CN103985278B - Internet of Things teaching and experimental system - Google Patents
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Abstract
A kind of Internet of Things teaching of the present invention and experimental system, be made up of three parts: (1) teacher end, is made up of teacher's computers, projecting apparatus and curtain; (2) gateway part, core is to support the router of wired multinode WLAN and Wi-Fi, and router can be connected to internet; (3) student's end, is made up of individual smart mobile phone or the panel computer of organizing student's computer and student experimenting device and student more; Student experimenting device and student's individual smart mobile phone or panel computer and wireless routing composition wireless network, student experimenting device comprises the multiple LED lights, Wi-Fi module, the E that are connected as the single-chip microcomputer of core and with single-chip microcomputer2PROM5, RS232 serial interface circuit, sensor and programmable device, RS232 serial ports connects corresponding student's computer. The present invention can promote the quality of Internet of Things research and teaching experiment, meets course teaching demand.
Description
Technical field
The invention belongs to teaching and scientific research technical field, be specifically related to a kind of teaching of the Internet of Things for Internet of Things teaching and scientific research and experimental system.
Background technology
Internet of Things be one based on information carriers such as internet, conventional telecommunications nets, allow and allly can be realized interconnected by the General Physics object of independent addressingThe network of intercommunication. The application of the new technologies such as REID, intelligence sensor, wireless network, large data processing and cloud computing makes Internet of Things skillArt has greatly improved people's quality of life and intelligent degree. Internet of Things is called as of after computer, internet world's information industry developmentThree tides, as the trend of new industrial growth point and WeiLai Technology development, Internet of Things is subject to the attention of enterprise, country, each large high institute graduallyInternet of Things Engineering Speciality or correlated curriculum have also been offered respectively in school, are intended to new type talents.
Internet of Things Engineering Speciality or correlated curriculum, be characterized in theoretical tight with experiment combination, and different from other specialties, its appearance form is a toolThe application system of body. Therefore experimental facilities and experimental teaching play a significant role therein. But often there is following shortcoming in Internet of Things instructional device at present:(1) wireless telecommunications adopt ready-made module, and student only rests on theoretical aspect, deep-going for the principle of communication protocol stack and the study of effect thereofNot good enough; (2) there is no to bring into play the function of existing wireless telecommunications (for example Wi-Fi), experimental facilities or deflection commercial Application or deflection Smart HomeApplication, comprehensive not good enough; (3) experimental provision is respectively done for oneself vertically, makes the equipment in laboratory could not serve as a unified system, and interconnectivity is not good enough.
Summary of the invention
For the above-mentioned shortcoming and defect of existing laboratory teaching device, provide good, the comprehensive Internet of Things strong, interconnection of a kind of deep-going to impart knowledge to studentsDevice, promotes the quality that Internet of Things research and teaching is tested, and meets course teaching demand.
For achieving the above object, the present invention takes following technical scheme:
A kind of Internet of Things teaching and experimental system, be made up of three parts: (1) teacher end, is made up of teacher's computers, projecting apparatus and curtain; (2)Gateway part, core is to support the router of wired multinode WLAN and Wi-Fi, and router can be connected to internet; (3) studentEnd, is made up of individual smart mobile phone or the panel computer of organizing student's computer and student experimenting device and student more; Student experimenting device andRaw individual smart mobile phone or panel computer form wireless network with wireless routing, student experimenting device comprise as the single-chip microcomputer of core and with listMultiple LED lights, Wi-Fi module, E that sheet machine is connected2PROM5, RS232 serial interface circuit, sensor and programmable device, RS232Serial ports connects corresponding student's computer;
Sensor is connected by I/O mouth with single-chip microcomputer;
E2PROM5 is connected with single-chip microcomputer, is used for depositing the necessary information of ICP/IP protocol stack and need to stores interested data according to teaching;
LED light, is connected with the common IO mouth of single-chip microcomputer, comprises that two LED are used for showing in real time the finger of ICP/IP protocol stack running statusShow lamp and be used as self-defining state instruction or test or pass through the indicator lamp of Wi-Fi network remote controlled in wireless as controlled device;
Wi-Fi module and E2PROM5 and PIC microcontroller communication, Wi-Fi module is supported many kinds of transmission standards of WLAN 802.11b/g/n; ?In single-chip microcomputer, move corresponding ICP/IP protocol stack and Wi-Fi interface routine;
Teacher's computers is for moving total monitoring software interface of having been write by teacher in advance and being projected to curtain.
As preferred embodiment, described Internet of Things teaching and experimental system, RS232 interface connects the serial ports of student's computer, student's computerBe used for following task: (1) is used IDE coding and by programmable device, single-chip microcomputer programmed and debug; (2) use stringOtherwise mouthful debugging software receive serial data that single-chip microcomputer sends to student's computer or; (3) use Labview software to realize function in (2); (4)Use configuration software to realize function in (2); (5) student writes voluntarily upper computer software and realizes function in (2);
Student uses the built-in AD of single-chip microcomputer to realize the function of data acquisition and conversion; ICP/IP protocol stack based on increasing income, calls its API and realizesNetworking, data sending function; Student writes or revises SCM program, makes Wi-Fi module be connected to wireless routing.
Student likes and writes the APP that runs on own smart mobile phone or panel computer according to oneself, and carries out following task:
(1) pick-up transducers data, and be sent to teacher's computers by wireless network via wireless routing, IP address and the master of teacher's computersThe port (PORT) number of monitoring software is published in student in advance, and the main monitoring software of teacher's computers is received after data, is projected to curtain;
(2) student sends data to individual smart mobile phone or the panel computer of oneself, according to the system of own mobile phone operation, calls its API voluntarilyWrite APP and complete the function of data receiver and demonstration.
(3) student writes the APP that runs on own individual smart mobile phone or panel computer, realizes the control function to LED light.
(4) in teacher's computers, build Web server, by main control software show content show with form web page, on webpage, also have control byButton, controls the light on and off of the LED light on the student experimenting device of specifying.
Described sensor comprises temperature, illumination and acceleration transducer and GPS input equipment, relies on for counsel with cost and suitably increases, subtracts according to teachingOr change.
The present invention is owing to taking above technical scheme, and it has the following advantages:
The invention provides a kind of Internet of Things experiment device for teaching. Comparing existing design tool has the following advantages:
(1) the present invention combines the technology such as sensor technology, embedded technology, wireless communication technique and software development, makes teacher's teachingContent is more abundant, focal points are more flexible, the content of courses is more lively.
(2) numerous students both can realize data acquisition, transfer function on this device, can deeply excavate and study again protocol stack principle andRealize; Not only can do individual small test but also can build laboratory Internal Small-scale network by team unity; Not only can realize Small-scale LAN but also canTo control by long-range strange land, internet. Clear and the feature richness of design framework.
(3) control terminal and implementation are various, make student start excitement high.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of Internet of Things teaching of the present invention and experimental system.
Fig. 2 is the structural representation of student experimenting device of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
The invention provides a set of Internet of Things teaching and experimental system, system architecture as shown in Figure 1. Its general structure is Star topology network, specifically byThree part compositions: (1) teacher end, is made up of teacher's computers 1, projecting apparatus and curtain 2; (2) gateway part, core is for supporting wired more pieceThe router four of point WLAN and Wi-Fi, and router can be connected to internet 3; (3) student's end, by student's computer 6,8 ... 10,Student experimenting device 5,7 ... 9 and student's individual smart mobile phone or panel computer 11 form. Experimental provision 5,7 ... 9 and studentIndividual's smart mobile phone and panel computer 11 form wireless network 12 (only marking part) with wireless routing 4. Student experimenting device totally 15 cover (according toNeeding to increase or to reduce), its structured flowchart is as shown in Figure 2. Its core is PIC single-chip microcomputer 1, and periphery has power module 2, LED instruction3, Wi-Fi module 4, E2PROM5, RS232 serial interface circuit 6, sensor 7 and programmable device 8 form. RS232 serial ports 6 connects to be learnedRaw computer 9.
Sensor 7 is connected by I/O mouth with PIC single-chip microcomputer 1, and sensor 7 is divided into simple sensor and the GPS etc. such as temperature, illumination, accelerationComplicated input equipment, can rely on for counsel with cost and suitably increase, subtract or change according to teaching.
E2PROM5 is connected with PIC single-chip microcomputer by SPI, is used for depositing the necessary information of ICP/IP protocol stack and needs storage according to teachingInterested data.
Totally 8 of LED lights 3, are connected with the common IO mouth of PIC single-chip microcomputer 1. Wherein two LED are used for showing in real time ICP/IP protocolStack running status, other 6 LED are used as self-defining state instruction or test or wireless by Wi-Fi network remote as controlled deviceControl.
RS232 interface 6 connects the serial ports of student's computer 9, requires student's Computer application to have serial ports. On student's computer 9, student completesFollowing task (1) is used IDE coding and by programmable device 8, PIC single-chip microcomputer is programmed and debugged; (2) use serial portsOtherwise debugging software receive serial data that PIC single-chip microcomputer 1 sends to student's computer 9 or; (3) use Labview software to realize in (2)Function; (4) use configuration software to realize function in (2); (5) student writes voluntarily upper computer software and realizes function in (2).
Wi-Fi module 4 and E2PROM5 is by SPI and PIC microcontroller communication. Wi-Fi module is supported many kinds of biographies of WLAN 802.11b/g/nDefeated standard, it works in 2.4GHz frequency range. In PIC single-chip microcomputer 1, move corresponding ICP/IP protocol stack and Wi-Fi interface routine. Student makesRealize the function of data acquisition and conversion with built-in AD; ICP/IP protocol stack based on increasing income, calls that its API can realize networking, data are sent outThe function such as send. Student writes or revises PIC SCM program, makes Wi-Fi module 4 be connected to wireless routing 4 in Fig. 1.
In Fig. 1, teacher's computers 1 is moved total monitoring software interface of having been write by teacher in advance and is projected to curtain 2, and student also can rootLike and write the APP that runs on own smart mobile phone or panel computer 11 according to oneself, student completes as follows (but being not limited to as follows) by this systemTask
(1) pick-up transducers (in Fig. 2 7) data, and be sent to via wireless routing (in Fig. 1 4) by wireless network (in Fig. 1 12)Teacher's computers (in Fig. 1 1), the port (PORT) number of the IP address of teacher's computers and main monitoring software is published in student, Jiao Shiji in advanceThe main monitoring software of calculation machine receives after data, is projected to curtain (in Fig. 1 2), and whether student is can the work of Real Time Observation network normal.
(2) be similar to (1), send data to individual smart mobile phone or the panel computer (in Fig. 1 11) of oneself, student is voluntarily according to own handThe system of machine operation, calls its API and writes APP and complete the function of data receiver and demonstration.
(3) contrary with (2), student writes the APP that runs on own individual smart mobile phone or panel computer (in Fig. 1 11), realizes LEDThe control function of instruction (in Fig. 2 3).
(4) in teacher's computers (in Fig. 16,8 ... in 10, Fig. 2 9) on build Web server, the content that main control software is shown withForm web page shows on webpage, also there is control button, controls the light on and off of the LED lamp on the student experimenting device of specifying.
Above content can be split as little task or arrange interesting classmate to carry out class based on this cover system according to teachers ' teaching outline and teaching processJourney design, realizes the Premium Features such as Web server.
Claims (5)
1. Internet of Things teaching and an experimental system, is made up of three parts: (1) teacher end, is made up of teacher's computers, projecting apparatus and curtain;(2) gateway part, core is to support the wireless routing of wired multinode WLAN and Wi-Fi, and wireless routing can be connected to internet;(3) student's end, is made up of individual smart mobile phone or the panel computer of organizing student's computer and student experimenting device and student more; Student experimentingDevice and student's individual smart mobile phone or panel computer and wireless routing composition wireless network, student experimenting device comprises the list as coreSheet machine and the multiple LED lights that are connected with single-chip microcomputer, Wi-Fi module, E2PROM (5), RS232 serial ports, sensor and programmable device,RS232 serial ports connects corresponding student's computer; Sensor is connected by I/O mouth with single-chip microcomputer;
E2PROM (5) is connected with single-chip microcomputer, is used for depositing the necessary information of ICP/IP protocol stack and need to stores interested according to teachingData;
Multiple LED lights, are connected with the common IO mouth of single-chip microcomputer, comprise two LED lights, and an indicator lamp is used for showing in real time TCP/IPProtocol stack running status, another indicator lamp is used as self-defining state instruction or test or passes through Wi-Fi network remote as controlled deviceControlled in wireless;
Wi-Fi module and E2PROM (5) and microcontroller communication, described single-chip microcomputer is PIC single-chip microcomputer, Wi-Fi module is supported WLAN802.11b/g/n many kinds of transmission standards; In single-chip microcomputer, move corresponding ICP/IP protocol stack and Wi-Fi interface routine;
Teacher's computers is for moving total monitoring software interface of having been write by teacher in advance and being projected to curtain.
2. Internet of Things teaching according to claim 1 and experimental system, is characterized in that, RS232 serial ports connects the serial ports of student's computer,Student's computer has been used for following task: task one: use IDE coding and by programmable device, single-chip microcomputer programmed and adjustExamination; Task two: on the contrary use AccessPort software receive single-chip microcomputer to the serial data of student's computer transmission or send serial data to single-chip microcomputer;Task three: use Labview software to realize the function of task two; Task four: use configuration software to realize the function of task two; Task five: studentWrite voluntarily upper computer software and realize the function of task two.
3. Internet of Things teaching according to claim 1 and experimental system, is characterized in that, student uses the built-in AD of single-chip microcomputer to realize data acquisitionThe function of collection and conversion; ICP/IP protocol stack based on increasing income, calls ICP/IP protocol stack API and realizes networking, data sending function; Student compilesWrite or revise SCM program, make Wi-Fi module be connected to wireless routing.
4. Internet of Things teaching according to claim 1 and experimental system, is characterized in that, student runs on own according to oneself liking to writeThe APP of people's smart mobile phone or panel computer, and carry out following task:
(1) pick-up transducers data, and be sent to teacher's computers by wireless network via wireless routing, the IP address of teacher's computers and totalThe port (PORT) number of monitoring software is published in student in advance, and total monitoring software of teacher's computers is received after data, is projected to curtain;
(2) student sends data to individual smart mobile phone or the panel computer of oneself, voluntarily according to the system of own individual smart mobile phone operation,Call the function that individual smart mobile phone API writes APP and complete data receiver and demonstration;
(3) student writes the APP that runs on own individual smart mobile phone or panel computer, realizes the control function to LED light;
(4) in teacher's computers, build Web server, the content that total monitoring software is shown shows on webpage, also there is control with form web pageButton, controls the light on and off of the LED light on the student experimenting device of specifying.
5. Internet of Things teaching according to claim 1 and experimental system, is characterized in that, described sensor comprises temperature, illumination and accelerationDegree sensor and GPS sensor input equipment.
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