1. System Overview
Today, paying attention to the impact of modern educational technology on education and vigorously promoting the modernization of education is the mainstream of the development of education in the world. In the process of using modern educational technology to integrate teaching, China has achieved considerable results. Using advanced teaching methods and providing a new teaching environment to design teaching activities has become a market trend.
With the continuous advancement of modern teaching systems in universities and colleges, the traditional methods have been unable to meet the needs of modernization. The new modern education system integrating multi-function classroom system, multimedia teaching system, and broadcasting system has become increasingly widespread in the education industry. Application. As a new form of education and modern teaching methods, multimedia technology has brought new opportunities to the education industry.
Second, user needs
The whole system should complete the teaching tasks efficiently, combine each system, give full play to the functions of each system, and realize the modern teaching.
(1) Multimedia display system:
The multimedia display system consists of a high-brightness, high-resolution LCD projector and a motorized screen; it displays a large screen of various graphic information.
(2) A / V system:
The A / V system is composed of computers, DVDs, VCRs (video recorders), physical exhibition stands, power amplifiers, speakers, and other A / V equipment; it completes various graphic information (including the use of various software, DVD / CD discs, video tapes, Various physical, sound) playback functions; to achieve on-site sound reinforcement and broadcast of multimedia electronic classrooms, with large screen projection system, to provide excellent audio-visual effects.
(3) Intelligent multimedia central control system:
Adopt the American CRESTRON (Crestron) central control system with the highest grade, the most mature technology, the most complete functions and the most versatile in the world. This system is the most advanced central control system equipment in the world. Realize the centralized control of various electronic devices in the multimedia classroom.
Requires simple operation, humanization, and intelligence; requires high reliability of the entire system; as much as possible to reflect the excellent functions of various devices, let all devices work in the best state, and maximize the effectiveness of the device; able to control the projector, proceed On / off, input switching and other functions; and control the screen to realize the screen up, stop, and fall functions; can control DVD, VCR to play, stop, pause and other functions; can control the physical exhibition stand to zoom in and out; can achieve Audio and video, VGA signal automatic switching control function; can control the volume, adjust the volume size.(4) Multimedia classroom management system:
Based on the campus network (LAN + WAN), all multimedia classrooms are managed using computers. Can complete the functions of centralized management, centralized control and centralized maintenance.
Complete centralized and intelligent management mode; can complete the remote monitoring function for all video classrooms, and can understand the use of various video classrooms, equipment work, etc. in the main control room; can complete remote control for all video classrooms It can remotely control all classrooms (or a single classroom) when necessary. It can complete the remote maintenance function. Using the network, you can remotely maintain the software and hardware of each classroom.(5) Equipment list:
The equipment list (including control mode analysis) of each individual classroom is as follows:
User equipment name quantity unit controlled method Crestron control equipment projector 1 RS232 port on the host computer RS232 port electric screen 1 relay (relay) CNPCI-8 computer 1 control image switching control projector to switch images DVD 1 IR (infrared ) IRP2 VCR 1 IR (infrared) IRP2 physical exhibition stand 1 IR (infrared) IRP2 power amplifier 1 control volume host built-in volume control module speakers 1 reserved video image port without control 1 control image switching control projector to switch images One computer image port is reserved to control image switching and control the projector to switch images3. Product List
1. According to the above equipment, list and description of Crestron central control equipment in each classroom:
Model description quantity description MP2E second generation control host, with 4 × 2 video switching, 7 × 1 audio switching, built-in volume control function, with 10 / 100M network card. 1 Receive the control signal of the touch screen, interpret and execute the TPS-2000L 5-inch wall-mounted touch 1 Preview video CNPCI-8 8-way high-power relay module 1 Control screen, equipment power supply, projector power supply IRP2 Infrared emitter 3 Control infrared device , Such as DVD / VCR / kinetic boothIf the school has 20 classrooms, the list of Crestron equipment required is as follows:
20 × {MP2E + TPS-2000L + CNPCI-8 + 3 × IRP2}
2. In addition to the above central control system equipment, Crestron's unique E-Control technology is also required to complete some related network functions:
Remote A / V system management software RoomView; remote real-time diagnostic software Network Analyzer; remote system log recording e-Datalog; multiple system scheduling software e-Outlook; remote control software e-ContPAPER TOWEL DISPENSER,paper towel dispenser key,dispenser paper towel,paper towel dispenser bear
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