CN107633727B - Internet of Things comprehensive experimental system - Google Patents
Internet of Things comprehensive experimental system Download PDFInfo
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- CN107633727B CN107633727B CN201711077380.9A CN201711077380A CN107633727B CN 107633727 B CN107633727 B CN 107633727B CN 201711077380 A CN201711077380 A CN 201711077380A CN 107633727 B CN107633727 B CN 107633727B
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Abstract
The invention discloses a kind of Internet of Things comprehensive experimental system, including multiple expansion boards, expansion interface is equipped in each expansion board；Multiple Function Extension areas, each expansion board can be connect by respective expansion interface with any one of Function Extension area；AccessPort interface and SWD download interface are equipped in each Function Extension area；Download debugging function area, it includes slide glass modeling block under AccessPort piece modeling block and SWD, each Function Extension area passes through respective AccessPort interface and connect with the AccessPort piece modeling block, and each Function Extension area is connect by respective SWD download interface with slide glass modeling block under the serial ports SWD.Internet of Things comprehensive experimental system of the invention, system architecture is clear, it is comprehensive it is strong, it is open it is good, convenient for management, exploitation interaction is friendly, development efficiency is high.
Description
Technical field
The present invention relates to a kind of Internet of Things comprehensive experimental systems.
Background technique
Technology of Internet of things be all goods and materials and product by radio frequency identification, sensor or other embedded devices etc. with it is mutual
Networking connection, realizes intelligent management, supervision and control, is believing again after computer, internet and mobile communication
Breath industry tide.
Technology of Internet of things has extensive development prospect, and China pays high attention to and payes attention to the research of Internet of Things, and starts
Power carries out personnel training and the deposit of related fields.For further adapt to technology of Internet of things development and relevant talents market
Demand, national major institution of higher learning and all kinds of occupational training schools computer and communication class profession successively open up network communication and
The correlated curriculum of Internet of Things, while " internet of things information platform " laboratory that construction matches with course teaching, its significance lies in that:
It is horizontal to improve teaching and scientific research, promotes Students ' Employment, and promote school's competitiveness.
Internet of Things chamber currently used for technology of Internet of things real training and demonstration has the disadvantage that: the input of (one) sensing node
Output module is single, and is not fixed, and is unfavorable for laboratory room managing；(2) each extension functional areas are carried out under program in experimental box
It carries or AccessPort requires downloading wire or debugging line carrying out plug operation, be unfavorable for exploitation debugging；(3) it is passed in experimental box
Feel that nodal function is single and negligible amounts, scene real training and demonstration can not be carried out；It (four) can not be to each extension function in chamber
The power supply in energy area is independently controlled；(5) experimental box and compunlcation are carried out using wired mode, are unfavorable for exploitation debugging
It is transmitted with data；(6) communication in chamber between each extension functional areas and coordinator only has a kind of mode, is unfavorable for teaching
The expansion and practice operation of the scope of one's knowledge during.
Summary of the invention
The present invention provides a kind of Internet of Things comprehensive experimental system, system architecture is clear, it is comprehensive it is strong, it is open it is good, be convenient for
Management, exploitation interaction is friendly, development efficiency is high, solves the technical issues of encountered in the experiment of Internet of Things research and teaching.
In order to solve the above-mentioned technical problems, the present invention provides a kind of Internet of Things comprehensive experimental systems, including
Multiple expansion boards are equipped with expansion interface in each expansion board；
Multiple Function Extension areas, each expansion board by respective expansion interface can with it is any one of
The connection of Function Extension area；AccessPort interface and SWD download interface are equipped in each Function Extension area；
Download debugging function area comprising slide glass modeling block under AccessPort piece modeling block and SWD, each Function Extension area
It is connect by respective AccessPort interface with the AccessPort piece modeling block, each Function Extension area passes through respective
SWD download interface is connect with slide glass modeling block under the serial ports SWD.
It further comprise corresponding to each Function Extension in the downloading debugging function area in a preferred embodiment of the present invention
Area is equipped with AccessPort toggle switch and downloading toggle switch, is currently needed by AccessPort toggle switch switching selection
The Function Extension area to be debugged, the Function Extension area for currently needing to download by the downloading toggle switch switching selection.
It further comprise that it further includes in a preferred embodiment of the present invention,
Coordinator, each Function Extension area pass through the internetwork connection mode allowed hand over and connect with coordinator；
Embedded gateway, the coordinator pass through the internetwork connection mode allowed hand over and connect with embedded gateway
Network selection unit, each Function Extension area, coordinator is equal and embedded gateway is connect with network selection unit.
It further comprise each Function Extension area, coordinator and embedded net in a preferred embodiment of the present invention
It shuts and is integrated with 485 modules and ZigBee module, when the Function Extension area and coordinator communicate, the network selection unit
Currently used communication module is selected in 485 modules and ZigBee module；When the coordinator and embedded gateway communicate, institute
It states network selection unit and selects currently used communication module in 485 modules and ZigBee module.
It further comprise that the coordinator is equipped under AccessPort interface and SWD in a preferred embodiment of the present invention
Interface is carried, the coordinator is connect, by SWD download interface and SWD with AccessPort piece modeling block by AccessPort interface
Lower slide glass modeling block connection；Coordinator is corresponded in the downloading debugging function area to stir equipped with AccessPort toggle switch and downloading
Switch.
It further comprise corresponding to each debugging in the downloading debugging function area to stir in a preferred embodiment of the present invention
Switch, downloading toggle switch are equipped with state display lamp.
In a preferred embodiment of the present invention, further comprise be integrated in each expansion board collector and
Actuator.
It further comprise that the collector and actuator include highlighted LED, colorful in a preferred embodiment of the present invention
LED, infrared sensor of the human body, carbon dioxide sensor, Temperature Humidity Sensor, intensity of illumination sensor, UV sensor,
MQ-5 methane transducer, MQ-2 smoke sensor device, flame sensor, PM2.5 sensor, optoelectronic switch, to penetrate switch, alarm
Lamp, alarm LED, RFID card reader, Mini12864 liquid crystal display, steering engine, Mini fan, screw rod band slide unit stepper motor, after
The combination of one or more of electric appliance, electromagnetic lock, fingerprint sensor, matrix keyboard.
It further comprise all Function Extension area, coordinator and embedded gateway in a preferred embodiment of the present invention
On be equipped with power control switch, all Function Extension area, coordinator and embedded gateway pass through respective power supply and control
Switch manages power supply independently.
It further comprise on each Function Extension area, coordinator and embedded gateway in a preferred embodiment of the present invention
Corresponding respective power control switch is equipped with state display lamp.
One, Internet of Things comprehensive experimental system of the invention, system architecture is clear, it is comprehensive it is strong, it is open it is good, convenient for pipe
Reason, exploitation interaction is friendly, development efficiency is high.
Secondly, operation toggle switch can carry out program downloading and AccessPort to each Function Extension area, not need
Frequent plug downloading wire and debugging line, the service life of extension function expansion area.
Thirdly, between expansion board and Function Extension area using the expansion interface connection of unified standard, expansion board
It can be plugged in any one Function Extension area, good compatibility, while increase considerably the quantity and abundant biography of sensing node
The function of feeling node, is able to carry out the real training and demonstration of multiple scenes.
Four, Function Extension area is fixedly installed, and expansion board needs to be plugged on any one Function Extension according to experiment
Qu Shang is conducive to laboratory room managing.
Five, integrated two kinds of network connections between Function Extension area and coordinator, between coordinator and embedded gateway
Mode, one is the wired communication modes based on 485, and one is the communications based on ZigBee, and as needed may be used
With switching, operated conducive to exploitation debugging and data transmission, the expansion conducive to the scope of one's knowledge in teaching process and practice.
Detailed description of the invention
Fig. 1 is the structural block diagram of the preferred embodiment of the present invention；
Fig. 2 is the power supply system structural block diagram of the preferred embodiment of the present invention；
Fig. 3 is the structural block diagram in preferred embodiment of the present invention Function Extension area；
Fig. 4 is the structural block diagram of preferred embodiment of the present invention coordinator；
Fig. 5 is the structural block diagram of preferred embodiment of the present invention embedded gateway.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment
As shown in Figs. 1-5, present embodiment discloses a kind of Internet of Things comprehensive experimental system, including multiple expansion boards,
Multiple Function Extension areas, embedded gateway, download debugging function area and network selection unit, the company between each component at coordinator
It connects relationship or logical relation is as follows:
1. being based on wired or wireless network connection mode before Function Extension area and coordinator to connect；
2. being connected between coordinator and embedded gateway based on wired or wireless network connection mode；
It is communicated 3. embedded gateway is based on ICP/IP protocol with host computer；
④Ge Function Extension area and coordinator are connect with downloading debugging function area, and the unified management of downloading debugging function area is each
The SWD program download function and AccessPort function in Function Extension area and coordinator；
5. internetwork connection mode between network selection unit selection function expansion area and coordinator, selection coordinator and embedding
Enter the internetwork connection mode between formula gateway.
The specific structure of each component part is as follows:
One, expansion board
Expansion board is independent function platelet one by one, and the I/O of unified standard is equipped in each expansion board
Expansion interface is integrated with collector and actuator in each expansion board, replaces household electrical appliances, illumination, security protection, friendship for simulating
It is logical, smart lock etc..
Specifically, above-mentioned collector and actuator include highlighted LED, colorful LED, infrared sensor of the human body, carbon dioxide
Sensor, Temperature Humidity Sensor, intensity of illumination sensor, UV sensor, MQ-5 methane transducer, MQ-2 smog sensing
Device, flame sensor, PM2.5 sensor, optoelectronic switch, to penetrate switch, alarm lamp, alarm LED, RFID card reader,
Mini12864 liquid crystal display, steering engine, Mini fan, screw rod band slide unit stepper motor, relay, electromagnetic lock, fingerprint sensing
The combination of one or more of device, matrix keyboard.
In the present embodiment, eight expansion boards of preferred design, eight Function Extension areas, certainly, according to actual use need
It wants, greater number of expansion board and Function Extension area can also be designed, do not do special limitation to the quantity of the two herein.
Each expansion board is individually present；Each Function Extension area is individually present, and is fixedly installed.According to different experiment need
It wants, expansion board is taken to be inserted into corresponding Function Extension area；Expansion board and Function Extension area physical connection pass through
2.54mm mother row connect with socket, is connected using double-row seat, and connection simply, securely, avoids during transportation due to vibration
Etc. factors cause expansion board to fall off.Between expansion board and Function Extension area by unified standard I/O extend mouth into
The transmission of row data.
Two, Function Extension area
Function Extension area is the pedestal designed on PCB, provides a standard, unified expansion interface.Such as Fig. 3
Shown, each Function Extension Qu Shangjun is integrated with 485 modules (the preferably chip of model MAX3485), ZigBee module (preferably
The chip of model CC2530), unified standard I/O expansion interface, AccessPort interface, SWD download interface, microcontroller
(the preferably chip of model STM32F103C8T6), Voltage stabilizing module, power supply control and communication selection module.
Three, coordinator
As described in Figure 4,485 modules (the preferably chip of model MAX3485), ZigBee module are integrated on coordinator
(the preferably chip of model CC2530), the I/O expansion interface of unified standard, AccessPort interface, SWD download interface, micro-control
Device (the preferably chip of model STM32F103ZET6) processed, Voltage stabilizing module, power supply control, communication selection module, SD card module,
Wifi module and liquid crystal display (preferably model 320*480TFT liquid crystal display).
Four, embedded gateway
As shown in figure 5, being integrated with 485 modules (the preferably chip of model MAX3485), ZigBee mould on embedded gateway
Block (the preferably chip of model CC2530), the I/O expansion interface of unified standard, AccessPort interface, SWD download interface, tree
The certain kind of berries sends (preferably model PI3), power supply control, communication selection module, liquid crystal display and touch screen, wherein raspberry pie PI3 from
Body integrates WIfi, bluetooth, supports up to 10 touch-controls.
Five, debugging function area is downloaded
Downloading debugging function area includes slide glass modeling block under AccessPort piece modeling block and SWD.
Each Function Extension area and coordinator pass through respective AccessPort interface and connect with AccessPort piece modeling block,
Each Function Extension area and coordinator are connect by respective SWD download interface with slide glass modeling block under SWD.
Each Function Extension area is corresponded in above-mentioned downloading debugging function area, coordinator is equipped with AccessPort toggle switch and
Download toggle switch；The Function Extension area for currently needing to debug by the switching selection of AccessPort toggle switch, is dialled by downloading
Dynamic switching selects the Function Extension area for currently needing to download；Coordinator is dialled by AccessPort toggle switch and SWD downloading
Dynamic switch is downloaded to choose whether to carry out AccessPort and program.
Specifically, AccessPort interface is connect with AccessPort piece modeling block by PCB conducting wire, in the process of AccessPort
In the selected of debugging target carried out by the debugging toggle switch stirred in AccessPort piece modeling block, and there is corresponding state to refer to
Show that lamp prompt indicates current gating target, does not need the plug of AccessPort line, and stateful indicator light in the process
Prompt gating target.
SWD download interface is connect with slide glass modeling block under SWD by PCB conducting wire, by stirring during SWD downloading
Downloading toggle switch under SWD in slide glass modeling block (4) is downloaded the selected of target, and has corresponding instruction state warning light
It indicates current gating target, does not need the plug of SWD downloading wire in the process, and have indicator light prompt gating target.
Using traditional programming mode and AccessPort mode, need to plug each module meeting so at least twice
Accelerate the damage of programming and debugging interface.And it is of the invention, unified management program burn writing and AccessPort region are in hardware and software debugging
During it is convenient, fast, greatly improve development efficiency.
Six, network selection unit
Each Function Extension area, coordinator is equal and embedded gateway is connect with network selection unit.
When above-mentioned Function Extension area and coordinator communicate, network selection unit selects in 485 modules and ZigBee module
Currently used communication module；When above-mentioned coordinator and embedded gateway communicate, network selection unit is in 485 modules and ZigBee
Currently used communication module is selected in module.
Each Function Extension area, coordinator and embedded gateway are corresponded on network selection unit is equipped with gating switch and shape
State indicator light for gating the communication pattern currently needed, and is indicated current communication pattern by status indicator lamp.
There was only ZigBee or 485 communication modes for Internet of Things test platform now on the market, cannot open up well
It opens up the phenomenon that the test of developer is arranged in pairs or groups, this experiment porch provides ZigBee and 485 two kinds of communication modes, and two kinds of communications
Mode can switch.We design through network selection unit come switch communication mode thus, do not needed when switching into
Any wiring plug operation of row, it is only necessary to which stirring gating switch can switch well between the two networks.Whole
Any patch cord operation is not needed during a network selection, it is only necessary to which ZigBee/485 network can be realized in toggle switch
Between switching, significantly reduce operation difficulty and improve development efficiency.
More than, power control switch, all function are equipped on all Function Extension areas, coordinator and embedded gateway
Energy expansion area, coordinator and embedded gateway pass through respective power control switch and manage power supply independently；Each Function Extension
Respective power control switch is corresponded on area, coordinator and embedded gateway is equipped with state display lamp.
Each key point has power control switch in power supply system, by total in total electric control switch control platform
Power supply, the electric power thus supplied of each functional areas can be individually controlled by the power control switch by each functional areas, in this way may be used
The problems such as avoiding current unused functional areas that short circuit occurs during operation, greatly improves the safety of equipment.
The experimental system of the above structure supports following experiment and scene project:
1. being tested based on Cortex-M3 kernel STM32 microcontroller
1.1 one STM32 single-chip microcontroller Integrated Development Environment Keil5 of experiment are built
1.2 two general I/O interface experiments of experiment
1.3 experiment three timers experiments
1.4 four interrupt experiments of experiment
1.5 experiment five USART communication experiments
1.6 experiment six PWM experiments
2. sensor experiment
2.1 experiment one carbon dioxide sensor experiments
2.2 experiment two Temperature Humidity Sensors experiments
2.3 three intensity of illumination sensor experiments of experiment
2.4 testing four uitraviolet intensity sensor experiments
2.5 experiment five PM2.5 sensor experiments
2.6 experiment six infrared sensor of the human body experiments
2.7 experiment seven methane transducers experiments
2.8 experiment eight smoke sensor devices experiments
2.9 nine flame sensor experiments of experiment
2.10 ten optoelectronic switch sensor experiments of experiment
2.11 experiment 11 fingerprint sensors experiments
3. actuator is tested
3.1 experiments one adjust the brightness experiment of LED by operation TP4115
3.2 two WS2812B colorful LED operation experiments of experiment
3.3 experiment, three control alarm lamp flashing experiment
3.4 experiment, four control alarms pipe experiment
3.5 experiment fives control steering engine rotation test
3.6 experiment, six control MINI12864 liquid crystal display display experiment
3.7 experiment, seven control MINI fan work experiment
3.8 experiment, the eight mobile experiment of control screw rod stepper motor sliding block
3.9 experiment, nine control relay opens closure experiment
3.10 experiment, ten control electromagnetic lock unlocking experiment
3.11 experiment, 11 control TFT color screen shows character and geometric figure
3.12 12 SD card operation experiments of experiment
4.RFID radio-frequency card Comprehensive Experiment (ETC charging system)
5. matrix keyboard key detects
6. the embedded OS based on raspberry pie is tested
6.1 one embedded cross translation and compiling environments of experiment being built and testing
6.2 two Android system transplantation experiments of experiment
The three embedded formula linux systems cutting of 6.3 experiments, transplantation experiments
6.4 experiment four built-in Linux file I/Os experiments
6.5 experiment five built-in Linux files and catalogue
6.6 experiment six built-in Linux signals experiments
6.7 experiment seven built-in Linux Process flowcharts experiments
6.8 experiment eight built-in Linux multithreadings experiments
6.9 experiment nine built-in Linux interprocess communications experiments
6.10 experiment ten built-in Linux network programmings experiments
7. built-in Linux driving experiment
7.1 experiment one USB driving experiments
7.2 experiment two SD cards driving experiments
7.3 experiment three bluetooths driving experiments
7.4 experiment four WiFi driving experiments
8. scene Comprehensive Experiment
8.1 Intelligent household scene
8.2ETC charging system
8.3 security protection detection systems
8.4 environment information acquisition
8.5 light management systems
8.6 intelligent entrance guard.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of Internet of Things comprehensive experimental system, it is characterised in that: including,
Multiple expansion boards are equipped with expansion interface in each expansion board；
Multiple Function Extension areas, each expansion board can be with any one of functions by respective expansion interface
Expansion area connection；AccessPort interface and SWD download interface are equipped in each Function Extension area；
Download debugging function area comprising slide glass modeling block under AccessPort piece modeling block and SWD, each Function Extension Qu Juntong
It crosses respective AccessPort interface to connect with the AccessPort piece modeling block, each Function Extension area passes through respective SWD
Download interface is connect with slide glass modeling block under the serial ports SWD；
Correspond to that each Function Extension area is equipped with AccessPort toggle switch and downloading is stirred out in the downloading debugging function area
It closes, the Function Extension area for currently needing to debug by AccessPort toggle switch switching selection is stirred by the downloading
Switching selects the Function Extension area for currently needing to download.
2. Internet of Things comprehensive experimental system as described in claim 1, it is characterised in that: it further includes,
Coordinator, each Function Extension area pass through the internetwork connection mode allowed hand over and connect with coordinator；
Embedded gateway, the coordinator pass through the internetwork connection mode allowed hand over and connect network selection list with embedded gateway
Member, each Function Extension area, coordinator is equal and embedded gateway is connect with network selection unit.
3. Internet of Things comprehensive experimental system as claimed in claim 2, it is characterised in that: each Function Extension area is coordinated
485 modules and ZigBee module are integrated on device and embedded gateway, it is described when the Function Extension area and coordinator communicate
Network selection unit selects currently used communication module in 485 modules and ZigBee module；The coordinator and embedded
When gateway communication, the network selection unit selects currently used communication module in 485 modules and ZigBee module.
4. Internet of Things comprehensive experimental system as claimed in claim 2, it is characterised in that: the coordinator is equipped with AccessPort
Interface and SWD download interface, the coordinator are connect, by under SWD with AccessPort piece modeling block by AccessPort interface
Interface is carried to connect with slide glass modeling block under SWD；Coordinator is corresponded in the downloading debugging function area to stir out equipped with AccessPort
Close and download toggle switch.
5. Internet of Things comprehensive experimental system as described in claim 1 or 4, it is characterised in that: in the downloading debugging function area
Corresponding each debugging toggle switch, downloading toggle switch are equipped with state display lamp.
6. Internet of Things comprehensive experimental system as described in claim 1, it is characterised in that: collect in each expansion board
At having collector and actuator.
7. Internet of Things comprehensive experimental system as claimed in claim 6, it is characterised in that: the collector and actuator include height
It is bright LED, colorful LED, infrared sensor of the human body, carbon dioxide sensor, Temperature Humidity Sensor, intensity of illumination sensor, ultraviolet
Line sensor, MQ-5 methane transducer, MQ-2 smoke sensor device, flame sensor, PM2.5 sensor, optoelectronic switch, to penetrating out
Pass, alarm lamp, alarm LED, RFID card reader, Mini12864 liquid crystal display, steering engine, Mini fan, screw rod band slide unit stepping
The combination of one or more of motor, relay, electromagnetic lock, fingerprint sensor, matrix keyboard.
8. Internet of Things comprehensive experimental system as claimed in claim 2, it is characterised in that: all Function Extension area, coordinator
With power control switch is equipped on embedded gateway, all Function Extension area, coordinator and embedded gateway pass through respectively
From power control switch manage power supply independently.
9. Internet of Things comprehensive experimental system as claimed in claim 8, it is characterised in that: each Function Extension area, coordinator and
Respective power control switch is corresponded on embedded gateway is equipped with state display lamp.
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| CN102324203A (en) * | 2011-07-12 | 2012-01-18 | 无锡职业技术学院 | Comprehensive practical training device for Internet of things |
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