CN220438927U - Online computer network experiment teaching system - Google Patents

Online computer network experiment teaching system Download PDF

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Publication number
CN220438927U
CN220438927U CN202321822341.8U CN202321822341U CN220438927U CN 220438927 U CN220438927 U CN 220438927U CN 202321822341 U CN202321822341 U CN 202321822341U CN 220438927 U CN220438927 U CN 220438927U
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teacher
signal
demonstration
student
recording
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王宝龙
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TIANJIN LIGHT INDUSTRY VOCATIONAL TECHNICAL COLLEGE
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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Abstract

The application relates to an online computer network experiment teaching system, which comprises: the teacher demonstration device, the teacher trigger module and the at least one student device; each student device comprises a presentation device and an operation device; the teacher trigger module is used for responding to the operation of starting the demonstration of a teacher and generating a demonstration starting signal, and also used for responding to the operation of ending the demonstration of the teacher and generating an demonstration ending signal; each student device is correspondingly provided with a switch control module, wherein the switch control module is connected between the corresponding display device and the teacher demonstration device, and is also connected with the teacher trigger module and used for responding to a demonstration starting signal and controlling the teacher demonstration device to be connected with the display device so as to output a preset demonstration interface of the teacher demonstration device to the display device; the switch control module is also used for controlling connection and disconnection between the teacher demonstration equipment and the demonstration equipment when receiving the demonstration ending signal.

Description

Online computer network experiment teaching system
Technical Field
The application relates to the field of experimental teaching, in particular to an online computer network experimental teaching system.
Background
In the process of experimental teaching, a teacher can carry out experimental demonstration on equipment such as a computer, the computer of the teacher can control the computer of a student to display pictures of the computer of the teacher, so that the student can check the demonstration operation of the teacher, and after the teacher finishes demonstration, the student can practice and train on corresponding computer equipment.
However, students often practice only after the teacher finishes the demonstration, and in the teacher demonstration process, the students can only watch the demonstration of the teacher, so that the interaction effect is weak.
Disclosure of Invention
In order to improve the interaction effect, the application provides an online computer network experiment teaching system.
The application provides an online computer network experiment teaching system, adopts following technical scheme:
an online computer network experimental teaching system, the system comprising:
the teacher demonstration device, the teacher trigger module and the at least one student device;
wherein each student device comprises a display device and an operation device;
the teacher trigger module is used for responding to the operation of starting the teacher to demonstrate and generating a demonstration starting signal, and also used for responding to the operation of ending the teacher to demonstrate and generating an demonstration ending signal;
the teacher presentation device is used for responding to the operation of a teacher;
the operation device is used for responding to the operation of students;
each student device is correspondingly provided with a switch control module, wherein the switch control module is connected between the corresponding display device and the teacher demonstration device, and is also connected with the teacher trigger module and used for responding to a start demonstration signal and controlling the teacher demonstration device to be connected with the display device so as to output a preset demonstration interface of the teacher demonstration device to the display device;
the switch control module is also used for controlling the connection disconnection between the teacher demonstration equipment and the demonstration equipment when receiving the demonstration ending signal.
Through adopting above-mentioned technical scheme, the teacher can carry out corresponding experiment operation in teacher's presentation equipment, every student corresponds and is provided with a presentation device and operating device, when teacher trigger module output begins the demonstration signal, the characterization teacher begins to carry out the demonstration operation, switch control module is when receiving and begins the demonstration signal, control teacher presentation device is connected with student's presentation device, so that teacher presentation device's picture can be sent to every student in the presentation device that corresponds, in order to demonstrate teacher presentation device's preset demonstration interface at presentation device, thereby the student can practice at operating device when the presentation operation of presentation device seeing the teacher, in order to strengthen the interactive effect between student and the teacher.
In one possible implementation, the system further comprises a teacher monitoring device, wherein:
the operation device is used for responding to the operation of the student to output a preset operation interface;
each switch control module is connected with the teacher monitoring equipment and also connected with the corresponding operation equipment, and is used for controlling the corresponding operation equipment to be connected with the teacher monitoring equipment when receiving the start demonstration signal output by the teacher triggering module so as to enable the preset operation interface output by the corresponding operation equipment to be output to the teacher monitoring equipment.
Through adopting above-mentioned technical scheme, when receiving the beginning demonstration signal that teacher triggered the module output, can feed back the picture of student's operation equipment to teacher supervisory equipment to can make the teacher in the demonstration in-process, also can look over student's operation condition, with further strengthening student and teacher's interactive degree.
In another possible implementation manner, each switch control module is further connected with a first recording device and a student trigger module;
the student triggering module is used for responding to a recording starting instruction of a student, generating a recording starting signal, responding to a recording ending instruction of the student, generating a recording ending signal, and responding to a recording playing instruction input by the student to generate a recording playing signal;
the switch control module is used for controlling the first recording equipment to be started when the recording start signal is received, and controlling the first recording equipment to stop working when the recording end signal is received;
each first recording device is used for recording a display interface of a corresponding display device when being started so as to obtain a recorded video;
and the switch control module is also used for controlling the first recording equipment to be connected with the corresponding display equipment when the recording and playing signal is received and the demonstration signal is ended, so that the first recording equipment outputs the recorded video to the corresponding display equipment for display.
Through adopting above-mentioned technical scheme, the student can be through student trigger module output record start signal, record the end signal and record the broadcast signal to when receiving and record the start signal, control first recording equipment and begin, with the interface of recording student's display device demonstration, thereby can record the demonstration interface of teacher who is showing in student's display device, and when the student wants to look over the video of recording, can be through triggering student trigger module, with the output record broadcast signal, and will record video output to display device by switch control module control first recording equipment and demonstrate, thereby can record the picture that the teacher demonstrated when the student demonstrates at the teacher, when the student operates, with the picture that the teacher demonstrated play at display device, with further reinforcing student's study experience.
In another possible implementation manner, each switch control module is further connected with a second recording device, where the second recording device is used for recording videos within a preset range when turned on, and the preset range is a range where students are located;
the teacher trigger module is also used for responding to a start exercise instruction input by a teacher and generating a start exercise signal, and is also used for responding to an end exercise instruction input by the teacher and generating an end exercise signal;
the switch control module is also used for controlling the second recording device to be started when receiving a training starting signal, and controlling the second recording device to be connected with the teacher demonstration device so that the video recorded by the second recording device is output to the teacher demonstration device for demonstration;
and the switch control module is also used for controlling the second recording equipment to be closed when receiving an end exercise signal and controlling the connection between the second recording equipment and the teacher demonstration equipment to be disconnected.
Through adopting above-mentioned technical scheme, the teacher passes through teacher trigger module input and starts exercise instruction to when the student starts the exercise, can record student's video through the second equipment of recording, demonstrate to teacher presentation equipment with the video output of student who records, thereby make the teacher can see student's state when student demonstrates, so that the teacher carries out pertinence help, in order to further improve the interactive sense between student and the teacher, and further improved student's study experience.
In another possible implementation manner, the switch control module is further connected with an alarm triggering module;
the warning triggering module is used for responding to a help seeking warning instruction input by a student so as to generate a warning signal;
the switch control module is used for generating warning prompt information when receiving the warning signal and outputting the warning prompt information to the teacher monitoring equipment.
Through adopting above-mentioned technical scheme, when the student needs the teacher to help, can generate warning signal through warning trigger module to make switch control module generate warning prompt message and with warning prompt message output to teacher supervisory equipment, so that teacher supervisory equipment can know the student and need help according to warning prompt message, help in time when seeing the difficulty to the student so that the teacher helps to further improve the interactive sense between teacher and the student, still further improved student's study experience.
In another possible implementation manner, each student device is correspondingly provided with an indicator lamp, and each indicator lamp is connected with a corresponding switch control module;
the switch control module is used for controlling the corresponding indicator lamp to be lighted when receiving the warning signal output by the warning trigger module.
Through adopting above-mentioned technical scheme, when the student needs help, namely when warning trigger module output warning signal, control the pilot lamp that corresponds lights to make the teacher know the student that needs help according to the pilot lamp that lights, in order that the teacher provides help for the student.
In another possible implementation manner, the warning trigger module is also connected with an indicator light detection module,
the indicator light detection module is used for detecting the indication state of the indicator light when receiving the warning signal, judging whether the indication state is a warning state or not, and generating maintenance prompt information when the indication state is not the warning state;
the indicator light detection module is connected with the corresponding operation equipment and is used for outputting the maintenance prompt information to the corresponding operation equipment so that the corresponding operation equipment displays the prompt information.
Through adopting above-mentioned technical scheme, detect whether the instruction state of pilot lamp has the mistake through pilot lamp detection module, when the instruction state of receiving warning signal and pilot lamp is the warning state, the characterization pilot lamp is normal, when the instruction state of receiving warning signal and pilot lamp is not the warning state, the demonstration of characterization pilot lamp has the mistake, in time generate maintenance prompt message by pilot lamp detection module, and show maintenance prompt message on corresponding operating device, thereby make the student can know that current pilot lamp has the problem, can in time take other measures in order to make the teacher know the unusual student appears, in order to further improved the convenience of teacher's teaching, also improved student's experience of study.
In another possible implementation manner, the warning signal is a high level signal;
the indicator light detection module comprises a brightness sensor and an AND gate;
the brightness sensor is used for outputting a high-level signal representing the lighting of the indicator lamp when the indicator lamp is lighted;
one input end of the AND gate is connected with the brightness sensor, the other input end of the AND gate is connected with the warning trigger module, and the output end of the AND gate is connected with the corresponding operation equipment.
By adopting the technical scheme, the detection of the indication state of the indicator lamp is realized through the brightness sensor and the AND gate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the teacher can perform corresponding experiment operation in the teacher demonstration equipment, each student is correspondingly provided with a demonstration equipment and an operation equipment, when the teacher trigger module outputs a demonstration starting signal, the teacher is represented to start the demonstration operation, and the switch control module controls the teacher demonstration equipment to be connected with the demonstration equipment of the student when receiving the demonstration starting signal, so that pictures of the teacher demonstration equipment can be sent to the demonstration equipment corresponding to each student to display a preset demonstration interface of the teacher demonstration equipment on the demonstration equipment, and therefore the student can practice on the operation equipment while watching the demonstration operation of the teacher on the demonstration equipment, and the interaction effect between the student and the teacher is enhanced;
2. the student can output a recording start signal, a recording end signal and a recording play signal through the student trigger module, and when the recording start signal is received, the first recording device is controlled to start to record an interface displayed by the display device of the student, so that the display interface of a teacher being displayed in the display device of the student can be recorded, when the student wants to view a recorded video, the student trigger module can be triggered to output the recording play signal, and the first recording device is controlled by the switch control module to output the recorded video to the display device to be displayed, so that when the student can display at a teacher, the picture displayed by the teacher is recorded, and when the student operates, the picture displayed by the teacher is played at the display device, so that the learning experience of the student is further enhanced.
Drawings
FIG. 1 is a block diagram of an online computer network experimental teaching system according to an embodiment of the present application;
FIG. 2 is a block diagram of a switch control block according to an embodiment of the present application;
FIG. 3 is a system module connection diagram of an online computer network experimental teaching system according to an embodiment of the present application;
reference numerals illustrate: 1. teacher demonstration equipment; 2. a teacher trigger module; 3. student equipment; 31. a display device; 32. operating the device; 4. a switch control module; 5. a teacher monitoring device; 6. a first recording device; 7. a student trigger module; 8. and a second recording device.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses an online computer network experiment teaching system, referring to fig. 1, the system includes: a teacher presentation device 1, a teacher trigger module 2, and at least one student device 3; wherein each student device 3 comprises a presentation device 31 and an operation device 32. For example, there are 10 seats in the classroom, and one presentation device 31 and one operation device 32 are provided at each position, that is, 10 presentation devices 31 and 10 operation devices 32 are provided in the classroom.
Wherein the teacher presentation device 1 is used for responding to the operation of a teacher; the teacher presentation device 1 may specifically include electronic devices such as a computer, a tablet, and a mobile phone, for example, the teacher presentation device 1 is a computer, so that the teacher may perform related operations in the computer through peripheral devices such as a keyboard and a mouse, and display related operations of the teacher on a display interface of the teacher presentation device 1.
The operation device 32 is used for responding to the operation of the student; the operation device 32 may specifically include electronic devices such as a computer platform and a mobile phone, and the student operates on the corresponding operation device 32.
The teacher trigger module 2 is used for responding to the operation of starting the teacher and generating a start demonstration signal, and is also used for responding to the operation of ending the teacher and generating an end demonstration signal. The teacher trigger module 2 may specifically include a first key switch, when the teacher presses the first key switch, a high-level start demonstration signal is output, and when the teacher presses the first key switch again, a low-level end demonstration signal is output.
Each student device 3 is provided with one switch control module 4 for each of the seats, e.g. in the above example 10 seats are present in the classroom, each seat is provided with one switch control module 4 for each of the seats, i.e. 10 switch control modules 4 are provided in the classroom, one switch control module 4 for each of the seats, one of the operating devices 32, and one of the display devices 31.
Wherein the switch control module 4 is connected between the corresponding presentation device 31 and the teacher presentation device 1, i.e. each presentation device 31 is connected with the teacher presentation device 1 through the corresponding switch control module 4. The switch control module 4 is also connected with the teacher trigger module 2 and is used for responding to a start demonstration signal and controlling the teacher demonstration device 1 to be connected with the demonstration device 31 so as to output a preset demonstration interface of the teacher demonstration device 1 to the demonstration device 31; the switch control module 4 is further configured to control disconnection between the teacher presentation device 1 and the presentation device 31 when receiving the end presentation signal.
Continuing to explain the above example, the teacher presentation device a,10 display devices 31 are respectively display devices b1 to b10, corresponding switch control modules 4 are respectively switch control modules b1 to b10, the teacher trigger module C, the display device b1 is connected with the teacher presentation device a through the switch control module b1, and the switch control module b1 is also connected with the teacher trigger module C; the display device b2 is connected with the teacher demonstration device A through the switch control module b2, the switch control module b2 is connected with the teacher trigger module C, and so on.
Specifically, taking any one of the switch control modules 4 as an example, for example, the any one of the switch control modules 4 is a switch control module bn, and corresponds to the display device bn, when the switch control module bn receives a start demonstration signal, the connection between the display device bn and the teacher demonstration device a is controlled to be closed, so that a preset demonstration interface output by the teacher demonstration device a is output to the display device bn, so that the display device bn displays the preset demonstration interface.
The description is further made by taking any one of the switch control modules 4 as an example, referring to fig. 2, the switch control module bn may specifically include a first control unit and a first switch unit, where the first switch unit includes a triode Q, a relay coil KM and a relay switch KM-1, the triode Q may be an NPN triode, when the triode Q is an NPN triode, an input end of the first control unit is connected with the teacher trigger module 2, an output end is connected with a base electrode of the triode Q, an emitter of the triode Q is grounded, a collector of the triode Q is connected with one end of the relay coil KM, the other end of the relay coil KM is connected with a power supply VCC, one end of the relay switch KM-1 is connected with a corresponding display device 31bn, and the other end is connected with the teacher presentation device 1A. The first control unit may be a comparator, wherein a positive input end of the comparator is connected with the teacher trigger module 2, and a negative input end of the comparator is connected with a low level; when the first control unit receives a high-level demonstration starting signal, a high level is output to control the triode Q to be conducted, so that the relay coil KM is electrified, the relay switch KM-1 is closed, and the demonstration equipment bn is connected with the teacher demonstration equipment A; when the first control unit receives a low-level end demonstration signal, a low level is output to enable the triode Q to be turned off, so that the relay coil KM is powered off, and the relay switch KM-1 is turned off.
It should be noted that, the control flow and the connection manner of each switch control module 4 may refer to the control flow and the connection manner of any one switch control module 4, which are not described herein.
For the embodiment of the application, a teacher can perform corresponding experiment operations in the teacher presentation device 1, each student is correspondingly provided with one presentation device 31 and one operation device 32, when the teacher triggers the module 2 to output a start presentation signal, the teacher is characterized in that the teacher starts to perform the presentation operations, and the switch control module 4 controls the teacher presentation device 1 to be connected with the presentation devices 31 of the students when receiving the start presentation signal, so that pictures of the teacher presentation device 1 can be sent to the presentation devices 31 corresponding to each student, and a preset presentation interface of the teacher presentation device 1 is presented on the presentation devices 31, so that the students can practice on the operation device 32 while the presentation device 31 looks at the presentation operations of the teacher, and the interaction effect between the students and the teacher is enhanced.
With reference to fig. 3, the system further includes a teacher monitoring device 5, where: the operation device 32 is configured to output a preset operation interface in response to an operation of the student, where the preset operation interface is a display interface of the operation device 32.
Each switch control module 4 is connected with the teacher monitoring device 5 and also connected with the corresponding operation device 32, and is used for controlling the corresponding operation device 32 to be connected with the teacher monitoring device 5 when receiving the start demonstration signal output by the teacher trigger module 2, so that the preset operation interface output by the corresponding operation device 32 is output to the teacher monitoring device 5.
Specifically, continuing to describe the above example, the studio corresponds to 10 student devices 3, that is, corresponds to 10 operation devices, and the 10 operation devices are operation devices b1 to b10, the teacher monitor device 5 is disposed at a position corresponding to the teacher, the operation device b1 is connected to the teacher monitor device 5 through the switch control module b1, the operation device b2 is connected to the teacher monitor device 5 through the switch control module b2 … …, and the operation device b10 is connected to the teacher monitor device 5 through the switch control module b 10.
More specifically, taking any one of the switch control modules 4 as an example, the switch control module 4bn further includes a relay switch KM-2, one end of the relay switch KM-2 is connected to the teacher monitor 5, the other end of the relay switch KM-2 is connected to the operation device bn, and when the relay coil KM is powered on, the relay switch KM-2 is turned on, so that the operation device bn is connected to the teacher monitor 5, and thus a display interface of the operation device bn can be displayed in the teacher monitor 5; when the relay coil KM is powered off, the relay switch KM-2 is disconnected, the connection between the operation device bn and the teacher monitoring device 5 is disconnected, and therefore the display interface of the operation device bn is not displayed in the teacher monitoring device 5.
That is, when the teacher inputs a presentation start instruction, the display interface of the teacher presentation device 1 is displayed on the presentation device 31 of each student, and the display interface of the operation device 32 of each student is also output to the teacher monitor device 5 to display the display interface of the operation device 32 of each student in the teacher monitor device 5.
For the embodiment of the application, when receiving the start demonstration signal output by the teacher trigger module 2, the picture of the operation device 32 of the student can be fed back to the teacher monitor device 5, so that the teacher can also check the operation condition of the student in the demonstration process, and the interaction degree of the student and the teacher is further enhanced.
In one possible implementation manner of this embodiment of the present application, referring to fig. 3, each switch control module 4 is further connected to a first recording device 6 and a student triggering module 7; for example: the switch control module bn is connected with the first recording device bn and the student trigger module bn, and the switch control module b1 is connected with the first recording device b1 and the student trigger module b1. The first recording module may in particular be a video camera, the lens of which is directed towards the presentation device 31 of the corresponding student device 3.
The first recording device 6 and the student triggering module 7 are disposed at positions corresponding to students, the student triggering module 7 is configured to respond to a start recording instruction of the students and generate a recording start signal, respond to an end recording instruction of the students and generate a recording end signal, respond to a recording and playing instruction input by the students and generate a recording and playing signal, and the student triggering module 7 specifically may include three switches, namely a first triggering switch, a second triggering switch and a third triggering switch, where when the students press the first triggering switch, the recording start signal is output, when the students press the second triggering switch, the recording end signal is output, and when the students press the third triggering switch, the recording and playing signal is output.
The switch control module 4 is used for controlling the first recording device 6 to be started when receiving a recording start signal, and controlling the first recording device 6 to stop working when receiving a recording end signal; each first recording device 6 is used for recording the display interface of the corresponding display device 31 when being started to obtain a recorded video; the switch control module 4 is further configured to control the first recording device 6 to connect with the corresponding display device 31 when receiving the recording/playing signal and the presentation signal, so that the first recording device 6 outputs the recorded video to the corresponding display device 31 for display.
Specifically, the switch control module 4 further includes a logic and gate, one input end of the logic and gate is connected to the student trigger module 7, more specifically, one input end of the logic and gate is connected to the third trigger switch of the student trigger module 7, and the other input end is connected to the teacher trigger module 2, and when receiving the record play signal and the end demonstration signal at the same time, the and gate outputs a high level. The switch control module 4 further comprises a first switch unit and a first switch, the first switch unit is connected with the output end of the and gate, the first switch is arranged between the first recording device 6 and the display device 31, when the first switch unit receives a high level, the first switch is controlled to be closed, and when the first switch unit receives a low level, the first switch is controlled to be opened.
For the embodiment of the application, a student can output a recording start signal, a recording end signal and a recording play signal through the student triggering module 7, and when receiving the recording start signal, the first recording device 6 is controlled to start to record an interface displayed by the student display device 31, so that a teacher's demonstration interface which is being displayed in the student display device 31 can be recorded, and when the student wants to view a recorded video, the student triggering module 7 can be triggered to output the recording play signal, and the first recording device 6 is controlled by the switch control module 4 to output the recorded video to the display device 31 for display, so that when the student can demonstrate at a teacher, the picture demonstrated by the teacher is recorded, and when the student operates, the picture demonstrated by the teacher is played at the display device 31, so that the learning experience of the student is further enhanced.
In one possible implementation manner of this embodiment, referring to fig. 3, each switch control module 4 is further connected to a second recording device 8, where the second recording device 8 is configured to record a video within a preset range when turned on, and the preset range is a range where a student is located. For example, the second recording device 8 may be arranged at the back of the student for taking a video of the student's correspondence from the back of the student.
The teacher trigger module 2 is further configured to respond to a start exercise instruction input by a teacher and generate a start exercise signal, and is further configured to respond to an end exercise instruction input by the teacher and generate an end exercise signal. Specifically, the teacher trigger module 2 may further include a second key switch, and when the teacher presses the second key switch, outputs a start exercise signal, which may specifically be a high level signal, and when the teacher presses the second key switch again, outputs an end exercise signal, which may specifically be a low level signal.
The switch control module 4 is further configured to control the second recording device 8 to be turned on when receiving the exercise start signal, and control the second recording device 8 to be connected with the teacher presentation device 1, so that the video recorded by the second recording device 8 is output to the teacher presentation device 1 for presentation; the switch control module 4 is further configured to control the second recording device 8 to be turned off and control the connection between the second recording device 8 and the teacher presentation device 1 to be disconnected when receiving the end exercise signal.
Specifically, each switch control module 4 may further include a second control unit and a second switch unit, where the second switch unit includes a second switch, the second switch is disposed between the second recording device 8 and the teacher presentation device 1, and an input end of the second control unit is connected to an output end of the second key switch, and is configured to receive a start exercise signal or an end exercise signal, and when receiving the start exercise signal, the second control unit controls the second switch to be closed, and when receiving the end exercise signal, controls the second switch to be opened. The connection manner and structure of the second control unit and the second switch unit may refer to the connection manner and structure of the first control unit and the first switch unit in the above embodiment, and will not be described herein.
For the embodiment of the application, the teacher inputs the instruction of starting exercise through the teacher trigger module 2 to when the student starts to exercise, can record student's video through the second recording device 8, demonstrate the video output of student who records to teacher presentation device 1, thereby make the teacher can see student's state when the student demonstrates, so that the teacher carries out pertinence help, in order to further improve the interactive sense between student and the teacher, and further improved student's study experience.
In one possible implementation manner of the embodiment of the present application, referring to fig. 3, the switch control module 4 is further connected with an alarm triggering module; the warning trigger module is used for responding to the help seeking warning instruction input by the student so as to generate a warning signal; the switch control module 4 is configured to generate an alarm prompt message when receiving the alarm signal, and output the alarm prompt message to the teacher monitoring device 5.
Specifically, the alert triggering module may be a third key switch, and when the student presses the third key switch, an alert signal is generated. The warning signal may specifically be a high level signal, for example, when one end of the third key switch is connected to the power VCC, and when the third key switch is pressed, the third key switch is closed to output a high level signal at the other end.
When receiving the high-level warning signal, the switch control module 4 generates warning prompt information and outputs the warning prompt information to the teacher monitoring equipment 5. Therefore, when students need teacher assistance, the warning trigger module can generate warning signals, so that the switch control module 4 generates warning prompt information and outputs the warning prompt information to the teacher monitoring equipment 5, and the teacher monitoring equipment 5 can know that the students need assistance according to the warning prompt information, so that the teacher can assist the students in time when the students are in distress, the interaction between the teacher and the students is further improved, and the learning experience of the students is further improved.
In one possible implementation manner of the embodiment of the present application, referring to fig. 3, each student device 3 is correspondingly provided with an indicator light, and each indicator light is connected with a corresponding switch control module 4; the switch control module 4 is used for controlling the corresponding indicator lamp to be turned on when receiving the warning signal output by the warning trigger module.
Specifically, the indicator light is disposed on a seat of the student, may be disposed on a table of the student, may be disposed on a screen of the student, and is not limited in the embodiment of the present application. When the switch control module 4 receives the warning signal output by the warning trigger module, the corresponding indicator lamp is controlled to be turned on. The control indicator light can be turned on specifically by connecting and closing the control indicator light and the power supply to control the indicator light to be turned on. Therefore, when students need help, namely when the warning trigger module outputs a warning signal, the corresponding indicator lamps are controlled to be lightened, so that teachers can know the students needing help according to the lightened indicator lamps, and the teachers can provide help for the students.
In one possible implementation manner of the embodiment of the application, the warning trigger module is further connected with an indicator light detection module; the indicator light detection module is used for detecting the indication state of the indicator light.
Specifically, the indicator light detection module is used for detecting the indication state of the indicator light when the indicator light detection module receives the warning signal, judging whether the indication state is the warning state, and generating maintenance prompt information when the indication state is not the warning state; the indicator light detection module is connected with the corresponding operation device 32, and is used for outputting maintenance prompt information to the corresponding operation device 32, so that the corresponding operation device 32 prompts.
More specifically, when the warning signal is a high level signal, the indicator light detection module includes a brightness sensor, a brightness comparator, and an and gate; the brightness sensor is used for detecting the brightness of the indicator lamp and outputting a brightness signal representing the brightness of the indicator lamp, wherein the signal is specifically a voltage value, and when the brightness of the indicator lamp is higher, the voltage value corresponding to the output brightness signal is larger; the positive input end of the brightness comparator is connected with the brightness sensor, the negative input end of the brightness comparator is used for receiving a preset voltage threshold, when the indicator light is on, the voltage value of the signal output by the brightness sensor is larger than the preset voltage threshold, and at the moment, the brightness comparator outputs a high-level signal.
One input end of the AND gate is connected with the output end of the brightness comparator, the other input end of the AND gate is connected with the warning trigger module, and the output end of the AND gate is connected with the corresponding operation device 32.
When two high-level signals are received simultaneously, the indication state of the characterization indicator lamp is normal, namely, when the warning trigger module outputs a warning signal, the indication state of the indicator lamp is a warning state. When the two input ends of the AND gate receive signals, one is a high level signal and the other is a low level signal, the indication abnormality of the indicator lamp is represented, and at the moment, maintenance prompt information is output to the corresponding operation equipment 32, so that the corresponding operation equipment 32 indicates.
For this application embodiment, detect whether the instruction state of pilot lamp has the mistake through pilot lamp detection module, when the instruction state of receiving warning signal and pilot lamp is the warning state, the characterization pilot lamp is normal, when the instruction state of receiving warning signal and pilot lamp is not the warning state, the demonstration of characterization pilot lamp has the mistake, in time generate maintenance prompt message by pilot lamp detection module, and show maintenance prompt message on corresponding operating device 32, thereby make the student can know that current pilot lamp has the problem, can in time take other measures in order to make the teacher know the unusual student appears, in order to further improve teacher's convenience of imparting knowledge, also improved student's experience of learning.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. An online computer network experimental teaching system, the system comprising:
the teacher demonstration device (1), the teacher trigger module (2) and at least one student device (3);
wherein each student device (3) comprises a presentation device (31) and an operating device (32);
the teacher trigger module (2) is used for responding to the operation of starting the teacher to demonstrate and generating a demonstration starting signal, and is also used for responding to the operation of ending the teacher to demonstrate and generating an demonstration ending signal;
the teacher presentation device (1) is used for responding to the operation of a teacher;
the operating device (32) is used for responding to the operation of students;
each student device (3) is correspondingly provided with a switch control module (4), wherein the switch control module (4) is connected between the corresponding display device (31) and the teacher demonstration device (1), the switch control module (4) is also connected with the teacher trigger module (2) and is used for responding to a start demonstration signal and controlling the teacher demonstration device (1) to be connected with the display device (31) so as to enable a preset demonstration interface of the teacher demonstration device (1) to be output to the display device (31);
the switch control module (4) is further used for controlling the connection disconnection between the teacher demonstration device (1) and the demonstration device (31) when receiving the demonstration ending signal.
2. The system according to claim 1, characterized in that the system further comprises a teacher monitoring device (5), wherein:
the operation device (32) is used for responding to the operation of students to output a preset operation interface;
each switch control module (4) is connected with the teacher monitoring equipment (5) and also connected with the corresponding operation equipment (32), and is used for controlling the corresponding operation equipment (32) to be connected with the teacher monitoring equipment (5) when receiving the start demonstration signal output by the teacher triggering module (2), so that the preset operation interface output by the corresponding operation equipment (32) is output to the teacher monitoring equipment (5).
3. The system according to claim 1, characterized in that each of said switch control modules (4) is further connected with a first recording device (6) and a student trigger module (7);
the student triggering module (7) is used for responding to a recording starting instruction of a student, generating a recording starting signal, responding to a recording ending instruction of the student, generating a recording ending signal, and responding to a recording playing instruction input by the student to generate a recording playing signal;
the switch control module (4) is used for controlling the first recording equipment (6) to be started when receiving the recording start signal and controlling the first recording equipment (6) to stop working when receiving the recording end signal;
each first recording device (6) is used for recording a display interface of a corresponding display device (31) when being started so as to obtain a recorded video;
the switch control module (4) is further configured to control the first recording device (6) to be connected with the corresponding display device (31) when the recording and playing signal is received and the presentation signal is ended, so that the first recording device (6) outputs the recorded video to the corresponding display device (31) for display.
4. The system according to claim 1, wherein each switch control module (4) is further connected to a second recording device (8), and the second recording device (8) is configured to record a video within a preset range when turned on, where the preset range is a range where a student is located;
the teacher trigger module (2) is also used for responding to a start exercise instruction input by a teacher and generating a start exercise signal, and is also used for responding to an end exercise instruction input by the teacher and generating an end exercise signal;
the switch control module (4) is further used for controlling the second recording device (8) to be started when a training starting signal is received, and controlling the second recording device (8) to be connected with the teacher presentation device (1) so that videos recorded by the second recording device (8) are output to the teacher presentation device (1) for presentation;
the switch control module (4) is further used for controlling the second recording device (8) to be closed when receiving an end exercise signal and controlling the connection between the second recording device (8) and the teacher demonstration device (1) to be disconnected.
5. The system according to claim 2, characterized in that the switch control module (4) is further connected with an alarm triggering module;
the warning triggering module is used for responding to a help seeking warning instruction input by a student so as to generate a warning signal;
the switch control module (4) is used for generating warning prompt information when receiving the warning signal and outputting the warning prompt information to the teacher monitoring equipment (5).
6. The system according to claim 5, characterized in that each student device (3) is provided with a respective indicator light, each indicator light being connected to a respective switch control module (4); and the switch control module (4) is used for controlling the corresponding indicator lamp to be lighted when receiving the warning signal output by the warning trigger module.
7. The system of claim 6, wherein the alert trigger module is further coupled to an indicator light detection module; the indicator lamp detection module is used for detecting the indication state of the indicator lamp;
the indicator light detection module is used for detecting the indication state of the indicator light when receiving the warning signal, judging whether the indication state is a warning state or not, and generating maintenance prompt information when the indication state is not the warning state; the indicator light detection module is connected with the corresponding operation equipment (32) and is used for outputting the maintenance prompt information to the corresponding operation equipment (32) so that the corresponding operation equipment (32) prompts.
8. The system of claim 7, wherein the alert signal is a high level signal;
the indicator light detection module comprises a brightness sensor, a brightness comparator and an AND gate; the brightness sensor is used for detecting the brightness of the indicator lamp and outputting a brightness signal representing the brightness of the indicator lamp;
the positive input end of the brightness comparator is connected with the brightness sensor, and the negative input end of the brightness comparator is used for receiving a preset voltage threshold;
one input end of the AND gate is connected with the output end of the brightness comparator, the other input end of the AND gate is connected with the warning trigger module, and the output end of the AND gate is connected with the corresponding operation equipment (32).
CN202321822341.8U 2023-07-11 2023-07-11 Online computer network experiment teaching system Active CN220438927U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321822341.8U CN220438927U (en) 2023-07-11 2023-07-11 Online computer network experiment teaching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321822341.8U CN220438927U (en) 2023-07-11 2023-07-11 Online computer network experiment teaching system

Publications (1)

Publication Number Publication Date
CN220438927U true CN220438927U (en) 2024-02-02

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