CN107862925B - Teaching system for computer software technology development - Google Patents

Teaching system for computer software technology development Download PDF

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Publication number
CN107862925B
CN107862925B CN201711466929.3A CN201711466929A CN107862925B CN 107862925 B CN107862925 B CN 107862925B CN 201711466929 A CN201711466929 A CN 201711466929A CN 107862925 B CN107862925 B CN 107862925B
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projector
box body
student
motor
teacher
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CN107862925A (en
Inventor
刘国灵
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Zhejiang Jiyun Education Technology Group Co ltd
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Zhejiang Jiyun Education Technology Group Co Ltd
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/08Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/14Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)

Abstract

The invention discloses a teaching system for computer software technology development, which comprises a teacher upper computer, a plurality of student lower computers and a projector; the teacher upper computer can control the plurality of student lower computers through a local area network and is connected with the projector through a serial port; the teacher upper computer is provided with a teaching system, wherein the teaching system is provided with a remote control system, and the remote control system is connected with the learning systems in the plurality of student lower computers; the teacher and the student can conveniently interact through the projector; in addition, the projector drives the projector to move through the movable plate, so that the projector can freely adjust the projection angle; this system is through the setting of gasbag and spring for the vibrations that produce when the fan rotates are difficult for influencing the box, make the projection effect be difficult for receiving the interference, through the tensile canvas that retracts of slider, make the bottom of box freely seal open, reduce the dust and get into in the box.

Description

Teaching system for computer software technology development
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a teaching system for computer software technology development.
Background
The projector is needed to be used for projection teaching in the teaching process of computer software technology development, computers are arranged at the positions of general students and teachers, the computer used by the teacher is used as an upper computer, the computer used by the students is used as a lower computer, and if the teachers teach courses only through remote control, the students are difficult to concentrate on learning, the teaching effect is poor, and the students still need to be combined with projection teaching to learn. The projector generally has a single function, and generally can only project computer display contents used by teachers.
Application No. CN201610537858.0 discloses a projector special for open classrooms, as shown in FIG. 1, which comprises a projector body 1, an alarm 2 is arranged at the front side of the projector body 1, a wireless transceiver 4 is arranged at the top end of the projector body 1, heat dissipation ports 5 are arranged at both sides of the projector body 1, a timer 6 is arranged at one side of each heat dissipation port 5, a temperature sensor 10 is arranged on the inner wall of the projector body 1, a main control board 3 and a rotating motor 9 are arranged in the projector body 1, a storage module and a control module are arranged on the main control board 3, a support rod 7 is arranged at the bottom end of the projector body 1, one end of the support rod 7 extends into the projector body 1, the support rod 7 is connected with an output shaft of the rotating motor 9, a telescopic rod 8 is arranged at the bottom end of the support rod 7, the support rod 7 is of a cavity structure, the telescopic rod 8 is, the output shaft of flexible motor 11 is connected with telescopic link 8, and monitoring device 12 is installed to the bottom of telescopic link 8, and control module's input is connected with temperature sensor 10, and control module's output is connected with alarm 2, wireless transceiver 4, timer 6, rotation motor 9, flexible motor 11, monitoring device 12 and storage module respectively. The projector can timely discharge the internal temperature out of the projector body and can collect the conditions in the classroom from different angles, but the heat dissipation ports arranged on the two sides of the projector body 1 inevitably lead the interior of the projector to enter dust, so that the heat dissipation effect of the projector is poor and the projector is damaged; and when computer teaching is carried out, only one machine can be used for projection teaching, and interaction with students is lacked.
Therefore, the invention provides a teaching system for computer software technology development.
Disclosure of Invention
The invention aims to provide a teaching system for computer software technology development, which aims to solve the problems that the existing projector in the background art is exposed outside, dust is easy to stick to the projector, the heat dissipation effect of the projector is poor, only one computer content can be projected, and interaction with students is lacked.
In order to achieve the purpose, the invention provides the following technical scheme: a teaching system for computer software technology development comprises a teacher upper computer, a plurality of student lower computers and a projector;
the teacher upper computer can control the plurality of student lower computers, preferably through a local area network;
the teacher upper computer is connected with the projector through a serial port;
the teacher upper computer is provided with a teaching system, wherein the teaching system is provided with a remote control system, and the remote control system is connected with the learning systems in the plurality of student lower computers;
preferably, the remote control system can adopt a teaching system based on B/S;
the steps of the teacher and the student interacting through the projector are as follows:
the teacher opens the remote control system on the teacher upper computer, the plurality of student lower computers enter the learning system, and the projector projects the content in the teacher upper computer;
when a teacher opens a question function in the remote control system, the student can obtain authorization through a learning system in the student lower computer, and a display picture in the student lower computer after obtaining the authorization is displayed in the remote control system, so that the projector can project display contents in the student lower computer;
and after the student completes the operation, the teacher upper computer withdraws the authorization or switches the next student lower computer.
The projector is provided with a serial port interface, a processor and an optical assembly, wherein the serial port interface, the processor and the optical assembly are communicated with the teacher upper computer.
The projector also comprises a box body with an open bottom, a first rotating shaft is arranged on the right side in the box body, a movable plate is connected with the outer side of the first rotating shaft, a projector is arranged at the top of the movable plate, a first motor is arranged on the outer side of the box body, an output shaft of the first motor penetrates through the box body and is connected with a first winding drum, the outer side of the first winding drum is connected with the top of the left side of the movable plate through a rope, the right side of the box body is provided with a cooling mechanism, the cooling mechanism comprises an outer cylinder and an inner cylinder, the inner cylinder is positioned at the inner side of the outer cylinder, the inner side of the outer cylinder is provided with a groove, the outer side of the inner cylinder is provided with a convex block inserted into the inner side of the groove, the inner side of the groove is connected with the outer side of the convex block through an air bag, the fan is installed to the inboard of inner tube, the top of box is equipped with the roof, the mounting hole has all been run through to the left and right sides of roof.
Preferably, the bottom of the right side of the box body is connected with a fixed shaft through a supporting plate, the outer side of the fixed shaft is connected with a second winding drum through a spring, and the second winding drum is connected with canvas.
Preferably, both sides all are equipped with the spout around the bottom of box, the inboard of spout is equipped with the slider, the right side and the canvas of slider meet, there is the threaded rod outside front side of box through the leg joint, the second motor that the output shaft is connected with the threaded rod is installed in the outside of support, the outside threaded connection of threaded rod has the thread bush, thread bush fixed welding is at the top of slider.
Preferably, the left side of the interior of the box body is provided with a limiting block, and the outer side of the limiting block is provided with a rubber pad.
Preferably, the left side and the right side of the inner side of the groove are connected with the outer sides of the convex blocks through springs.
Preferably, the inner side of the inner cylinder is provided with a filter screen.
Compared with the prior art, the invention has the beneficial effects that:
1. the system realizes that the display content of the lower computer is projected to the projector through the interaction between the teacher upper computer and the student lower computer, and realizes good interaction between the teacher and the students;
2. the system drives the projector to move through the movable plate, so that the projector can freely adjust the projection angle;
3. this system passes through the setting of gasbag and spring for the vibrations that produce when the fan rotates are difficult for influencing the box, make the projection effect be difficult for receiving the interference, improve the projection effect, through the tensile canvas that retracts of slider, make the bottom of box freely seal open, reduce the dust and get into in the box.
Drawings
FIG. 1 is a schematic diagram of a prior art projector;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of the cooling mechanism of the present invention;
FIG. 5 is a schematic front view of the present invention;
FIG. 6 is an enlarged view of the area A of the present invention;
FIG. 7 is a schematic view of a second reel of the present invention.
In FIGS. 2-7: the device comprises a box body 1, a top plate 2, a first rotating shaft 3, a movable plate 4, a projector 5, a first motor 6, a first winding drum 7, a rope 8, a limited block 9, a cooling mechanism 10, a supporting plate 11, a sliding chute 12, canvas 13, a sliding block 14, an outer drum 15, an inner drum 16, a fan 17, a convex block 18, a groove 19, an air bag 20, a spring 21, a filter screen 22, a fixed shaft 23, a clockwork spring 24, a second winding drum 25, a threaded sleeve 26, a bracket 27, a threaded rod 28, a second motor 29 and a mounting hole 30.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2, the present invention provides a technical solution:
a teaching system for computer software technology development comprises a teacher upper computer, a plurality of student lower computers and a projector;
the teacher upper computer can control the plurality of student lower computers, preferably through a local area network;
the teacher upper computer is connected with the projector through a serial port;
the teacher upper computer is provided with a teaching system, wherein the teaching system is provided with a remote control system, and the remote control system is connected with the learning systems in the plurality of student lower computers;
preferably, the remote control system can adopt a teaching system based on B/S;
the steps of the teacher and the student interacting through the projector are as follows:
the teacher opens the remote control system on the teacher upper computer, the plurality of student lower computers enter the learning system, and the projector projects the content in the teacher upper computer;
when a teacher opens a question function in the remote control system, the student can obtain authorization through a learning system in the student lower computer, and a display picture in the student lower computer after obtaining the authorization is displayed in the remote control system, so that the projector can project display contents in the student lower computer;
and after the student completes the operation, the teacher upper computer withdraws the authorization or switches the next student lower computer.
The projector is provided with a serial port interface, a processor and an optical assembly, wherein the serial port interface, the processor and the optical assembly are communicated with the teacher upper computer.
Referring to fig. 3 to 7, the projector includes a box body 1 with an open bottom, a first rotating shaft 3 is arranged on the right side inside the box body 1, a movable plate 4 is connected to the outer side of the first rotating shaft 3, a projector 5 is installed on the top of the movable plate 4, a first motor 6 is installed on the outer side of the box body 1, a first reel 7 is connected to the output shaft of the first motor 6 through the box body 1, the outer side of the first reel 7 is connected to the top of the left side of the movable plate 4 through a rope 8, a cooling mechanism 10 is arranged on the right side of the box body 1, the cooling mechanism 10 includes an outer barrel 15 and an inner barrel 16, the inner barrel 16 is arranged on the inner side of the outer barrel 15, a groove 19 is arranged on the inner side of the outer barrel 15, a bump 18 inserted into the inner side of the groove 19 is arranged on the outer side of the inner barrel, the fan 17 is installed to the inboard of inner tube 16, the top of box 1 is equipped with roof 2, the mounting hole 30 has all been run through to the left and right sides of roof 2 for install at indoor top to box 1.
Specifically, a fixed shaft 23 is connected to the bottom of the right side of the box body 1 through a support plate 11, a second winding drum 25 is connected to the outer side of the fixed shaft 23 through a spring 24, and the canvas 13 is connected to the second winding drum 25, so that the canvas 13 can be automatically wound.
Specifically, the front side and the rear side of the bottom of the box body 1 are provided with sliding grooves 12, sliding blocks 14 are arranged on the inner sides of the sliding grooves 12, the right sides of the sliding blocks 14 are connected with canvas 13, the front side of the outer portion of the box body 1 is connected with a threaded rod 28 through a support 27, a second motor 29 with an output shaft connected with the threaded rod 28 is installed on the outer side of the support 27, a threaded sleeve 26 is connected with the outer side of the threaded rod 28 in a threaded mode, and the threaded sleeve 26 is fixedly welded to the top of the sliding blocks 14 and used for driving the canvas 13 to stretch and.
Specifically, the left side of the inside of the box body 1 is provided with a limiting block 9, and the outer side of the limiting block 9 is provided with a rubber pad for limiting the position of the movable plate 4.
Specifically, the left side and the right side of the inner side of the groove 19 are connected with the outer side of the convex block 18 through the springs 21, so that the transverse shock absorption effect of the inner cylinder 16 is better.
Specifically, a filter screen 22 is disposed inside the inner cylinder 16 for filtering dust.
The working principle is as follows: in use, the second motor 29 is started to control the threaded rod 28 to rotate, the threaded rod 28 drives the threaded sleeve 26 to move when rotating, the threaded sleeve 26 drives the sliding block 14 to move rightwards, the spring 24 contracts the canvas 13, when the sliding block 14 moves to the right end of the sliding chute 12, the second motor 29 is stopped, then, the first motor 6 is started to drive the first reel 7 to rotate, so that the rope 8 is stretched, and the movable plate 4 is rotated downwards, when the projection angle of the projector 5 reaches a proper position, the first motor 6 is stopped from rotating, the first motor 6 is a servo motor, so that the first reel 7 does not rotate after being stopped, then, projection teaching is carried out, vibration generated by the fan 17 during rotation is absorbed and damped by the air bag 20 and the spring 21, vibration of the box body 1 is reduced, the projection effect of the projector 5 is improved, and dust is filtered by the filter screen 22 to prevent dust from entering the projector 5; after the teaching is completed, the first motor 6 is controlled to drive the first reel 7 to rotate, the first reel 7 is made to shrink the rope 8, the movable plate 4 retracts into the box body 1, the limiting block 9 is used for limiting the movable plate 4, then the movable plate 4 touches the limiting block 9 and stops the first reel 7 to rotate, then the second motor 29 is started to control the reverse rotation of the threaded rod 28, the sliding block 14 moves leftwards, the sliding block 14 drives the canvas 13 to stretch, the bottom of the box body 1 is sealed, and dust is reduced to enter the box body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A teaching system for computer software technology development comprises a teacher upper computer, a plurality of student lower computers and a projector; the method is characterized in that:
the teacher upper computer can control the plurality of student lower computers through a local area network and is connected with the projector through a serial port;
the teacher upper computer is provided with a teaching system, wherein the teaching system is provided with a remote control system, and the remote control system is connected with the learning systems in the plurality of student lower computers;
the teacher opens the remote control system on the teacher upper computer, the plurality of student lower computers enter the learning system, and the projector projects the content in the teacher upper computer;
when a teacher opens a question function in the remote control system, the student can obtain authorization through a learning system in the student lower computer, and a display picture in the student lower computer after obtaining the authorization is displayed in the remote control system, so that the projector can project display contents in the student lower computer;
after the student completes the operation, the teacher upper computer withdraws the authorization or switches the next student lower computer;
the projector comprises a box body (1) with an open bottom, wherein a first rotating shaft (3) is arranged on the right side inside the box body (1), a movable plate (4) is connected to the outer side of the first rotating shaft (3), a projector (5) is installed at the top of the movable plate (4), a first motor (6) is installed on the outer side of the box body (1), an output shaft of the first motor (6) penetrates through the box body (1) and is connected with a first winding drum (7), the outer side of the first winding drum (7) is connected to the top of the left side of the movable plate (4) through a rope (8), a cooling mechanism (10) is arranged on the right side of the box body (1), the cooling mechanism (10) comprises an outer barrel (15) and an inner barrel (16), the inner barrel (16) is located on the inner side of the outer barrel (15), a groove (19) is formed in the inner side of the outer barrel (15), a protruding block (18) inserted into the, the inner side of the groove (19) is connected with the outer side of the protruding block (18) through an air bag (20), the inner side of the inner cylinder (16) is provided with a fan (17), the top of the box body (1) is provided with a top plate (2), and the left side and the right side of the top plate (2) are provided with mounting holes (30) in a penetrating manner; the bottom of the right side of the box body (1) is connected with a fixed shaft (23) through a supporting plate (11), the outer side of the fixed shaft (23) is connected with a second winding drum (25) through a clockwork spring (24), and the second winding drum (25) is connected with a canvas (13); the front side and the rear side of the bottom of the box body (1) are respectively provided with a sliding chute (12), the inner side of each sliding chute (12) is provided with a sliding block (14), the right side of each sliding block (14) is connected with a canvas (13), the front side of the outer part of the box body (1) is connected with a threaded rod (28) through a support (27), the outer side of each support (27) is provided with a second motor (29) of which the output shaft is connected with the threaded rod (28), the outer side of each threaded rod (28) is in threaded connection with a threaded sleeve (26), and each threaded sleeve (26) is fixedly welded at the top of each sliding;
when the portable electronic projection machine is used, the second motor (29) is started to control the threaded rod (28) to rotate, the threaded rod (28) drives the threaded sleeve (26) to move when rotating, the threaded sleeve (26) drives the sliding block (14) to move rightwards, the clockwork spring (24) contracts the canvas (13), the second motor (29) is stopped when the sliding block (14) moves to the right end of the sliding groove (12), then the first motor (6) is started to drive the first winding drum (7) to rotate, the rope (8) extends, the movable plate (4) rotates downwards, when the projection angle of the projector (5) reaches a proper position, the first motor (6) stops rotating, the first winding drum (7) is a servo motor, the first winding drum (7) cannot rotate after stopping, then projection teaching is carried out, vibration generated by the fan (17) during rotation is absorbed and damped through the air bag (20) and the spring (21), the vibration of the box body (1) is reduced, the projection effect of the projector (5) is improved, and the filter screen (22) filters dust to prevent the dust from entering the projector (5); after the teaching is completed, the first motor (6) is controlled to drive the first winding drum (7) to rotate, the first winding drum (7) contracts the rope (8), the movable plate (4) retracts into the box body (1), the limiting block (9) is used for limiting the movable plate (4), then the movable plate (4) touches the limiting block (9) and stops the first winding drum (7) to rotate, then the second motor (29) is started to control the threaded rod (28) to rotate reversely, the sliding block (14) moves leftwards, the sliding block (14) drives the canvas (13) to stretch, the bottom of the box body (1) is sealed, and dust is reduced to enter the box body (1).
2. A teaching system for computer software technology development as claimed in claim 1, wherein: the left side of the interior of the box body (1) is provided with a limiting block (9), and the outer side of the limiting block (9) is provided with a rubber pad.
3. A teaching system for computer software technology development as claimed in claim 1, wherein: the left side and the right side of the inner side of the groove (19) are connected with the outer side of the convex block (18) through springs (21).
4. A teaching system for computer software technology development as claimed in claim 1, wherein: the inner side of the inner cylinder (16) is provided with a filter screen (22).
CN201711466929.3A 2017-12-28 2017-12-28 Teaching system for computer software technology development Active CN107862925B (en)

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CN112053609A (en) * 2020-09-26 2020-12-08 郭溱琦 Adjustable teaching equipment of supplementary teaching show

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203276624U (en) * 2013-06-08 2013-11-06 李居林 Novel multimedia teaching system
CN103871287A (en) * 2014-03-18 2014-06-18 天闻数媒科技(北京)有限公司 Teaching data processing system
CN103927909A (en) * 2014-04-29 2014-07-16 南京数模微电子有限公司 Interactive teaching system and method of touch type mobile terminal
CN205880788U (en) * 2016-07-26 2017-01-11 濮阳职业技术学院 Computer machine case takes precautions against earthquakes
CN206058561U (en) * 2016-08-02 2017-03-29 兰州职业技术学院 A kind of teacher's dedicated multimedia main frame
CN206301140U (en) * 2016-12-27 2017-07-04 萍乡学院 A digital media projector
CN206532070U (en) * 2017-01-04 2017-09-29 武汉市升虹激光投影科技股份有限公司 A kind of projecting apparatus for being conveniently adjusted projection angle

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104020709B (en) * 2014-04-24 2017-08-25 燕山大学 A kind of dynamic control demo system of oil refining process displaying
CN204332194U (en) * 2014-12-08 2015-05-13 中国地质大学(武汉) A teaching-type servo motion control experiment platform
CN106448375A (en) * 2016-07-28 2017-02-22 华侨大学 Matlab-oriented DC motor speed control teaching experiment device
CN106448389B (en) * 2016-12-07 2023-02-24 成都市金明星科技有限公司 Visual interactive electromagnetic wave experiment teaching system and control method
CN107103811A (en) * 2017-05-23 2017-08-29 常州工学院 A kind of virtual detection teaching platform and its application method with industrial ultra-thin materials production detection device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203276624U (en) * 2013-06-08 2013-11-06 李居林 Novel multimedia teaching system
CN103871287A (en) * 2014-03-18 2014-06-18 天闻数媒科技(北京)有限公司 Teaching data processing system
CN103927909A (en) * 2014-04-29 2014-07-16 南京数模微电子有限公司 Interactive teaching system and method of touch type mobile terminal
CN205880788U (en) * 2016-07-26 2017-01-11 濮阳职业技术学院 Computer machine case takes precautions against earthquakes
CN206058561U (en) * 2016-08-02 2017-03-29 兰州职业技术学院 A kind of teacher's dedicated multimedia main frame
CN206301140U (en) * 2016-12-27 2017-07-04 萍乡学院 A digital media projector
CN206532070U (en) * 2017-01-04 2017-09-29 武汉市升虹激光投影科技股份有限公司 A kind of projecting apparatus for being conveniently adjusted projection angle

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