CN114095486A - Combination of virtual desktop teaching technology and multimedia classroom - Google Patents
Combination of virtual desktop teaching technology and multimedia classroom Download PDFInfo
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- CN114095486A CN114095486A CN202111365407.0A CN202111365407A CN114095486A CN 114095486 A CN114095486 A CN 114095486A CN 202111365407 A CN202111365407 A CN 202111365407A CN 114095486 A CN114095486 A CN 114095486A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/08—Protocols specially adapted for terminal emulation, e.g. Telnet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The invention discloses a combination of virtual desktop teaching technology and a multimedia classroom, which comprises the following steps: infrastructure, channel section automatic flow measuring vehicle, system supporting facilities and system software. The invention relates to a combination of a virtual desktop teaching technology and a multimedia classroom, wherein the channel section automatic flow measuring system can measure a wider channel section, and when the channel section automatic flow measuring vehicle runs to a flow measuring point, the water level and the water depth (siltation thickness) are measured, and the measurement data and the measurement state are fed back in real time, so that the water level change of the section can be measured in real time, the elevation or the water depth of the flow measuring vehicle from the bottom of the water can be accurately measured, the water depth or the siltation depth can be calculated, the calculation is accurate, the structure is simple, the automation degree is high, the implementation process is simple, and the virtual desktop teaching technology is suitable for accurately measuring the flow of an open channel with the section within 100m, thereby facilitating the use of people and increasing the practicability of the whole automatic flow measuring system.
Description
Technical Field
The invention relates to the technical field of virtual teaching, in particular to a combination of a virtual desktop teaching technology and a multimedia classroom.
Background
With the development of network information technology and computer multimedia technology, many colleges and universities and enterprises have introduced information technology into various teaching links, and the innovative development of education technology brings about a change of education mode and plays an important role in promoting the development of education modernization.
The network multimedia classroom is the key point of network digital construction, and based on a network digital teaching system platform, the interactive multimedia technology is used in the course of teaching, so that the communication interaction between a teacher and a student is increased, and the independent learning ability of the student is improved. Therefore, the network multimedia classroom is managed and maintained well, and the stable operation of the network multimedia equipment is ensured, which is the key for ensuring the teaching quality. Aiming at the practical requirements of the use and management of a network multimedia classroom to analyze the problems faced by the traditional teaching mode, a management mode combining virtual teaching technology developed on the basis of unity and the multimedia classroom is provided.
Mature desktop virtualization and cloud computing technologies are popularized, enterprises have the capability of implementing desktop virtualization technical qualifications and technical support, desktop virtualization becomes an important direction for desktop teaching mode reformation, intelligent teaching and intelligent campus seamless docking can be promoted, and a desktop-instant-service and on-demand-delivery service mode is provided.
The combination of the existing virtual desktop teaching technology and a multimedia classroom has certain disadvantages when in use, the existing virtual desktop teaching technology and the multimedia classroom have single functions, complicated structures and large resource waste when in use, and cannot meet the requirements of people.
Disclosure of Invention
The invention mainly aims to provide a combination of a virtual desktop teaching technology and a multimedia classroom, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a combination of virtual desktop teaching technology and a multimedia classroom, comprising: core router, classroom terminal, switch and server system.
Preferably, the core router is connected to a plurality of groups of switches via ethernet, the switches are connected to a plurality of groups of classroom terminals, and the switches are devices that perform information exchange functions in the communication system.
Preferably, the classroom terminal comprises a thin terminal, a display, a mouse and a keyboard, and the thin terminal is set as an embedded operation system cloud terminal device.
Preferably, the core router is connected with the server system in a bidirectional manner, the core router is connected with the virtualization layer through the server system, the server system comprises cloud desktop management software and a virtual machine, and the core router is connected with the cloud desktop management software and the virtual machine respectively.
Preferably, the virtualization layer includes a server cluster and storage nodes, and the server cluster generates a large number of virtual machines or virtual desktops through a virtualization technology and sends the virtual machines or virtual desktops to the terminal device according to a virtual desktop protocol.
Preferably, the virtualization layer comprises server virtual software including Unity3D and Webgl, the Unity3D implements scene simulation for visualization of virtual teaching process, and for model simulation of some key devices, the Unity3D is used to convert course information into animation.
Preferably, the cloud desktop management software comprises Word, PPT and teaching software, and is installed on a classroom terminal.
Preferably, the classroom terminal is provided with a teaching client and a teaching server, and the teaching client deployed on the virtual machine communicates with the corresponding teaching server.
Compared with the prior art, the invention has the following beneficial effects:
through the core router, the classroom terminal, switch and the server system that set up, adopt virtual desktop infrastructure, deploy through the form of "thin client + fat server", to the management in the many multimedia classrooms of quantity, desktop virtualization is a new solution and infrastructure theory, thereby can help the teacher to construct elasticity, nimble management architecture, promote intelligent management level, improve resource utilization, reduce consumption, can provide high-efficient, nimble environment for teaching, promote multimedia classroom management and service level.
Drawings
FIG. 1 is a flow chart of the invention for a virtual desktop teaching technique in conjunction with a multimedia classroom.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-1, a combination of virtual desktop teaching technology and a multimedia classroom, comprising: core routers, classroom terminals, switches, and server systems.
The virtual simulation refers to highly simulating a virtual experiment environment similar to an actual scene by means of technologies such as virtual reality, man-machine interaction, a database and the like, introducing real teaching contents and performing simulation experiment teaching can be performed by means of a virtual simulation platform, and a system innovation control algorithm can be selected in the system independently. Another practical value of the virtual simulation platform is that it provides a safe, reliable, economic research environment, even if some high-risk, extreme experimental environments are involved, or cases where high-cost, large-scale experimental equipment is involved and experimental operations are irreversible, can be achieved by changing the equipment configuration within the virtual scene.
The server system processes the data, the data are isolated from the client terminal, and the data isolation measures can effectively ensure that the data are not infected and damaged by viruses and are not lost artificially, so that the damage of the system is reduced to the minimum, and the data safety is ensured.
The core router is connected with a plurality of groups of switches through Ethernet, the switches are connected with a plurality of groups of classroom terminals, and the switches are equipment for completing information exchange function in a communication system.
In computer network systems, the switching concept was proposed as an improvement to the shared mode of operation. According to the basic requirements of the current mainstream desktop virtualization on the network, a double-link redundant optical fiber switch is adopted between server ends of a data center to prevent application downtime caused by communication line faults between the servers and storage. The ports of the access switch are full gigabytes, so that the virtual deployment of the desktop is met.
The classroom terminal comprises a thin terminal, a display, a mouse and a keyboard, wherein the thin terminal is set as an embedded operation system cloud terminal device.
The thin terminal is an embedded operation system cloud terminal device and can be connected to a desktop running on a server through a network protocol.
The core router is connected with the server system in a bidirectional mode, the core router is connected with the virtualization layer through the server system, the server system comprises cloud desktop management software and a virtual machine, and the core router is connected with the cloud desktop management software and the virtual machine respectively.
The virtualization layer comprises a server cluster and storage nodes, wherein the server cluster generates a large number of virtual machines or virtual desktops through a virtual technology and sends the virtual machines or virtual desktops to the terminal equipment according to a virtual desktop protocol.
After authorization, an instructor can use a terminal device (desktop computer) to access a teaching desktop or a personal desktop system of the instructor at any time and any place on the network, and a manager can access a server management platform through a client to maintain a server cluster and all virtual machines.
The storage node is one of the key points of desktop platform design, not only occupies a large proportion in the overall investment, but also is one of the key components influencing the user experience, if the selection is improper, resource waste or resource insufficiency can be caused, and the consumption of the computing and storage resources by the virtualization platform itself is also considered when the computing space is required. Ensuring that hundreds of users access and virtualize the smooth operation of the desktop simultaneously.
The virtualization layer comprises server virtual software, the server virtual software comprises Unity3D and Webgl, Unity3D realizes scene simulation for visualization of a virtual teaching process, and Unity3D is used for converting course information into animation for model simulation of some key devices.
The Unity3D platform realizes scene simulation of visualization of a virtual teaching process and model simulation of some key equipment. The real teaching environment can be simulated through a virtual simulation technology, and an approximately real learning environment is provided for the trainees.
The WebGL engineering option allows Unity to publish, in the form of a JavaScript program, Unity content that runs in a web browser using HTMl5 technology and the WebGL rendering API. And generating a webpage through unity webgl packaging technology, and uploading the webpage to a server for deployment.
The cloud desktop management software comprises Word, PPT and teaching software, and is installed on a classroom terminal.
The classroom terminal is provided with a teaching client and a teaching server, and the teaching client deployed on the virtual machine is communicated with the corresponding teaching server.
The performance-design-oriented web server has the advantages of small occupied memory, high stability and the like. The web server of the asynchronous framework may also serve as a reverse proxy, load balancer, and web cache. Web servers typically act as load balancers. And the webgl files in the unity are assigned in a targeted manner, so that the correct desktop teaching is ensured.
It should be noted that the invention is a combination of virtual desktop teaching technology and multimedia classroom, when in use, the core router transmits information to the classroom terminal through the switch, the instructor starts the teaching client, and uses the teaching software to start teaching;
through the core router, the classroom terminal, switch and the server system that set up, adopt virtual desktop infrastructure, deploy through the form of "thin client + fat server", to the management in the many multimedia classrooms of quantity, desktop virtualization is a new solution and infrastructure theory, thereby can help the teacher to construct elasticity, nimble management architecture, promote intelligent management level, improve resource utilization, reduce consumption, can provide high-efficient, nimble environment for teaching, promote multimedia classroom management and service level.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A combination of virtual desktop teaching technology and a multimedia classroom, comprising: core router, classroom terminal, switch and server system.
2. A combination of virtual desktop teaching technology and a multimedia classroom as defined in claim 1, wherein: the core router is connected with a plurality of groups of switches through Ethernet, the switches are connected with a plurality of groups of classroom terminals, and the switches are equipment for completing information exchange function in a communication system.
3. A combination of virtual desktop teaching technology and a multimedia classroom as defined in claim 1, wherein: the classroom terminal comprises a thin terminal, a display, a mouse and a keyboard, wherein the thin terminal is set as an embedded operation system cloud terminal device.
4. A combination of virtual desktop teaching technology and a multimedia classroom as defined in claim 1, wherein: the core router is connected with the server system in a bidirectional mode, the core router is connected with the virtualization layer through the server system, the server system comprises cloud desktop management software and a virtual machine, and the core router is connected with the cloud desktop management software and the virtual machine respectively.
5. The combination of virtual desktop teaching technology and multimedia classroom as claimed in claim 4, wherein: the virtualization layer comprises a server cluster and storage nodes, wherein the server cluster generates a large number of virtual machines or virtual desktops through a virtual technology and sends the virtual machines or virtual desktops to the terminal equipment according to a virtual desktop protocol.
6. The combination of virtual desktop teaching technology and multimedia classroom as claimed in claim 4, wherein: the virtualization layer comprises server virtual software which comprises Unity3D and Webgl, the Unity3D realizes scene simulation of visualization of the virtual teaching process, and for model simulation of some key devices, the Unity3D is used for converting course information into animation.
7. The combination of virtual desktop teaching technology and multimedia classroom as claimed in claim 4, wherein: the cloud desktop management software comprises Word, PPT and teaching software, and is installed on a classroom terminal.
8. A combination of virtual desktop teaching technology and a multimedia classroom as defined in claim 1, wherein: the classroom terminal is provided with a teaching client and a teaching server, and the teaching client arranged on the virtual machine is communicated with the corresponding teaching server.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115440121A (en) * | 2022-10-21 | 2022-12-06 | 天津大学 | Open channel water flow connection virtual simulation experiment platform, method, system and application |
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| CN102833330A (en) * | 2012-08-21 | 2012-12-19 | 浪潮电子信息产业股份有限公司 | Cloud computing-based multimedia classroom system |
| CN110444073A (en) * | 2019-08-09 | 2019-11-12 | 中国人民解放军空军勤务学院 | A kind of remote online teaching and training operating platform |
| CN110728876A (en) * | 2019-10-23 | 2020-01-24 | 华东交通大学 | Virtual teaching practical training system for rail vehicle based on cloud platform development |
| CN111736947A (en) * | 2020-05-16 | 2020-10-02 | 安徽商贸职业技术学院 | Open type multi-person online teaching system and experimental method |
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2021
- 2021-11-18 CN CN202111365407.0A patent/CN114095486A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102833330A (en) * | 2012-08-21 | 2012-12-19 | 浪潮电子信息产业股份有限公司 | Cloud computing-based multimedia classroom system |
| CN110444073A (en) * | 2019-08-09 | 2019-11-12 | 中国人民解放军空军勤务学院 | A kind of remote online teaching and training operating platform |
| CN110728876A (en) * | 2019-10-23 | 2020-01-24 | 华东交通大学 | Virtual teaching practical training system for rail vehicle based on cloud platform development |
| CN111736947A (en) * | 2020-05-16 | 2020-10-02 | 安徽商贸职业技术学院 | Open type multi-person online teaching system and experimental method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115440121A (en) * | 2022-10-21 | 2022-12-06 | 天津大学 | Open channel water flow connection virtual simulation experiment platform, method, system and application |
| CN115440121B (en) * | 2022-10-21 | 2024-03-22 | 天津大学 | Open channel water flow connection virtual simulation experiment platform, method, system and application |
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