CN104978879A - A new-generation intelligent multimedia teaching terminal based on internet of things, cloud computing, a mobile internet and multimedia teaching - Google Patents
A new-generation intelligent multimedia teaching terminal based on internet of things, cloud computing, a mobile internet and multimedia teaching Download PDFInfo
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- CN104978879A CN104978879A CN201410140789.0A CN201410140789A CN104978879A CN 104978879 A CN104978879 A CN 104978879A CN 201410140789 A CN201410140789 A CN 201410140789A CN 104978879 A CN104978879 A CN 104978879A
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- multimedia teaching
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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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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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
- 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
- H04L65/40—Support for services or applications
Abstract
The invention discloses a new-generation intelligent multimedia teaching terminal based on internet of things, cloud computing, a mobile internet and multimedia teaching. The new-generation intelligent multimedia teaching terminal comprises an IO controller for controlling classroom multimedia teaching equipment, a CPU main board for carrying out classroom interaction and paperless examination and a wireless router core board for providing access for an external wireless device. Communication ports of the IO controller, the wireless router core board and the CPU main board are connected through flat cables. According to the intelligent classroom cloud terminal based on the internet of things, the IO controller is utilized to control the classroom multimedia teaching equipment; the wireless router core board is connected with wireless peripherals through a first ZigBee module and a WiFi expansion board; and the CPU main board controls a ZigBee hand-held terminal through a second ZigBee module, so that the multimedia teaching equipment, computer-assisted instruction equipment and the technology of internet of things are combined deeply, real interaction and network teaching are realized, various teaching devices are managed intelligently, and teaching quality and efficiency are improved.
Description
Technical field
The present invention relates to a kind of multimedia teaching facility, particularly relate to a kind of intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching.
Background technology
Multimedia teaching develops along two different clues: the audio-visual instruction that is is feature with model, chart and the audio-visual media such as projection, magic lantern, recording, video recording and combination (composite media) thereof based on audio visual technology, although it emphasizes " to hark " with " audiovisual " replacement, but basically, this audio-visual instruction is approval traditional classroom instruction; Another is the computer-aided instruction developed on programmed instruction of learning basis, and its original intention implements individualized instruction, but at present also just the multimedia of extensive style, scattered formula be used for teaching, add at most a campus area network.
Conventional Multi Media control system, general integrated video switches and the control of simple manual power.Such as Wei Kemu scientific & technical corporation, the Linking All Classes all-in-one that Shanghai Five Fingers Peak enterprise provides, although be integrated with advanced short out-of-focus projection instrument, electronic whiteboard etc., but control and PC integrate in also just only multimedia being switched, multimedia education system, Internet technology, advanced computer aided instruction system and the technology of Internet of things that recently occurs are not carried out degree of depth combination, do not realize interactive, networked teaching and the various teaching equipment of intelligent management of real meaning, improve the quality of teaching and efficiency.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching, by multimedia teaching facility, advanced computer-aided instruction equipment and the technology of Internet of things recently occurred carry out degree of depth combination, realize the interactive of real meaning, networked teaching, and the various teaching equipment of intelligent management, improve the quality of teaching and efficiency.
The present invention solves the problems of the technologies described above the technical scheme adopted to be to provide a kind of intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching, comprising:
I/O controller: input end is connected with matrix press-key, potentiometer knob, an output terminal is connected with audio frequency and video change-over switch, and another output terminal is connected with audio amplifier by volume adjuster, controls classroom multimedia teaching facility;
Cpu motherboard: an IO port is connected with handheld electronic teacher's pointer, electronic whiteboard, another IO port is connected with ZigBee handheld terminal by the second ZigBee module, carries out classroom interaction and nonpaperlized examination;
Wireless router core board: be connected with campus network, an output terminal is connected with ZigBee peripheral hardware by the first ZigBee module, and another output terminal to be connected with WiFi peripheral hardware by WiFi expansion board provides the access of external wireless device;
Described I/O controller, wireless router core board are connected with power module with the power end of cpu motherboard, and communication ends is connected by winding displacement.
The above-mentioned intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching, wherein, described I/O controller adopts Mega48 single-chip microcomputer, described wireless router core board adopts RT3352 chip, the master chip of described cpu motherboard adopts Inte1525, and described first ZigBee module and the second ZigBee module adopt CC2530 chip.
The above-mentioned wisdom classroom cloud terminal based on Internet of Things, wherein, described power module is Switching Power Supply, input 110V ~ 220VAC, exports 3.3VDC, 5VDC and 12VDC, wherein, 12VDC output terminal passes through MC34063 power supply chip output-5V, for analog switch is powered; 3.3VDC output terminal is by being connected with the UART mouth of RT3352 chip after pull-up resistor, and 5VDC output terminal is connected with the UART mouth of Mega48 single-chip microcomputer by after current-limiting resistance.
Above-mentioned based on Internet of Things, cloud computing, the intelligent Multimedia Teaching Terminal of a new generation of mobile interchange and multimedia teaching, wherein, the 12V DC output terminal of described power module is connected with switching transistor Q1 by stabilivolt D1, the two ends of described stabilivolt D1 are connected with the input end of photoelectric coupling disconnector K1, the output terminal of photoelectric coupling disconnector K1 and high-voltage bidirectional TVS pipe D2, resistance R1 and electric capacity C1 is connected to form surge protection loop, resistance R1 one end is connected with the positive pole of diode D3, the other end is connected with the positive pole of diode D4, diode D3, the negative pole of D4 is connected together.
The above-mentioned intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching, wherein, described ZigBee peripheral hardware comprises lamp switch controller, curtain motor controller, projector controller, air-conditioner controller and LED display controller.
The above-mentioned intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching, wherein, described WiFi peripheral hardware comprises panel computer and mobile phone terminal.
The above-mentioned intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching, wherein, described audio amplifier comprises main sound box and secondary audio amplifier, integrated 2.4G wireless audio reception and DSP audio mixing process chip in described main sound box.
The present invention contrasts prior art following beneficial effect: provided by the invention based on Internet of Things, cloud computing, the intelligent Multimedia Teaching Terminal of a new generation of mobile interchange and multimedia teaching, I/O controller is utilized to control classroom multimedia teaching facility, wireless router core board is connected wireless peripheral by the first ZigBee module with WiFi expansion board, cpu motherboard is by the second ZigBee module control ZigBee handheld terminal, thus by multimedia teaching facility, advanced computer-aided instruction equipment and the technology of Internet of things recently occurred carry out degree of depth combination, realize the interactive of real meaning, networked teaching, and the various teaching equipment of intelligent management, improve the quality of teaching and efficiency.
Accompanying drawing explanation
Fig. 1 is the intelligent Multimedia Teaching Terminal electrical block diagram of a new generation that the present invention is based on Internet of Things, cloud computing, mobile interchange and multimedia teaching;
Fig. 2 is power module output voltage change-over circuit schematic diagram of the present invention;
Fig. 3 is invention relay driving circuit schematic diagram.
In figure:
1 I/O controller 2 wireless router core board 3 cpu motherboard
11 button 12 audio frequency and video change-over switch 13 potentiometer knobs
14 volume adjuster 15 audio amplifier 21 LED display
22 campus area network 23 first ZigBee module 24 ZigBee peripheral hardwares
25 WiFi peripheral hardware 26 WiFi expansion board 31 ZigBee module
32 ZigBee handheld terminal 33 handheld electronic teacher's pointer 34 electronic whiteboards.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the intelligent Multimedia Teaching Terminal electrical block diagram of a new generation that the present invention is based on Internet of Things, cloud computing, mobile interchange and multimedia teaching.
Refer to Fig. 1, the intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching provided by the invention comprises:
I/O controller 1: input end is connected with matrix press-key 11, potentiometer knob 13, an output terminal is connected with audio frequency and video change-over switch 12, and another output terminal is connected with audio amplifier 15 by volume adjuster 14, controls classroom multimedia teaching facility;
Cpu motherboard 3: input end is connected with handheld electronic teacher's pointer 33, electronic whiteboard 34, output terminal is connected with ZigBee handheld terminal 32 by the second ZigBee module 31, carries out classroom interaction and nonpaperlized examination;
Wireless router core board 2; Be connected with campus network 22, output terminal is connected with ZigBee peripheral hardware 31 by the first ZigBee module 23, and another output terminal to be connected with WiFi peripheral hardware 25 by WiFi expansion board 26 provides the access of external wireless device;
Described I/O controller 1, wireless router core board 2 are connected with power module with the power end of cpu motherboard 3, and communication ends is connected by winding displacement.
The intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching provided by the invention, I/O controller 1 is utilized to control classroom multimedia teaching facility, wireless router core board 2 connects ZigBee peripheral hardware 24 by the first ZigBee module 23, WiFi peripheral hardware 25 is connected by WiFi expansion board 26, cpu motherboard 3 is by the second ZigBee module 31 control ZigBee handheld terminal 32, and concrete advantage is as follows: 1) collection teaching electronic brain and Zigbee wireless device systems are controlled in one; Built-in syntype interactive education system and intelligent examination system; 2) realize Zigbee, Wifi multiple network covers; 3) support campus broadcasting access, support LED screen to control and promptly prediction scheme and the access of security protection burglar alarm; 4) support sensor access, obtain environmental information by sensor, by LED display environment information.
The connection introducing each main modular of the intelligent Multimedia Teaching Terminal of a new generation based on Internet of Things, cloud computing, mobile interchange and multimedia teaching provided by the invention below in detail uses:
1) power module
Power module selects Switching Power Supply to realize the power supply of system, and input 110VAC mono-250VAC, exports 12V, 5V, 3.3VDC.12V inputs through MC34063 power supply chip output-5V, for 74HC4052, CD40522 and EL4342 analog switch is powered.3.3VDC output terminal is connected with the UART mouth of RT3352 chip by after pull-up resistor R10,5VDC output terminal is connected with the RXD of the UART mouth of Mega48 single-chip microcomputer by current-limiting resistance R13,5VDC output terminal is connected with the TXD of the UART mouth of Mega48 single-chip microcomputer by current-limiting resistance R17, as shown in Figure 2.Use current-limiting resistance and pull-up resistor, stablizing simply again, successfully realize the reliable communication of UART between 5V and 3.3V processor, is the most cheap solution.
A lot of peripheral hardwares in the present invention need to pass through relay control switch.Common relay, when being connected to perception, resistive load (as various common light fixture, motor etc.), switching moments easily forms surge, can form the potential pulse more than 1KV during 220VAC, makes relay arcing carbon distribution, is easy to damage.General RC protection, effect is also not obvious, and needs according to load regulation capacitance-resistance value.12V DC output terminal is connected with switching transistor Q1 by stabilivolt D1; the input end that two ends and the photoelectricity misfortune of stabilivolt D1 close disconnector K1 is connected; output terminal and high-voltage bidirectional TVS pipe D2, resistance R1 and the electric capacity C1 of photoelectricity misfortune conjunction disconnector K1 are connected to form surge protection loop; resistance R1 one end is connected with the positive pole of diode D3; the other end is connected with the positive pole of diode D4; diode D3; the negative pole of D4 is connected together (i.e. diode D3; D4 is in parallel with resistance R1 after being oppositely connected), as shown in Figure 3.R1, C1 are common perceptual surge protection; Diode D3 (M7, the i.e. patch form of 1N4007) and D4 accelerates the discharge and recharge of electric capacity C1, and circuit is disappeared bait surge faster; D2 is high-voltage bidirectional TVS pipe (P6KE400CA), further eliminates surge.
2) wireless router core board
Wireless router core board 2 selects RT3352 module, and its communication output is fixed on base plate to carry out expansion customization by row's pin.As UARTl serial ports expansion connects the first ZigBee module 23; 1 LAN mouth connects WiFi expansion board 26, Wifi and POE Wifi is provided to expand, POE (Power Over Ethernet), be also referred to as the electric power system (POL based on LAN (Local Area Network), Power over LAN) or active Ethernet (Active Ethernet), transmit data and electric power while utilizing existing standard Ethernet transmission cable, and maintain the compatibility with existing Ethernet system and user.WiFi peripheral hardware 25 comprises panel computer and mobile phone terminal.
3) Zigbee module
This is the telegon of Zigbee networking, adopts CC2530 chip, power supply 3.3V.First Zigbee module 23 is responsible for carrying out group-net communication with lamp switch controller, curtain motor controller, projector controller, air-conditioner controller and LED display controller etc.Second ZigBee module 31 is connected with ZigBee handheld terminal 32, carries out classroom interaction and nonpaperlized examination.
4) I/O controller
I/O controller 1 selects Mega48 Single Chip Microcomputer (SCM) system, power supply+5V.AD detects potentiometer, goes control M62429 to carry out volume adjusting; Matrix keyboard, realizes audio frequency for user, video switches, the controls such as the switch of relay group; 74HC595 prime realizes the control of LED group; Rear class 74HC595 realizes the control of relay group; Two independently I/O port control audio frequency, video synchronism switching.
5) 2.4G wireless audio reception, the process of DSP audio mixing is integrated with in main sound box, the step-down of 110V/70V campus broadcasting.2.4G wireless audio reception, communicates with wireless MIC, realizes Wireless amplification function.The process of DSP audio mixing, complete campus broadcasting, ANTENN AUDIO, PC audio frequency input audio mixing.Power supply 220VAC civil power.
6) electronic whiteboard, power supply+5V, by USB port and PC communication.
7) electronic teacher pointer receiving unit, by USB and PC communication; Portion of the handle is by antenna communication.Power supply is respectively USB and battery.
Claims (7)
1., based on the intelligent Multimedia Teaching Terminal of a new generation of Internet of Things, cloud computing, mobile interchange and multimedia teaching, it is characterized in that, comprising:
I/O controller (1): input end is connected with matrix press-key (11), potentiometer knob (13), an output terminal is connected with audio frequency and video change-over switch (12), another output terminal is connected with audio amplifier (15) by volume adjuster (14), controls classroom multimedia teaching facility;
Cpu motherboard (3): an IO port is connected with handheld electronic teacher's pointer (33), electronic whiteboard (34), another IO port is connected with ZigBee handheld terminal (32) by the second ZigBee module (31), carries out classroom interaction and nonpaperlized examination;
Wireless router core board (2): be connected with campus network (22), an output terminal is connected with ZigBee peripheral hardware (31) by the first ZigBee module (23), and another output terminal is connected with WiFi peripheral hardware (25) by WiFi expansion board (26) provides the access of external wireless device;
Described I/O controller (1), wireless router core board (2) are connected with power module with the power end of cpu motherboard (3), and communication ends is connected by winding displacement.
2. as claimed in claim 1 based on the intelligent Multimedia Teaching Terminal of a new generation of Internet of Things, cloud computing, mobile interchange and multimedia teaching, it is characterized in that, described I/O controller (1) adopts Mega48 single-chip microcomputer, described wireless router core board (2) adopts RT3352 chip, the master chip of described cpu motherboard (3) adopts Inte1525, and described first ZigBee module (23) and the second ZigBee module (31) adopt CC2530 chip.
3. as claimed in claim 2 based on the intelligent Multimedia Teaching Terminal of a new generation of Internet of Things, cloud computing, mobile interchange and multimedia teaching, it is characterized in that, described power module is Switching Power Supply, input and 110V ~ 22oVAC, export 3.3VDC, 5VDC and 12VDC, wherein, 12VDC output terminal passes through MC34063 power supply chip output-5V, for analog switch is powered; 3.3VDC output terminal is by being connected with the UART mouth of RT3352 chip after pull-up resistor, and 5VDC output terminal is connected with the UART mouth of Mega48 single-chip microcomputer by after current-limiting resistance.
4. base as claimed in claim 3 is based on Internet of Things, cloud computing, the intelligent Multimedia Teaching Terminal of a new generation of mobile interchange and multimedia teaching, it is characterized in that, the 12V DC output terminal of described power module is connected with switching transistor Q1 by stabilivolt D1, the two ends of described stabilivolt D1 are connected with the input end of photoelectric coupling disconnector K1, the output terminal of photoelectric coupling disconnector K1 and high-voltage bidirectional TVS pipe D2, resistance R1 and electric capacity C1 is connected to form surge protection loop, resistance R1 one end is connected with the positive pole of diode D3, the other end is connected with the positive pole of diode D4, diode D3, the negative pole of D4 is connected together.
5. as claimed in claim 1 based on the intelligent Multimedia Teaching Terminal of a new generation of Internet of Things, cloud computing, mobile interchange and multimedia teaching, it is characterized in that, described ZigBcc peripheral hardware (31) comprises lamp switch controller, curtain motor controller, projector controller, air-conditioner controller and LED display controller.
6., as claimed in claim 1 based on the intelligent Multimedia Teaching Terminal of a new generation of Internet of Things, cloud computing, mobile interchange and multimedia teaching, it is characterized in that, described WiFi peripheral hardware (25) comprises panel computer and mobile phone terminal.
7. as claimed in claim 1 based on the intelligent Multimedia Teaching Terminal of a new generation of Internet of Things, cloud computing, mobile interchange and multimedia teaching, it is characterized in that, described audio amplifier (15) comprises main sound box and secondary audio amplifier, integrated 2.4G wireless audio reception and DSP audio mixing process chip in described main sound box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140789.0A CN104978879A (en) | 2014-04-10 | 2014-04-10 | A new-generation intelligent multimedia teaching terminal based on internet of things, cloud computing, a mobile internet and multimedia teaching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410140789.0A CN104978879A (en) | 2014-04-10 | 2014-04-10 | A new-generation intelligent multimedia teaching terminal based on internet of things, cloud computing, a mobile internet and multimedia teaching |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448423A (en) * | 2016-09-29 | 2017-02-22 | 天津市征创科技有限公司 | Internet of Things wireless remote control teaching training system for troubleshooting of whole vehicle |
| CN107134186A (en) * | 2016-02-29 | 2017-09-05 | 九江职业技术学院 | Integrated control and management intelligent teaching terminal with multi-modality imaging function |
| CN108447323A (en) * | 2018-02-07 | 2018-08-24 | 杭州至学教育科技有限公司 | A kind of Multimedia Teaching Terminal |
| CN108550093A (en) * | 2018-04-20 | 2018-09-18 | 广东国粒教育技术有限公司 | It is a kind of based on my class management system of wisdom classroom instruction |
| CN109118851A (en) * | 2018-08-15 | 2019-01-01 | 朱莉 | A kind of Intelligent campus information interaction system and implementation method based on screen networking |
| CN109218427A (en) * | 2018-09-25 | 2019-01-15 | 李昂 | A kind of intelligent multimedia instructional terminal based on Internet of Things and multimedia teaching |
-
2014
- 2014-04-10 CN CN201410140789.0A patent/CN104978879A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134186A (en) * | 2016-02-29 | 2017-09-05 | 九江职业技术学院 | Integrated control and management intelligent teaching terminal with multi-modality imaging function |
| CN106448423A (en) * | 2016-09-29 | 2017-02-22 | 天津市征创科技有限公司 | Internet of Things wireless remote control teaching training system for troubleshooting of whole vehicle |
| CN108447323A (en) * | 2018-02-07 | 2018-08-24 | 杭州至学教育科技有限公司 | A kind of Multimedia Teaching Terminal |
| CN108550093A (en) * | 2018-04-20 | 2018-09-18 | 广东国粒教育技术有限公司 | It is a kind of based on my class management system of wisdom classroom instruction |
| CN109118851A (en) * | 2018-08-15 | 2019-01-01 | 朱莉 | A kind of Intelligent campus information interaction system and implementation method based on screen networking |
| CN109218427A (en) * | 2018-09-25 | 2019-01-15 | 李昂 | A kind of intelligent multimedia instructional terminal based on Internet of Things and multimedia teaching |
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Application publication date: 20151014 |
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