CN102324203B - Comprehensive practical training device for Internet of things - Google Patents
Comprehensive practical training device for Internet of things Download PDFInfo
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- CN102324203B CN102324203B CN201110194090.9A CN201110194090A CN102324203B CN 102324203 B CN102324203 B CN 102324203B CN 201110194090 A CN201110194090 A CN 201110194090A CN 102324203 B CN102324203 B CN 102324203B
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Abstract
The invention discloses a comprehensive practical training device for the Internet of things. The device comprises one or a plurality of general purpose sensor nodes, a coordinator, an embedded gateway, a computer and a practical training platform. The device focuses all the experiments on three platforms including a single chip, the embedded gateway and the computer, and gives the construction method of the environment of each platform and the basic experiments in details. The device can be used for professional course experiments and practical training of the applied technology of the Internet of things, and can be used for training of technology of the Internet of things. The comprehensive practical training platform for the Internet of things mainly provides service for professional teaching of the applied technology of the Internet of things, and aims at the experiments in courses such as wireless networking technology, Zigbee communication, embedded technology, visual programming and the like, fulfilment courses such as practical training of wireless networking of the Internet of things, practical training of embedded technology application, comprehensive practical training of technology of the Internet of things and the like, and innovation activities of students.
Description
Technical field
The present invention relates to research and teaching experimental provision, relate in particular to a kind of comprehensive training device that is applied to Internet of Things application technology specialty or Sensor Network technology specialty research and teaching.
Background technology
For the actual training device of technology of Internet of things experiment, mostly adopt at present the version of experimental box, there is following shortcoming in the product of experimental box form: (one) sensing node input/output module is single, and unfixing, unfavorable laboratory room managing; (2) when experimental real-training, can not or download by student oneself programming, open poor; (3) monitor data and image can not be transferred to host computer simultaneously, and communication mode lacks comprehensive.
Summary of the invention
Above-mentioned shortcomings and deficiencies for existing Internet of Things experimental box, applicant is through Improvement, provide a kind of system architecture clear, comprehensive strong, open good, be convenient to the comprehensive practical training device for Internet of things of management, solved the problem running in the experiment of Internet of Things research and teaching.
Technical scheme of the present invention is as follows:
A comprehensive practical training device for Internet of things, comprising:
One or more general sensing nodes, each general sensing node is by the generic disk that power supply and IO interface are provided, and the Zigbee module, the sensing module that are arranged on generic disk form, for input signal and control output; Described general sensing node forms Zigbee MANET, communicates with telegon;
Telegon, by the generic disk that power supply is provided, and the Zigbee module being arranged on generic disk forms; Communicate with described general sensing node, embedded gateway and computing machine;
Embedded gateway, adopts ARM9 kernel, plays intelligent gateway, and by serial ports, connect telegon each general sensing node is monitored, and for transmitting image and voice data; Be embedded technology actual training device simultaneously, can carry out embedded gateway experiment;
Computing machine, connects telegon by serial ports each general sensing node is monitored, and for transmitting image and voice data;
Practical traning platform, built-in embedded system and each input/output module connecting for general sensing node, for simulating controlled devices such as replacing household electrical appliances, illumination, Intelligent infrared warning, monitoring, carry out wireless networking real training and embedded technology real training.
Its further technical scheme is: the power supply of described general sensing node can, by rechargeable battery powered, also can be powered and be charged by USB.
Its further technical scheme is: the available banana plug of output of described general sensing node connects 3 I/O mouth lines, and also available 20 core ox horn plugs connect a plurality of I/O mouth lines.
Its further technical scheme is: the described input/output module connecting for general sensing node comprises audible alarm module, LED light-adjusting module, step motor control module, DC MOTOR CONTROL module, LCD MODULE, LED panel module, RFID module, fan control module, the Universal joint of described each input/output module.
Its further technical scheme is: described computing machine and embedded gateway communicate by wired, GPRS, WiFi, transmitting image or voice data.
Its further technical scheme is: described computing machine and embedded gateway are by GPRS and mobile communication.
Its further technical scheme is: the chip model of described Zigbee module is CC2530.
Its further technical scheme is: the chip model of described ARM9 kernel is S3C2440.
Useful technique effect of the present invention is:
(1) input/output module is directly perceived, is convenient to management.System architecture is clear, can allow student understand relatively easily Internet of Things.
(2) three-layer technology of synthesis networking wireless networking, embedded technology, computer application software, covers multi-door Internet of Things application technology specialized courses experiment and real training, can reduce laboratory investment, and cost performance is high.
(3) open good.The core technology of having shown Internet of Things different aspects, three-layer technology for wireless networking, embedded technology, computer application software, student can start to programme, can training of students for Zigbee protocol chip CC2530, ARM9 core chip S3 2440, computing machine put into pratise and innovation ability in each link of Internet of Things
(4) multiple functional, comprehensive strong.To dissimilar data (monitoring, sound, image), dissimilar communication mode (Zigbee, RFID, GPRS, WiFi) all can comprehensively complete experiment simultaneously in a project.
(5) technology of Internet of things is applied to teaching field, allows student's awareness and understanding Internet of Things early, relation and application model between research radio frequency identification, Sensor Network and Internet of Things, further promote national technology of Internet of things and advance.
(6) adopt sensing node simulation control object, realize simulated intelligence agricultural and Smart Home comprehensive practical traning project.
Accompanying drawing explanation
Fig. 1 is structural representation block diagram of the present invention.
Fig. 2 is practical traning platform panel figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, the present invention includes following assembly:
One, general sensing node, quantity is more than one, each general sensing node is by the generic disk that power supply and IO interface are provided, and the Zigbee module (in the present embodiment, the chip model of Zigbee module is CC2530), the sensing module that are arranged on generic disk form.5 general sensing nodes are set in the present embodiment, 5 sensing nodes can be plugged the sensing module for the treatment of different types of data, further connect different input/output modules, for input sensor signal or RFID signal, and control and export, as audible alarm, LED light modulation, step motor control, DC MOTOR CONTROL, liquid crystal display, LED screen, RFID, fan control etc., each module interface is all general, mainly sees what kind of program sensing node selects.A plurality of modules can be connected on same general sensing node in the situation that connecting line is less.5 sensing nodes of the present embodiment form Zigbee MANET, communicate with telegon.The power supply of general sensing node can also can be powered and be charged by USB by rechargeable battery powered, by various ways, is exported, and as connected 3 I/O mouth lines with banana plug, also can connect a plurality of I/O mouth lines with 20 core ox horn plugs.
Two, telegon, by the generic disk that power supply is provided, and is arranged on the Zigbee module composition on generic disk, and its hardware configuration and general sensing node are basic identical, but do not possess sensing module, do not connect various input/output modules.Telegon and each general sensing node communicate, and communicate by serial ports RS232 and embedded gateway and computing machine.
Three, embedded gateway, adopt ARM9 kernel (in the present embodiment, the chip model of ARM9 kernel is S3C2440), play intelligent gateway, it connects telegon by serial ports RS232 monitors each general sensing node, and for transmitting image and voice data.Embedded gateway is also embedded technology actual training device simultaneously, can carry out embedded gateway experiment.Embedded gateway experiment, project is as follows: (one) generally test: horse race lamp (use of port), charactron show experiment, external interrupt experiment, PWM(width modulation), serial communication, iic bus, ADC(AD change).(2) under (SuSE) Linux OS, test: the building of Linux development environment, LCD show, Ethernet interface (data and computing machine interconnect _ photosensitive), CMOS camera, GSM/GPRS experiment, WIFI are tested.The installation of nuclear transfer and the making of YAFFS file system, LINUX driver example (GPIO), Qt in the configuration of (transmission of video is to computing machine), IIS audio-frequency bus (transmission of audio is to computing machine), conventional BOOTLOADER and compiling, LINUX, establishment window and button, menu and shortcut, mouse-keyboard event, Qt draw (simple wireless humiture data acquisition upper and lower computer is controlled and data show).(3) advanced experiment: wireless multipoint data acquisition, data image remote monitoring.
Four, computing machine, is connected with telegon by serial ports RS232, each general sensing node monitored, and for transmitting image and voice data.Computing machine and embedded gateway communicate by wired, GPRS, WiFi, transmitting image or voice data.In addition, computing machine and embedded gateway are also by GPRS and mobile communication.
Five, practical traning platform, built-in embedded system, and the various input/output modules of selecting connection for general sensing node, as audible alarm module, LED light-adjusting module, step motor control module, DC MOTOR CONTROL module, LCD MODULE, LED panel module, RFID module, fan control module etc.Be used for simulating the controlled devices such as replacement household electrical appliances, illumination, Intelligent infrared warning, monitoring, carry out wireless networking real training and embedded technology real training.The present invention adopts practical traning platform form, the input/output module of general sensing node is placed on the panel of experiment table, and embedded system is also placed on panel, and wireless networking real training and embedded technology real training are united two into one, and comprehensively this two subjects journey application, display material working application technology.
The present invention by sensing node design and produce, many sensing nodes networking real training, embedded system, computer system four parts form, and shown the core technology of Internet of Things different aspects.The perception of sensing node and networking, the integrated use of various communication modes, writing of application layer interface and watchdog routine, for these 3 aspects, having designed the detection of optical sensor controls, the detection of Temperature Humidity Sensor is controlled, point-to-point communication process, packet is resolved, wireless sensing node signal strength test, GPRS communication, the transmitting image of embedded system, the design of application interface, serial communication data adds database, by computer control Zigbee node, Ethernet data communication, computing machine is accepted by WIFI and a plurality of single experiments such as display video, the comprehensive practical tranings such as reading intelligent agriculture, Smart Home (heterogeneous network) have also been designed.
The present invention focuses on single-chip microcomputer, embedded and computing machine three large platforms all experiments, and has provided in detail building method and the infrastest of platform environment separately.The specialized courses experiment and the real training that can be used for Internet of Things application technology, also can be used as the training of technology of Internet of things.Internet of Things comprehensive practical traning platform main services is in Internet of Things application technology professional teaching, for the experiment of the courses such as Wireless Network, Zigbee communication, embedded technology, visualization procedure design; And Internet of Things wireless networking real training, embedded technology application real training, technology of Internet of things comprehensive practical traning etc. are put into practice class course and student's innovation activity.
Main practical training project of the present invention is as follows:
Infrastest:
1, by the flicker of key control LED lamp.
2, dot matrix pattern 12864LCD module shows.
3, the use of timer T1, T2, T3, T4.
4, the use of I/O external interrupt.
5, the measurement of temperature in sheet.
6, wired serial ports transmitting-receiving.
7, button arranges waking up of system power dissipation pattern and sleep mode.
8, Temperature Humidity Sensor data acquisition.
9, intensity of illumination data acquisition.
10, pressure sensor data collection.
11, alcohol concentration sensor data acquisition.
12, smoke transducer data acquisition.
13, acceleration transducer data acquisition.
14, RFID Card Reader data acquisition.
15, optoelectronic induction sensor data acquisition.
16, the control of stepper motor.
17, the control of direct current generator.
18, LED illuminating lamp stepless dimming is controlled.
19, LED dot matrix screen shows control.
20, the detection of sensing node signal intensity.
21, fan, hummer are controlled.
22, sensing node utilizes GPRS Long-distance Control.
Advanced experiment
1, Zigbee point-to-point communication---humiture data acquisition control (wireless, binding procedure).
2, Zigbee protocal analysis.
3, tree-like networking---illumination of two humitures (in the middle of three nodes, a node is that router forwards).
4, Zigbee radial network communication---RFID Card Reader data, humiture collection are controlled (terminal node, aggregation node).
5, Zigbee Mesh Network Communication---Smart Home.
6, Zigbee desktop programs---wireless LED dot matrix screen shows to be controlled.
Embedded gateway:
Experiment (bare machine)
1, horse race lamp (use of port).
2, charactron shows experiment.
3, external interrupt experiment.
4, PWM(width modulation).
5, serial communication.
6, iic bus.
7, ADC(AD conversion).
Under (SuSE) Linux OS, test
1, Linux development environment builds.
2, LCD shows.
3, Ethernet interface (data and computing machine interconnect _ photosensitive).
4, CMOS camera.
5, GSM/GPRS experiment.
6, WIFI experiment.(transmission of video is to computing machine).
7, IIS audio-frequency bus (transmission of audio is to computing machine).
8, configuration and the compiling of conventional BOOTLOADER.
9, in LINUX, nuclear transfer and YAFFS file system are made.
10, LINUX driver example (GPIO).
11, the installation of Qt.
12, create window and button.
13, menu and shortcut.
14, mouse-keyboard event.
15, Qt draws (simple wireless humiture data acquisition upper and lower computer is controlled and data show).
Real training
Project one: wireless multipoint data acquisition.
Project two: data image remote monitoring.
Network layer:
Experiment
1, the operation of database.
2, the design of application interface.
3, serial communication data adds database (Zigbee module).
4, by computer control Zigbee node.
5, Ethernet data communication (computing machine is by there being LAN (Local Area Network) to accept the information on ARM plate).
6, the communication of GPRS.
7, computing machine is accepted and display video by WIFI.
Real training
1, communicate by letter with the aggregation node of Zigbee and show topological diagram (sampling immediately).
2, street lamp Long-distance Control.
3, reading intelligent agriculture (humidity spraying, illumination light increasing system, temperature are heated).
4, Smart Home (gate inhibition, ventilation, electric cooker, washing machine, electric heater, monitoring, note, circumference etc.).
5. home intelligent security protection.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate without departing from the spirit and concept in the present invention, within all should thinking and being included in protection scope of the present invention.
Claims (1)
1. a comprehensive practical training device for Internet of things, is characterized in that comprising:
One or more general sensing nodes, each general sensing node is by the generic disk that power supply and IO interface are provided, and the Zigbee module, the sensing module that are arranged on generic disk form, for input signal and control output; Described general sensing node forms Zigbee MANET, communicates with telegon; The output of described general sensing node connects 3 I/O mouth lines with banana plug, or connects a plurality of I/O mouth lines with 20 core ox horn plugs;
Telegon, by the generic disk that power supply is provided, and the Zigbee module being arranged on generic disk forms; Communicate with described general sensing node, embedded gateway and computing machine;
Embedded gateway, adopts ARM9 kernel, plays intelligent gateway, and by serial ports, connect telegon each general sensing node is monitored, and for transmitting image and voice data; Be embedded technology actual training device simultaneously, can carry out embedded gateway experiment;
Computing machine, connects telegon by serial ports each general sensing node is monitored, and for transmitting image and voice data;
Practical traning platform, built-in embedded system and each input/output module connecting for general sensing node, replace comprising that for simulating household electrical appliances, illumination, Intelligent infrared are reported to the police, the controlled device of monitoring, carries out wireless networking real training and embedded technology real training; The input/output module that the general sensing node of described confession connects comprises audible alarm module, LED light-adjusting module, step motor control module, DC MOTOR CONTROL module, LCD MODULE, LED panel module, RFID module and fan control module, the Universal joint of described each input/output module.
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