also called a micro projector, a teacher projector and a palm projector, and the traditional huge projector is exquisite, portable, miniaturized, entertaining and practical, so that the projection technology is closer to life and entertainment.
Traditional teaching projecting apparatus generally all hangs on the roof, thereby cause the potential safety hazard easily, expose in the air for a long time, dust and moisture in the air can enter into the inside of projecting apparatus, and the projecting apparatus can produce a large amount of heats in the course of the work, can make the life greatly reduced of projecting apparatus owing to lacking initiative heat abstractor, the noise that the projecting apparatus during operation produced can influence the teaching quality, winding phenomenon appears easily in its outside connecting wire of in-process that goes up and down in the projecting apparatus simultaneously, consequently, need a teaching projecting apparatus and system on intelligent line for management.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an intelligent online teaching projection device for management and a system thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a teaching projection arrangement on intelligent line for management science, includes fixed case, driving motor, radiator fan, projecting apparatus, driving motor fixed mounting is on the inside wall of fixed case, driving motor's the terminal fixedly connected with threaded rod of output shaft, the end of threaded rod rotates with the inside wall of fixed case to be connected, it is connected with the locating piece to rotate on the lateral wall of threaded rod, the constant head tank has been seted up on the lateral wall of fixed case, the locating piece runs through the constant head tank, the terminal fixedly connected with install bin of locating piece, fixedly connected with wire winding box on the lateral wall of fixed case, it is connected with wire winding mechanism to rotate on the inside wall of wire winding box.
Preferably, the air inlet duct has been seted up on the inside wall of install bin, install the filter screen on the inside wall of air inlet duct, radiator fan fixed mounting is on the inside wall of install bin, a plurality of abatvoix of fixedly connected with on the inside wall of install bin, the radiating groove has been seted up on the lateral wall of install bin, a plurality of gag lever posts of fixedly connected with on the inside wall of radiating groove, it is connected with stop gear to rotate on the lateral wall of gag lever post, symmetry fixedly connected with shock attenuation pole on the inside wall of install bin, common sliding connection has the backup pad on the lateral wall of shock attenuation pole, fixedly connected with spring on the lateral wall of shock attenuation pole, the terminal of spring and the lateral wall fixed connection of backup pad, the projector is placed on the lateral wall of backup pad.
Preferably, the outer side wall of spring and shock attenuation pole is around establishing, the material of spring is the spring steel.
Preferably, the mechanism of winding includes the transfer line of rotation connection on the winding box inside wall, fixedly connected with reel on the lateral wall of transfer line, the end of transfer line runs through the lateral wall of winding box and the lateral wall of fixed case in proper order, the first bevel gear of terminal fixedly connected with of transfer line, fixedly connected with second bevel gear on the lateral wall of threaded rod, first bevel gear meshes with second bevel gear mutually, fixedly connected with connecting wire on the lateral wall of projecting apparatus, connecting wire runs through the lateral wall of install bin and the lateral wall of winding box in proper order, connecting wire is around establishing with the lateral wall of reel, symmetry fixedly connected with dead lever on the lateral wall of reel, connecting wire offsets tightly with the lateral wall of dead lever.
Preferably, the limiting mechanism comprises a limiting plate rotatably connected to the inner side wall of the limiting rod, the outer side wall of the heat dissipation groove is symmetrically and fixedly connected with limiting blocks, and the limiting plate is abutted to the outer side wall of the limiting block.
Preferably, the bottom of the fixed box is fixedly provided with a supporting base, and the outer side wall of the supporting base is fixedly provided with universal wheels.
Preferably, the inner diameter of the positioning block is larger than the outer diameter of the threaded rod, and the inner thread of the positioning block is matched with the outer thread of the threaded rod.
Preferably, the limiting plate and the sound-absorbing plate are made of polyester fibers.
An intelligent online teaching projection system for management comprises a central processing module, a computer data synchronous control module, a sound input module, a wireless transmission module, a classroom recording module, a sound playing module and a projection module, wherein the central processing module is installed inside a projector, the computer data synchronous control module is installed inside the projector, the computer data synchronous control module is electrically connected with the central processing module, and the computer data synchronous control module can be used for carrying out real-time synchronization on data in a computer, so that sound and image quality can be synchronously played during teaching; the sound input module is arranged in the projector and electrically connected with the central processing module, and can be used for collecting the sound of students during teaching and conveniently uploading the sound to a network to facilitate the answering of teachers; the wireless transmission module is arranged in the projector and electrically connected with the central processing module, and can upload projected data to a network in real time, so that the viewing timeliness of students is guaranteed; the classroom recording module is arranged in the projector and electrically connected with the central processing module, and comprises a classroom attendance module, a classroom questioning module and a classroom feedback module, so that the attendance rate of students can be recorded, questioning and post-class feedback can be performed on students and teachers, and the improvement of the teachers and the students is facilitated; the sound playing module is arranged in the projector and is electrically connected with the central processing module, the sound playing module plays projected sound, the projection module is arranged in the projector and is electrically connected with the central processing module, pictures can be projected through the projection module, so that more students can watch the pictures, the central processing module is electrically connected with the driving motor, the driving motor can start to work through the central processing module, the driving motor can move the mounting box up and down in the working process, so as to adjust the position of the projector, the central processing module is electrically connected with the cooling fan, the cooling fan starts to work through the central processing module, and the cooling fan rotates to cool the projector, avoid the long-term high temperature of projecting apparatus to lead to life to reduce by a wide margin, classroom discussion module installs in the inside of projecting apparatus, be electric connection between classroom discussion module and the central processing module, include role play module, classroom case collective analysis module and sight analog module in the classroom discussion module to can be personally on the scene to student, can be better teach.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can be quickly moved through the universal wheel arranged at the bottom of the supporting base, the driving motor is started, the output shaft of the driving motor drives the threaded rod to start rotating, the threaded rod can enable the positioning block to start moving in the rotating process, the positioning block drives the mounting box to start moving, the position of the projector is further adjusted, potential safety hazards caused by the fact that the projector is hung on a roof are avoided, the radiating fan is started in the working process of the projector, the radiating fan rotates to radiate the projector, damage caused by overhigh temperature of the projector is avoided, meanwhile, the limiting plate can rotate clockwise by wind power generated by the rotation of the radiating fan to open the radiating groove, the limiting plate and the sound-absorbing plate can absorb noise generated when the radiating fan and the projector work, the class listening efficiency of students is ensured, and the spring arranged on the outer side wall of the shock-absorbing rod can absorb vibration generated in the moving process of the device, thereby greatly prolonging the service life of the projector.
2. Make second bevel gear begin to rotate at threaded rod pivoted in-process, second bevel gear rotates and makes first bevel gear begin to rotate, thereby make the reel begin to rotate, the reel rotates and winds connecting wire and establishes, avoid the projecting apparatus winding to appear and even break off at the in-process connecting wire that goes up and down, after the teaching, the limiting plate loses outside impact force, self gravity makes its anticlockwise rotation realize the closure to the radiating groove, avoid external dust rainwater to get into the inside of fixed case, cause the damage to the inside components and parts of fixed case.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent online teaching projection device for management and a system thereof according to the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of portion A of the present invention;
FIG. 4 is an enlarged view of portion B of the present invention;
FIG. 5 is an enlarged view of portion C of the present invention;
fig. 6 is a block diagram of the system of the present invention.
In the figure: the device comprises a fixed box 1, a driving motor 2, a threaded rod 3, a positioning groove 4, a positioning block 5, an installation box 6, a connecting wire 7, a supporting base 8, a cooling fan 9, a sound absorption board 10, a heat dissipation groove 11, a projector 12, a winding box 13, a transmission rod 14, a winding wheel 15, a fixing rod 16, a first bevel gear 17, a second bevel gear 18, a limiting rod 19, a limiting plate 20, a limiting block 21, a damping rod 22, a spring 23, a supporting plate 24, a central processing module 25, a computer data synchronous control module 26, a sound recording module 27, a wireless transmission module 28, a classroom recording module 29, a sound playing module 30, an air inlet groove 31, a projection module 32 and a classroom discussion module 33.
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.
Referring to fig. 1-6, an intelligent online teaching projection device for management comprises a fixed box 1, a driving motor 2, a cooling fan 9 and a projector 12, wherein the driving motor 2 is fixedly arranged on the inner side wall of the fixed box 1, the tail end of an output shaft of the driving motor 2 is fixedly connected with a threaded rod 3, the tail end of the threaded rod 3 is rotatably connected with the inner side wall of the fixed box 1, the outer side wall of the threaded rod 3 is rotatably connected with a positioning block 5, the inner diameter of the positioning block 5 is larger than the outer diameter of the threaded rod 3, the inner thread of the positioning block 5 is matched with the outer thread of the threaded rod 3, the outer side wall of the fixed box 1 is provided with a positioning groove 4, the positioning block 5 penetrates through the positioning groove 4, the tail end of the positioning block 5 is fixedly connected with an installation box 6, the inner side wall of the installation box 6 is, the inside wall of the installation box 6 is fixedly connected with a plurality of sound-absorbing boards 10, the limiting plates 20 and the sound-absorbing boards 10 are made of polyester fibers, so that noise can be absorbed, the bottom of the fixed box 1 is fixedly provided with a supporting base 8, the outside wall of the supporting base 8 is fixedly provided with universal wheels, and the device can be rapidly moved through the universal wheels;
the outer side wall of the installation box 6 is provided with a heat dissipation groove 11, the inner side wall of the heat dissipation groove 11 is fixedly connected with a plurality of limiting rods 19, the outer side wall of each limiting rod 19 is rotatably connected with a limiting mechanism, each limiting mechanism comprises a limiting plate 20 rotatably connected to the inner side wall of the corresponding limiting rod 19, the outer side wall of each heat dissipation groove 11 is symmetrically and fixedly connected with a limiting block 21, the limiting plates 20 are abutted against the outer side walls of the limiting blocks 21, the heat dissipation grooves 11 can be opened and closed through the limiting mechanisms, and external dust rainwater is prevented from entering the fixed box 1 and damaging components inside the fixed box 1;
the shock absorption rod 22 is symmetrically and fixedly connected to the inner side wall of the installation box 6, the support plate 24 is connected to the outer side wall of the shock absorption rod 22 in a sliding mode, the spring 23 is fixedly connected to the outer side wall of the shock absorption rod 22, the tail end of the spring 23 is fixedly connected with the outer side wall of the support plate 24, the spring 23 and the outer side wall of the shock absorption rod 22 are arranged in a winding mode, the spring 23 is made of spring steel, the spring steel has high tensile strength, elastic limit, fatigue strength and good flexibility, therefore, when external force is applied, the shock absorption effect is achieved through shrinkage, and the projector 12 is placed on the outer side wall of the support plate;
the outer side wall of the fixed box 1 is fixedly connected with a winding box 13, the inner side wall of the winding box 13 is rotatably connected with a winding mechanism, the winding mechanism comprises a transmission rod 14 rotatably connected to the inner side wall of the winding box 13, the outer side wall of the transmission rod 14 is fixedly connected with a reel 15, the tail end of the transmission rod 14 sequentially penetrates through the outer side wall of the winding box 13 and the outer side wall of the fixed box 1, the tail end of the transmission rod 14 is fixedly connected with a first bevel gear 17, the outer side wall of the threaded rod 3 is fixedly connected with a second bevel gear 18, the first bevel gear 17 is meshed with the second bevel gear 18, the outer side wall of the projector 12 is fixedly connected with a connecting wire 7, the connecting wire 7 sequentially penetrates through the outer side wall of the installation box 6 and the outer side wall of the winding box 13, the connecting wire 7 is wound around the outer side wall of, the connecting wire 7 can be wound through the winding mechanism, and the phenomenon that the connecting wire 7 of the projector 12 is wound and even breaks in the lifting process is avoided.
An intelligent online teaching projection system for management, which comprises a central processing module 25, a computer data synchronous control module 26, a sound recording module 27, a wireless transmission module 28, a classroom recording module 29, a sound playing module 30 and a projection module 32, wherein the central processing module 25 is installed inside a projector 12, the computer data synchronous control module 26 is installed inside the projector 12, the computer data synchronous control module 26 is electrically connected with the central processing module 25, data in a computer can be synchronized in real time through the computer data synchronous control module 26, and then the sound and image quality can be synchronously played during teaching; the sound recording module 27 is installed inside the projector 12, the sound recording module 27 is electrically connected with the central processing module 25, and the sound recording module 27 can collect the sound of students during teaching and is convenient to upload to the network for the teacher to answer; the wireless transmission module 28 is installed inside the projector 12, the wireless transmission module 28 is electrically connected with the central processing module 25, and the wireless transmission module 28 can upload projected data to a network in real time, so that the timeliness of watching by students is ensured; the classroom recording module 29 is installed inside the projector 12, the classroom recording module 29 is electrically connected with the central processing module 25, and the classroom recording module 29 comprises a classroom attendance module, a classroom questioning module and a classroom feedback module, so that the attendance rate of students can be recorded, and meanwhile, questioning and post-class feedback can be performed on students and teachers, thereby facilitating the improvement of the teachers and students; the sound playing module 30 is installed inside the projector 12, the sound playing module 30 is electrically connected with the central processing module 25, the sound playing module 30 plays projected sound, the projection module 32 is installed inside the projector 12, the projection module 32 is electrically connected with the central processing module 25, and the projection module 32 can project pictures, so that more students can watch the pictures, the central processing module 25 is electrically connected with the driving motor 2, the driving motor 2 can start to work through the central processing module 25, the mounting box 6 is moved up and down in the working process of the driving motor 2, so as to adjust the position of the projector 12, the central processing module 25 is electrically connected with the cooling fan 9, the cooling fan 9 starts to work through the central processing module 25, and the cooling fan 9 rotates to cool the projector 12, the long-term over-high temperature of the projector 12 is prevented from causing the service life to be greatly reduced, the classroom discussion module 33 is installed in the projector 12, the classroom discussion module 33 is electrically connected with the central processing module 25, the classroom discussion module 33 comprises a role playing module, a classroom case collective analysis module and a scene simulation module, so that students can be personally on the scene and can better perform teaching, the students can be personally located in each post of enterprise management through the role playing module and can be better managed and trained, the students can learn more case knowledge through the classroom case collective analysis module, respective findings can be checked, deficiency and leakage can be compensated, an emergency situation can be created through the scene simulation module, and the emergency processing and strain capacity of the students can be trained.
In the invention, when the device is used, the driving motor 2 is started firstly, the output shaft of the driving motor 2 drives the threaded rod 3 to start rotating, the threaded rod 3 enables the positioning block 5 to start moving in the rotating process, the positioning block 5 drives the installation box 6 to start moving, the installation box 6 realizes the movement of the projector 12 in the moving process, the vibration generated in the device moving process can be damped through the spring 23 arranged on the outer side wall of the damping rod 22, the vibration borne by the projector 12 is reduced, the second bevel gear 18 starts rotating in the rotating process of the threaded rod 3, the first bevel gear 17 starts rotating through the rotation of the second bevel gear 18, so that the reel 15 starts rotating, the connecting wire 7 is wound through the fixing rod 16 in the rotating process of the reel 15, and the connecting wire 7 is prevented from being wound and even broken in the lifting process of the projector 12, (ii) a
In the teaching process, the projector 12 can generate a large amount of heat, the generated heat can be dissipated by starting the cooling fan 9, the cooling fan 9 rotates to generate wind power, and the wind power impacts the limiting plate 20, so that the limiting plate 20 rotates clockwise to open the cooling groove 11, the limiting plate 20 and the sound-absorbing plate 10 are made of polyester fibers, noise generated when the projector 12 and the cooling fan 9 work can be absorbed, and the teaching efficiency is prevented from being influenced by the noise;
after the teaching, radiator fan 9 stop work, limiting plate 20 loses to outside impact force, and the gravity of self makes limiting plate 20 anticlockwise rotate and realizes the closure to radiating groove 11, avoids external dust rainwater to get into the inside of fixed case 1, causes the damage to the inside components and parts of fixed case 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. An intelligent online teaching projection device for management comprises a fixed box (1), a driving motor (2), a cooling fan (9) and a projector (12), it is characterized in that the driving motor (2) is fixedly arranged on the inner side wall of the fixed box (1), the tail end of an output shaft of the driving motor (2) is fixedly connected with a threaded rod (3), the tail end of the threaded rod (3) is rotationally connected with the inner side wall of the fixed box (1), the outer side wall of the threaded rod (3) is rotatably connected with a positioning block (5), the outer side wall of the fixed box (1) is provided with a positioning groove (4), the positioning block (5) penetrates through the positioning groove (4), the terminal fixedly connected with install bin (6) of locating piece (5), fixedly connected with wire winding box (13) on the lateral wall of fixed case (1), it is connected with wire winding mechanism to rotate on the inside wall of wire winding box (13).
2. The intelligent online teaching projection device for management of science according to claim 1, wherein the inner side wall of the installation box (6) is provided with an air inlet groove (31), the inner side wall of the air inlet groove (31) is provided with a filter screen, the heat dissipation fan (9) is fixedly installed on the inner side wall of the installation box (6), the inner side wall of the installation box (6) is fixedly connected with a plurality of sound absorption plates (10), the outer side wall of the installation box (6) is provided with a heat dissipation groove (11), the inner side wall of the heat dissipation groove (11) is fixedly connected with a plurality of limiting rods (19), the outer side wall of each limiting rod (19) is rotatably connected with a limiting mechanism, the inner side wall of the installation box (6) is symmetrically and fixedly connected with a damping rod (22), and the outer side wall of each damping rod (22) is commonly and slidably connected with a support plate (24), the outer side wall of the shock absorption rod (22) is fixedly connected with a spring (23), the tail end of the spring (23) is fixedly connected with the outer side wall of the supporting plate (24), and the projector (12) is placed on the outer side wall of the supporting plate (24).
3. The intelligent online teaching projection device for management of science according to claim 2, wherein the spring (23) is wound around the outer side wall of the shock-absorbing rod (22), and the spring (23) is made of spring steel.
4. The intelligent online teaching projection device for management of science according to claim 3, wherein the winding mechanism comprises a transmission rod (14) rotatably connected to the inner side wall of the winding box (13), a reel (15) is fixedly connected to the outer side wall of the transmission rod (14), the end of the transmission rod (14) sequentially penetrates through the outer side wall of the winding box (13) and the outer side wall of the fixed box (1), a first bevel gear (17) is fixedly connected to the end of the transmission rod (14), a second bevel gear (18) is fixedly connected to the outer side wall of the threaded rod (3), the first bevel gear (17) is meshed with the second bevel gear (18), a connecting wire (7) is fixedly connected to the outer side wall of the projector (12), and the connecting wire (7) sequentially penetrates through the outer side wall of the mounting box (6) and the outer side wall of the winding box (13), connecting wire (7) and the lateral wall of reel (15) are around establishing, symmetry fixedly connected with dead lever (16) on the lateral wall of reel (15), connecting wire (7) and the lateral wall of dead lever (16) offset tightly.
5. The intelligent online teaching projection device for management according to claim 4, wherein the limiting mechanism comprises a limiting plate (20) rotatably connected to the inner side wall of the limiting rod (19), the outer side wall of the heat dissipation groove (11) is symmetrically and fixedly connected with a limiting block (21), and the limiting plate (20) abuts against the outer side wall of the limiting block (21).
6. The intelligent online teaching projection device for management science according to claim 5, wherein the bottom of the fixed box (1) is fixedly provided with a supporting base (8), and the outer side wall of the supporting base (8) is fixedly provided with universal wheels.
7. The intelligent online teaching projection device for management of science according to claim 1, characterized in that the inner diameter of the positioning block (5) is larger than the outer diameter of the threaded rod (3), and the inner thread of the positioning block (5) is matched with the outer thread of the threaded rod (3).
8. The intelligent online teaching projection device for management of science according to claim 5, characterized in that the material of limiting plate (20) and sound-absorbing plate (10) is polyester fiber.
9. An intelligent online teaching projection system for management comprises a central processing module (25), a computer data synchronous control module (26), a sound recording module (27), a wireless transmission module (28), a classroom recording module (29), a sound playing module (30), a projection module (32) and a classroom discussion module (33), wherein the central processing module (25) is installed inside a projector (12), the computer data synchronous control module (26) is installed inside the projector (12), the computer data synchronous control module (26) is electrically connected with the central processing module (25), data in a computer can be synchronized in real time through the computer data synchronous control module (26), and then sound and picture quality can be synchronously played during teaching;
the sound recording module (27) is installed inside the projector (12), the sound recording module (27) is electrically connected with the central processing module (25), and the sound recording module (27) can collect the sound of students during teaching and is convenient to upload to a network for a teacher to answer;
the wireless transmission module (28) is arranged inside the projector (12), the wireless transmission module (28) is electrically connected with the central processing module (25), and the wireless transmission module (28) can upload projected data to a network in real time;
the classroom recording module (29) is installed inside the projector (12), the classroom recording module (29) is electrically connected with the central processing module (25), and the classroom recording module (29) comprises a classroom attendance module, a classroom questioning module and a classroom feedback module, so that the attendance rate of students can be recorded, and questioning and post-class feedback can be performed on the students and teachers;
the sound playing module (30) is installed inside the projector (12), the sound playing module (30) is electrically connected with the central processing module (25), the sound playing module (30) plays projected sound, the projection module (32) is installed inside the projector (12), the projection module (32) is electrically connected with the central processing module (25), and pictures can be projected through the projection module (32);
the central processing module (25) is electrically connected with the driving motor (2), and the driving motor (2) can start to work through the central processing module (25);
classroom discussion module (33) are installed in projecting apparatus (12), be electric connection between classroom discussion module (33) and central processing module (25), include role play module, classroom case collective analysis module and scene simulation module in classroom discussion module (33) to can be personally on the scene to student, can be better teach.
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| CN114446205A (en) * | 2022-02-26 | 2022-05-06 | 马开能 | Holographic projector |
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