CN112634685A - Remote experiment teaching system - Google Patents
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- CN112634685A CN112634685A CN202011328726.XA CN202011328726A CN112634685A CN 112634685 A CN112634685 A CN 112634685A CN 202011328726 A CN202011328726 A CN 202011328726A CN 112634685 A CN112634685 A CN 112634685A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 140
- 230000011664 signaling Effects 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000012217 deletion Methods 0.000 description 8
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- 238000005516 engineering process Methods 0.000 description 4
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- 238000004806 packaging method and process Methods 0.000 description 3
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/14—Electrically-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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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Abstract
A remote experiment teaching system is based on the Internet and adopts a B/S framework, and consists of a user computer, an SIP signaling server, a web server and experiment equipment, so that remote experiment operation is realized. The user can carry out remote experiments through the invention, firstly, the user can log in the experiment page through the browser to carry out experiments without downloading a special experiment client; secondly, a teacher user can supervise student experiments by using experiment monitoring and experiment progress inquiry in the remote experiment teaching system; thirdly, the teacher user can use the automatic score judgment in the remote experiment teaching system to score students' experiments, so that the teacher time is shortened, and the working intensity is reduced; finally, the experimental data generated in the experiment are all the true data generated by the experimental equipment, and are not virtual data obtained through simulation. Providing great convenience for users.
Description
Technical Field
The invention relates to the field of communication and internet, in particular to a teaching system for performing remote experiments in a network transmission mode.
Background
The experiment is an extremely important component in a teaching system of a academy of industry and a college, and is an indispensable part in scientific research and verification. However, the current experimental teaching situation is not different from the common theoretical course, the teacher gives priority to the teaching, and students can only passively accept the teaching, so that the teaching mode can not fully exert the independent innovation capability of the students. If the experimental facility is not enough, the students can not directly participate in the operation of the experimental process. In addition, the teaching mode not only has highly concentrated resources, but also has the advantages that the space is limited in a laboratory, the time and the space are limited, and the utilization rate of equipment is low; meanwhile, a large amount of manpower, material resources and financial resources are required to be invested for maintenance and updating of the experimental equipment, and the contradiction between supply and demand of the experimental equipment is more and more violent, so that the requirement of the growing number of students cannot be met frequently. The development of an experimental link is limited to a certain extent, and the study and research needs of students and scientific researchers are influenced.
With the rapid development of internet technology and communication technology, a booming of reform experiment through internet technology is brought up at home and abroad, for example, "virtual laboratory", as the name suggests, students carry out virtual experiment through simulation software, but the result of this kind of virtual experiment is too idealized, and virtual experiment does not have the authenticity in the actual experiment process, can not simulate the authenticity of actual experiment, and is greatly different from actual experimental equipment.
Disclosure of Invention
The invention provides a remote experiment teaching system, which aims to solve the problems of the existing remote experiment technology and reduce the risk of infection caused by centralized experiments of personnel during epidemic situations.
The technical scheme adopted by the invention is as follows:
a remote experiment teaching system is based on the Internet, adopts a B/S framework, and consists of an SIP signaling server, a web server, experimental equipment and a user computer;
the user computer is used for carrying out an experiment page, sending and receiving experiment data and displaying an experiment result, a user logs in the experiment page through a browser, and the experiment page is divided into a teacher page and a student page;
the SIP signaling server is used for forwarding information, forwarding an experimental instruction sent by the user computer to the experimental equipment, and forwarding experimental data generated by the experimental instruction to the user computer by the experimental equipment;
the web server stores experiment instructions and experiment data, and the experiment instructions sent by the user computer and the experiment data generated by the experiment instructions are stored on the web server, so that the user can conveniently inquire;
and the experimental equipment performs experimental operation, performs experimental operation on the experimental equipment according to the instruction sent by the receiving user to obtain an experimental result, and returns the experimental result to the SIP signaling server.
Further, the user computer enters a designated experiment page through a browser.
And the user computer and the experimental equipment interact through the SIP signaling server.
The web server is used for storing experiment instructions, experiment data and user information.
In the invention, the teacher page has larger authority; the student page can only carry out relevant experimental operation, and the authority is less.
The teacher has a greater management authority, specifically: experiment operation and student management (including student addition and deletion, class creation and deletion, experiment course addition and deletion, experiment data uploading and deletion, student video monitoring, student experiment progress inquiry, student online number check, experiment report check and experiment result judgment).
The student video monitoring means that after a teacher selects a checked student, the teacher clicks a video request, a teacher page pops up a window waiting for the student to connect, the student page receives the teacher video request, and if the student selects to agree with the video, the video of the teacher and the student is successfully connected; if the student chooses to reject the video, the teacher page pops up a prompt window for the student to reject the video.
The invention has the function of judging the experimental result according to the experimental instruction input by the student. The specific method comprises the following steps: in a certain experiment course, a teacher adds some critical instructions and experiment results used in the experiment course to a specified directory, and a browser teacher page stores the added instructions and experiment results in a web server. After the experiment is completed, the student clicks to finish the experiment, and the system can compare the experiment instruction and the experiment result input by the student with the experiment instruction and the experiment result input by the teacher, so that the experiment result of this time is given. If the students disagree with the experimental results, the students can contact the teachers to recheck the results, and the teachers can judge the results according to the experimental reports submitted by the students, the input experimental instructions and the experimental results.
The invention has the beneficial effects that: the user can carry out remote experiments through the remote experiment teaching system, firstly, the user can log in the experiment page through a browser to carry out experiments without downloading a special experiment client; secondly, a teacher user can supervise student experiments by using experiment monitoring and experiment progress inquiry in the remote experiment teaching system; thirdly, the teacher user can use the automatic score judgment in the remote experiment teaching system to score students' experiments, so that the teacher time is shortened, and the working intensity is reduced; finally, the experimental data generated in the experiment are all the true data generated by the experimental equipment, and are not virtual data obtained through simulation. Providing great convenience for users.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a user login registration flow diagram.
Fig. 3 is an experimental flow chart.
FIG. 4 is a flowchart of the experiment file download, experiment instruction operation.
Fig. 5 is a flow chart of student user operations.
Detailed description of the invention
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings.
Referring to fig. 1 to 5, a remote experiment teaching system includes a user computer, an SIP server, a web server, and an experiment device, where the user computer performs experiment operations and experiment result display, a user logs in a designated experiment page through a browser, performs corresponding operations after registering, and a student user can only perform experiment operations; the teacher user has experiment operation, student management (including student addition and deletion, class creation and deletion, experiment course addition and deletion, experiment data uploading and deletion, student video monitoring, student experiment progress inquiry, student online number check, experiment report check and experiment result judgment);
the SIP server is used for carrying out real-time data interaction between experimental equipment and a user computer browser;
the web server is used for storing experiment instructions, experiment results, experiment scores, class and user information and experiment data;
the experimental equipment is an embedded equipment, and can perform embedded basic experiments and embedded improvement experiments, wherein a plurality of experimental examples are listed: the method comprises a Linux basic command operation experiment, a Linux cross compilation experiment, a gpio driving experiment, a Mount mounting experiment, an ultrasonic experiment, a bluetooth experiment, a wifi experiment, a video storage experiment, an audio acquisition experiment and the like.
Describing the user login registration flow in detail with reference to fig. 2, when a user computer is in a networked state, selecting a browser (all a hundred-degree browser, a 360-degree browser and a Firefox browser) and inputting a specified experiment IP and a specified port to enter a page of the remote experiment teaching system, wherein a user who logs in for the first time must register to store user information, and after inputting specified information, selecting registration; and after the registration is successful, inputting the registered account and the corresponding password for logging in.
The work flow of the present invention is described in detail with reference to fig. 3, 4 and 5, after the user successfully registers and logs in, the operation can be performed at the front end (browser) of the remote experiment teaching system, which is described here as an example of the operation of the student user, and after the student user enters a page, the class information and the entered registration information are displayed, for example: class, name, school number. (1) Selecting an experimental course, wherein a student user firstly clicks a course selection key to enter a course selection page, the student user should select a corresponding experimental course according to the course content arranged by a teacher user, and the course is determined by clicking after the course selection is finished; (2) and (4) downloading experiment data, wherein before an experiment, an administrator (a teacher user) needs to import required experiment data into the web server for the student user to download the experiment. After the experimental equipment selection is completed, the student user needs to download experimental data. And clicking the experiment data in the course selection page to download, packaging the selected experiment data name by the front end (browser) of the remote experiment teaching system, and sending the packaged experiment data name to a web server to download the experiment data, wherein the downloading step is consistent with that of downloading files by a common browser. (3) The online experimental equipment is selected, the experiment is displayed online only after the networking and the bottom-layer program running, the student user can only select the online equipment, the equipment number is selected as the equipment number, the experimental equipment is distinguished through the equipment number, the difference between the online equipment and the offline equipment is that the equipment number of the online equipment is green, and the equipment number of the offline equipment is grey. After the equipment is selected, clicking to determine; (4) and starting an experiment, clicking the experiment by a student user, entering an experiment page, inputting an instruction in an experiment instruction input window, and packaging the experiment instruction into an xml format by the front end (browser) of the remote experiment teaching system to send to an SIP signaling server and send the experiment instruction to a web server for storage. And after receiving the message, the SIP signaling server forwards the message to the experimental equipment terminal. After receiving the message in the xml format, the experimental equipment terminal analyzes the message to obtain the experimental instruction, then performs corresponding instruction operation, and after obtaining corresponding experimental data, the experimental equipment terminal packs the experimental data into the message in the xml format and sends the message in the xml format to the SIP signaling server and sends the experimental data to the web server for storage. Similarly, after receiving the message sent by the experimental device end, the SIP server forwards the message to the remote experiment teaching system front end (browser), and after receiving the message in the xml format, the remote experiment teaching system front end (browser) parses the message, acquires the experimental data, and displays the experimental data on the display window. The single experimental procedure was completed. (5) And (3) downloading an experiment execution program, uploading an experiment execution file compiled in a local computer to a web server by a student user through a front end (browser) of the remote experiment teaching system, further inputting the uploaded file name in a specified window, and packaging the file name into a message in an xml format by the front end (browser) of the remote experiment teaching system to be sent to an SIP signaling server. And further after receiving the message, the SIP signaling server forwards the message to the experimental equipment terminal. After receiving the message, the experimental equipment terminal further analyzes and judges the message, judges that the message is a file downloading instruction, acquires a file name in the message, further creates a file locally on the experimental equipment according to the acquired file name, further packages the file name and the equipment number and sends the packaged file name and the equipment number to a web server, downloads the file, further stores downloaded file data in the created file for storage, and finishes file downloading. Furthermore, the experimental device terminal packs the file name and the device number into a message in an xml format and sends the message to the SIP server, and further the SIP signaling server forwards the message to the front end (browser) of the remote experimental teaching system after receiving the message, so as to inform the student user of the successful file downloading.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, which are intended for purposes of illustration only. The scope of the present invention should not be construed as being limited to the particular forms set forth in the examples, but rather as being defined by the claims and the equivalents thereof which can occur to those skilled in the art upon consideration of the present inventive concept.
Claims (4)
1. A remote experiment teaching system is characterized in that: the system adopts a B/S framework based on the Internet and consists of an SIP signaling server, a web server, experimental equipment and a user computer;
the user computer is used for carrying out an experiment page, sending and receiving experiment data and displaying an experiment result, a user logs in the experiment page through a browser, and the experiment page is divided into a teacher page and a student page;
the SIP signaling server is used for forwarding information, forwarding an experimental instruction sent by the user computer to the experimental equipment, and forwarding experimental data generated by the experimental instruction to the user computer by the experimental equipment;
the web server stores experiment instructions and experiment data, and the experiment instructions sent by the user computer and the experiment data generated by the experiment instructions are stored on the web server, so that the user can conveniently inquire;
and the experimental equipment performs experimental operation, performs experimental operation on the experimental equipment according to the instruction sent by the receiving user to obtain an experimental result, and returns the experimental result to the SIP signaling server.
2. A remote experiment teaching system according to claim 1 wherein said user computer accesses a designated experiment page via a browser.
3. A remote experiment teaching system according to claim 1 or 2 wherein the user computer and the experimental apparatus interact through a SIP signalling server.
4. The remote experiment teaching system according to claim 1 or 2, wherein the web server is used for storing experiment instructions, experiment data and user information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011328726.XA CN112634685A (en) | 2020-11-24 | 2020-11-24 | Remote experiment teaching system |
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| CN202011328726.XA CN112634685A (en) | 2020-11-24 | 2020-11-24 | Remote experiment teaching system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113313985A (en) * | 2021-04-21 | 2021-08-27 | 广东机电职业技术学院 | Intelligent experiment method, device, system and medium based on online education |
| CN113470463A (en) * | 2021-07-11 | 2021-10-01 | 上海松鼠课堂人工智能科技有限公司 | Experiment teaching method and device for performing remote experiment by using remote control technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113313985A (en) * | 2021-04-21 | 2021-08-27 | 广东机电职业技术学院 | Intelligent experiment method, device, system and medium based on online education |
| CN113470463A (en) * | 2021-07-11 | 2021-10-01 | 上海松鼠课堂人工智能科技有限公司 | Experiment teaching method and device for performing remote experiment by using remote control technology |
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Application publication date: 20210409 |