CN110211463A - A kind of Internet of Things experimental box of short-distance wireless communication - Google Patents
A kind of Internet of Things experimental box of short-distance wireless communication Download PDFInfo
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- CN110211463A CN110211463A CN201910488895.0A CN201910488895A CN110211463A CN 110211463 A CN110211463 A CN 110211463A CN 201910488895 A CN201910488895 A CN 201910488895A CN 110211463 A CN110211463 A CN 110211463A
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- 230000005611 electricity Effects 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
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Abstract
The invention discloses a kind of Internet of Things experimental boxs of short-distance wireless communication, including cabinet, case lid, circuit board, radiator and reserved space, the cabinet is connected with case lid by fixed connection buckle, the radiator is below circuit board, the reserved space is in the leftmost side of entire cabinet, wherein circuit board includes STM32 microcontroller and peripheral circuit module, ESP8266WIFI module, RC522 radio frequency identification module and bluetooth module, power module, LCD touch display screen module, multiple sensors module and can arbitrarily plug bread board rest area.The present invention solves existing experimental box flexibility and scalability is poor, equipment it is old in addition with the not high realistic problem of Internet of Things professional technique matching degree, it imparts knowledge to students for Internet of Things and provides the experimental facilities of convenient and efficient with exploitation, allow students are more intuitive to experience technology of Internet of things simultaneously, the knowledge such as the acquisition, transmission and processing of data are grasped in a manner of practice, and book knowledge and practice is allowed to operate seamless interfacing.
Description
Technical field
The present invention relates to a kind of experimental box, especially a kind of Internet of Things experimental box based on STM32 microcontroller belongs to short
Distance wireless communication Internet of Things experimental teaching field, the experiment porch that can be used as colleges and universities' Internet of Things profession are taught for teacher's experimental demonstration
It learns or student tests.
Background technique
Internet of Things is by various information sensing devices and system (such as sensor network, Radio Frequency Identification Technology, infrared sensing
Device, bar code and two dimensional code identification, global positioning system, laser scanner etc.) and other short distances based on object object communication pattern
Any object is connected to be formed with internet by various access nets by the agreement of agreement from wireless sensor network
A huge intelligent network, information exchange, transmitting and communication can be carried out by this network, to realize to the intelligence of object
Energyization identification, positioning, tracking, monitoring and management.
The Internet of Things application field range of all things on earth interconnection is wide, is the important directions of development in science and technology of future, therefore many colleges and universities
The relevant profession of Internet of Things is all opened up.It learns technology of Internet of things well and needs very strong theoretical knowledge, from the acquisition and perception of data,
To the transmission and processing of data, how will be abstracted that uninteresting theoretical knowledge is more intuitive to allow students to receive to become a difficulty
Topic.Currently, the Internet of Things Specialty Experiment equipment used on colleges and universities' experiment classroom is the base of original communications electronics experimental box mostly
Done some simple improvement on plinth, had a single function, equipment it is old in addition with Internet of Things professional technique matching degree not high, basic nothing
Method allows student quickly and effectively to grasp Internet of Things knowledge.
Summary of the invention
A kind of Internet of Things experimental box of the short-distance wireless communication designed the present invention be directed to Internet of Things teaching, it is therefore an objective to
In order to allow students are more intuitive to experience technology of Internet of things, acquisition, transmission and processing of data etc. are grasped in a manner of practice
Knowledge.
The technical scheme adopted by the invention is as follows: a kind of Internet of Things Teaching Experiment Box of short-distance wireless communication, wherein wrapping
Experimental box body is included, includes STM32 micro controller module, bluetooth module, RC522 radio frequency identification module, ESP8266WIFI in cabinet
Module, LCD touch display screen module, multiple sensors module, monitoring terminal, power module and can arbitrarily plug bread board
Rest area.The STM32 micro controller module serves as the core MCU of entire experimental box, is equivalent to brain；The bluetooth mould
Block, RFID radio frequency identification module, ESP8266WIFI module are the main functional modules of this experimental box, pass through programming convenient for student
Above-mentioned communication module is controlled, intuitively experiences the flow direction in entire experiment of data flow in real time；The multiple sensors mould
Block is mainly used as the acquisition of data, serve as experimental box signal input, as HS0038 infrared sensor, gas fume sensor,
HC-SR04 distance sensor module, pressure sensor, DS18B20 temperature sensor etc.；The monitoring terminal is respectively to fix
Formula monitor terminal and mobile monitor terminal, fixed monitor terminal is mainly the LCD touch display screen on experimental box, for showing
Show that experiment effect, mobile monitor terminal can be mobile phone or the end PC, can be connected with the communication module on experimental box, in real time
Carry out data interaction；The power module is the voltage reduction module of 220V AC voltage conversion 5V DC voltage, meets experiment
The voltage requirements of modules on case；It is described can random plug bread board rest area, mainly facilitate student according to function
Designed, designed can be needed to build circuit and debugged, do not need individually to weld, increase the flexibility of experimental box；The modules
Chip pin all with row needle independently draws, convenient for student according to function needs voluntarily connected according to schematic diagram, programming realization control
System.
Preferably, experimental box includes case lid, is connected by fixed lockhole with lower square box, is beneficial to prevent for a long time not
Ash and dampness are fallen using circuit in case；There are the fan voluntarily switched or other heat dissipation tools below circuit in case, prevents circuit
Working time, too long fever influenced performance；There are insulation board in two sides, can not only make cabinet more stable but also can play anti-leak-stopping
The effect of electric protection, greatly increases safety.
Preferably, there are part reserved space in box house two sides, can place some accessories that some experiments can use, example
Such as: power supply line, downloader, emulator, inside Du Pont's line and experimental box modules detail specifications, can allow student
It need not be to facilitate teacher management by losing the interest to experiment because lacking thing or lacking related data.
Preferably, the chip of modules can free plug, so that unexpected burn can find to be replaced in time, together
When can allow student it is more intuitive observation circuit module connection, increase flexibility and reliability.
The present invention have compared with the existing technology it is following the utility model has the advantages that
1, the student that the present invention is very suitable to Internet of Things relevant speciality learns by experimentation, and student can know according to institute's theory
Know, voluntarily circuit connection, go control module to realize corresponding function by programming, rather than circuit connecting mode is fixed, solidifies
The thinking of students, while each module is independently placed, and student's orderliness can be made clearly to go planning function, got one's ideas into shape, just
In understanding；
2, the hardware device that the experiment of all Internet of Things is used all has been placed in the same experimental box by the present invention, is convenient for teacher management
Student experimenting；
3, the present invention relates to the short-range wireless communication module of current Internet of Things the relevant technologies and multiple sensors module,
The acquisition for experiencing data information, transmission, processing and the display for making students practical make students side entirely by resource abundant
The understanding Internet of Things in face provides good guarantee to learn Internet of Things relevant knowledge well.
Detailed description of the invention
Fig. 1 is Internet of Things experimental box box structure diagram of the invention.
Fig. 2 is the subregion top view of each module in Internet of Things experimental box of the invention.
Wherein, 1- cabinet, 2- case lid, 3- circuit board, 4- radiator, 5- reserved space, 6-STM32 unit module, 7-
ESP8266WIFI module, 8-RC522 radio frequency identification module, 9- bluetooth module, 10- power module, 11-LCD touch display screen mould
Block, 12- multiple sensors module, 13- can arbitrarily plug bread board rest area.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing, and embodiments of the present invention are not limited thereto.
As shown in Figure 1, present embodiments provide a kind of experimental box of short-distance wireless communication, it include cabinet 1, case lid 2,
Circuit board 3, radiator 4 and reserved space 5, wherein the case lid 2 is attached by fixed connection buckle with cabinet 1,
The circuit board 3 is embedded in cabinet 1, and the radiator 4 is mounted below the circuit board 3 in cabinet 1.Wherein radiate
Device 4 can be the fan voluntarily switched or other heat dissipation tools, prevent the too long fever of circuit working time from influencing performance；In advance
Spacing 5 can place some other accessories that some experiments can use, such as: power supply line, downloader, emulator, Du Pont's line
And the detail specifications etc. of experimental box inside modules, it can allow student need not be because lacking thing or lacking related data
To facilitate teacher management by losing the interest to experiment.
On circuit board 3 modules subregion as shown in Fig. 2, have on the circuit board 3 STM32 unit module and 6,
ESP8266WIFI module 7, RC522 radio frequency identification module 8 and bluetooth module 9, power module 10, LCD touch display screen module
11, multiple sensors module 12 and can arbitrarily plug bread board rest area 13.
The STM32 unit module 6 includes STM32 microcontroller and its peripheral circuit, such as clock circuit, reset circuit
And the interface circuit etc. of burning downloading program, meet the basic circuit of experiment box circuit work.
The ESP8266WIFI module 7 may be constructed a set of Internet of Things system that data interaction can be carried out with cloud platform
System, students develop ESP8266WIFI module using AT instruction, and configuration WIFI module connects cloud platform, by experimental box
On the collected data of multiple sensors 11 or other information be uploaded to OneNET cloud platform, here sensor acquisition letter
Breath can be temperature, humidity, gas concentration etc., while can send instructions down in cloud platform WEB terminal or cell phone application end, remotely
The LED light group on experimental box is controlled, students is made to understand the process of WIFI connection and data transmit-receive.
The RC522 radio frequency identification module 8 is the contactless communication chip of a common high integration, students
Can be with the card number of programming Control reading campus card and in liquid crystal display screen display card number, it further can be in EEPROM
Some card numbers to be deposited, the card number in the card number and EEPROM of RC522 reading is compared one by one, identical relay is opened, and LED light is bright,
Otherwise cut-off, LED light are extinguished, and relay here is equivalent to the door of cell, the door of simple simulation cell is realized
Access control system.
The bluetooth module 9, we can be used as mobile phone and connect with bluetooth module to carry out data transmission, this experimental box we
Be mainly used as bluetooth module radio frequency testing experiment, including test bluetooth module power spectral density, output power spectrum
Frequency range and frequency drift ratio, carrier-in-interference transmit the bit error rate etc. of data, this experiment can allow students close
Distance perception is communicated elusive abstract noun by power spectral density, frequency drift ratio, carrier wave and the bit error rate etc..
The power module 10 turns 5V DC decompression module using 220V exchange, provides electricity for the module in experimental box
Pressure.
The LCD touch display screen module 11 is mainly used to intuitively show experiment knot as fixed monitor terminal
Fruit.
The multiple sensors module 12, is mainly used as the acquisition of data, serves as the signal input of experimental box, such as
HS0038 infrared sensor, gas fume sensor, HC-SR04 distance sensor module, pressure sensor, DS18B20 temperature
Sensor etc..Collected data are transferred in STM32 core unit module by sensor module, by analysis and after processing,
It is shown on LCD liquid crystal display or is transferred to mobile phone terminal or the end PC, real-time transmitting monitor data by communication module.
It is described can random plug bread board rest area 13, mainly student is facilitated to need designed, designed to take according to function
It builds circuit and debugs, do not need individually to weld, increase the flexibility of experimental box.
In conclusion the present invention has selected STM32 as microcontroller, and it is more common to be compatible with current internet of things field
Short-distance wireless communication development and application module, get rid of that existing Internet of Things experiment tank module is single, flexibility is poor equal
Limitation, at the same add students actively experiment interest, incremental guidance students from study book knowledge transition
To reality.All chip modules of the invention simultaneously are easy installation and removal, if misoperation need not be tested entirely when damaging
Case replacement, only needs to change corresponding module, to reduce costs, convenient for management.
It should be understood by those skilled in the art that above description and the embodiment of the present invention shown in the drawings are only this hair
Bright preferred embodiment, is not intended to restrict the invention, although there is the detailed description to the embodiment of the present invention above, this field
Technical staff can still modify to above-mentioned technical solution, or be equivalently replaced with same use.It is all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of Internet of Things experimental box of short-distance wireless communication, it is characterised in that: including cabinet, case lid, circuit board, heat dissipation dress
It sets and reserved space, the cabinet and case lid is connected by fixed connection buckle, the radiator is in circuit board
Below, the reserved space is in the leftmost side of entire cabinet, and wherein circuit board includes STM32 microcontroller and peripheral circuit
Module, ESP8266WIFI module, RC522 radio frequency identification module and bluetooth module, power module, LCD touch display screen module,
Multiple sensors module and can arbitrarily plug bread board rest area.
2. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1, it is characterised in that: including cabinet and
Case lid, the case lid and cabinet are connected by a kind of connection buckle of fixation.
3. a kind of short-distance wireless communication Internet of Things experimental box according to claim 2, it is characterised in that: in the cabinet
There is circuit board in portion, has radiator below circuit board, has reserved space on the left of circuit board, wherein radiator, which can be, voluntarily opens
The fan of pass or other heat dissipation tools, reserved space can place some other accessories that some experiments can use, power supply line,
The detail specifications of modules inside downloader, emulator, Du Pont's line and experimental box.
4. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1 or 3, it is characterised in that: the electricity
Road plate includes STM32 microcontroller and its peripheral circuit, such as the interface electricity of clock circuit, reset circuit and burning downloading program
Road etc. meets the basic circuit of experiment box circuit work.
5. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1 or 3, it is characterised in that: the electricity
Road plate includes ESP8266WIFI module, may be constructed a set of Internet of things system that data interaction can be carried out with cloud platform, will be real
The collected data of multiple sensors or other information in tryoff are uploaded to OneNET cloud platform, while in cloud platform WEB terminal
Or cell phone application end can send instructions down, the LED light group on Remote Control Experiment case.
6. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1 or 3, it is characterised in that: the electricity
Road plate includes RC522 radio frequency identification module, the card number of campus card can be read with programming Control and in liquid crystal display screen display
Card number can further be used to realize the access control system of simple simulation cell.
7. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1 or 3, it is characterised in that: the electricity
Road plate includes bluetooth module, the experiment of radio frequency testing as bluetooth module, including the power spectral density of test bluetooth module,
The frequency range and frequency drift ratio, carrier-in-interference of output power spectrum, transmit the bit error rate of data.
8. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1 or 3, it is characterised in that: the electricity
Road plate include provided for the module in experimental box voltage 220V exchange turn 5V DC decompression power module and for showing reality
Test the fixed monitor terminal LCD touch display screen module of result.
9. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1 or 3, it is characterised in that: the electricity
Road plate includes multiple sensors module, HS0038 infrared sensor, gas fume sensor, HC-SR04 distance sensor module,
Pressure sensor, DS18B20 temperature sensor.
10. a kind of short-distance wireless communication Internet of Things experimental box according to claim 1 or 3, it is characterised in that: the electricity
Road plate include can arbitrarily plug bread board rest area, mainly facilitate student to need designed, designed to build circuit simultaneously according to function
Debugging, do not need individually to weld, all module chips of this experimental box all can voluntarily plug, increase flexibility.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488895.0A CN110211463A (en) | 2019-06-05 | 2019-06-05 | A kind of Internet of Things experimental box of short-distance wireless communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910488895.0A CN110211463A (en) | 2019-06-05 | 2019-06-05 | A kind of Internet of Things experimental box of short-distance wireless communication |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278232Y (en) * | 2008-10-27 | 2009-07-22 | 北京奥尔斯电子科技有限公司 | Teaching and experiment system for virtual instrument technique |
| CN203520727U (en) * | 2013-11-02 | 2014-04-02 | 常州信息职业技术学院 | Portable STM32 one-chip microcomputer teaching experiment instrument |
| CN204596285U (en) * | 2015-05-06 | 2015-08-26 | 山东大学 | A kind of sensor experiment case |
| CN106781921A (en) * | 2017-01-18 | 2017-05-31 | 广州大学 | A kind of Internet of Things experimental box based on STM32 microcontrollers |
| CN207352841U (en) * | 2017-09-13 | 2018-05-11 | 嘉应学院 | A kind of singlechip experimental facility for communication experiment |
| WO2018185381A1 (en) * | 2017-04-04 | 2018-10-11 | Brainwork Innovation Technologies | System for managing a generic practical teaching platform and method implemented by said system |
-
2019
- 2019-06-05 CN CN201910488895.0A patent/CN110211463A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278232Y (en) * | 2008-10-27 | 2009-07-22 | 北京奥尔斯电子科技有限公司 | Teaching and experiment system for virtual instrument technique |
| CN203520727U (en) * | 2013-11-02 | 2014-04-02 | 常州信息职业技术学院 | Portable STM32 one-chip microcomputer teaching experiment instrument |
| CN204596285U (en) * | 2015-05-06 | 2015-08-26 | 山东大学 | A kind of sensor experiment case |
| CN106781921A (en) * | 2017-01-18 | 2017-05-31 | 广州大学 | A kind of Internet of Things experimental box based on STM32 microcontrollers |
| WO2018185381A1 (en) * | 2017-04-04 | 2018-10-11 | Brainwork Innovation Technologies | System for managing a generic practical teaching platform and method implemented by said system |
| CN207352841U (en) * | 2017-09-13 | 2018-05-11 | 嘉应学院 | A kind of singlechip experimental facility for communication experiment |
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