CN206946788U - A kind of novel electron technology experiment system based on MCU - Google Patents
A kind of novel electron technology experiment system based on MCU Download PDFInfo
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- CN206946788U CN206946788U CN201720464402.6U CN201720464402U CN206946788U CN 206946788 U CN206946788 U CN 206946788U CN 201720464402 U CN201720464402 U CN 201720464402U CN 206946788 U CN206946788 U CN 206946788U
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Abstract
It the utility model is related to a kind of novel electron technology experiment system based on MCU.Its technical scheme is:Microcontroller uses the single-chip microcomputer C8051F120 with analog signal and data signal, the action for the I/O control relays that failure of chip setup module, power failure setup module and input and output failure setup module pass through microcontroller, the break-make of signal and the switching of circuit are realized, with the loose contact of the wire and chip that occur in this analog circuit;In addition, gathering the information of trouble point by A/D, the monitoring of student experimenting process is realized by wireless communication module.Beneficial effect is:By increasing microcontroller and wireless module, trouble point setting and monitoring function are realized using host computer, realizes the intellectuality of Experiment of Electronic Technology system.Set with trouble point and the smart electronics experimental system of monitoring function is a kind of brand-new experimental system.
Description
Technical field
It the utility model is related to a kind of Experiment of Electronic Technology system, more particularly to a kind of novel electron technology based on MCU
Experimental system.
Background technology
As the basis of Electronics Technology Practice Teaching, domestic and international many colleges and universities have carried out deep grind to Experiment of Electronic Technology
Study carefully and explore, also reformed and adjusted accordingly.Many colleges and universities by buy set of Experiment of Electronic Technology system come
Meeting the needs of Experimental Hardware, early stage is also once commercially crossed finished product experimental box in my school, but through examination after a while
With, it has been found that existing Experiment of Electronic Technology system mainly emphasize function it is comprehensive, experimental problem purpose diversity can be done,
Few experimental systems for strengthening students ' analysis circuit, searching fault.Student is during testing when running into
It is usually helpless, have no way of doing it, do not know how solve the problems, such as to run into during problem, by the communication with student and to it
The investigation of its colleges and universities, it has been found that:
Although electronic technology chip model is numerous, it is limited to laboratory condition, while is easy to manage, laboratory is general
The chip limitednumber of offer, corresponding student's design is also restrained, so causes student to be disinclined to beat one's brains, copy mutually
Attack.If experimental system hardware has the function of setting trouble point, so that it may accomplish that a people one inscribes, the process of trouble-shooting point just as
Precious process is sought, student's ratio is relatively interesting, can drastically increase student and do the enthusiasm tested.
2. often occur the mistakes and errors that some students often violate during Experiment of Electronic Technology, sometimes this mistake
It is typical and universal, student usually delays substantial amounts of experimental period because mistake is searched, if that can set failure
The Experiment of Electronic Technology system of point, contributes to student to deepen the impression, the same mistake of the criminal of avoiding by artificial this failure of simulation
By mistake, energy is put into the design and analysis of circuit.
The use of conventional electronic measuring instrument is the basic skills that student should grasp, but at this stage to instrument
Study and use scattered, single, few topics that various instruments can be comprehensively utilized with training student.If can be with
The Experiment of Electronic Technology system of trouble point is set, and by deliberately setting some glitch, student can be learnt with task
The use of instrument, so it is capable of the use range and advantage and disadvantage of more various measuring instruments, selection and use of the student to instrument
Just can more efficiently and effect.
The content of the invention
The purpose of this utility model is aiming at drawbacks described above existing for prior art, there is provided a kind of based on the new of MCU
Experiment of Electronic Technology system, by increasing microcontroller and wireless module, realize that trouble point sets and monitored work(using host computer
Can, realize the intellectuality of Experiment of Electronic Technology system.
Its technical scheme is:Including microcontroller, failure of chip setup module, power failure setup module, input and output
Failure setup module, wireless communication module, the microcontroller use the single-chip microcomputer with analog signal and data signal
C8051F120, microcontroller connect failure of chip setup module, power failure setup module, input and output failure and set respectively
Module and wireless communication module, wherein, failure of chip setup module, power failure setup module and input and output failure set mould
The action for the I/O control relays that block passes through microcontroller, realizes the break-make of signal and the switching of circuit, with this analog circuit
The loose contact of the wire and chip of appearance;In addition, gathering the information of trouble point by A/D, realized and learned by wireless communication module
The monitoring of raw experimentation.
Wireless communication module is made up of two parts, when collection and the emitter of signal, by sensor and SRWF-501
Integrated circuit modules are formed;Second, the reception of signal, measurement and control device, by SRWF-501 integrated circuit modules and upper
Server end is formed, and SRWF-501 integrated circuit modules are connected by three leads with single-chip microcomputer C8051F120, single-chip microcomputer
C8051F120 realizes the reception and transmission of the data between SRWF-501 by two interfaces of RXD and TXD, belongs to half-duplex and leads to
Letter mode.
SRWF-501 is connected by other three leads with the serial ports of PC, and PC realizes data by the RX and TX of serial ports
Reception and transmission, belong to half-duplex operation mode.
Serial port baud rate is all set to 9600 between single-chip microcomputer and microcomputer.
SRWF-501 is a kind of chip of monolithic wireless receiving and dispatching one, there is provided the connector of 19 pin, SRWF-501 bags
High-frequency emission, high-frequency reception, PLL synthesis and multichannel switching circuit are contained.
The beneficial effects of the utility model are:By increasing microcontroller and wireless module, failure is realized using host computer
Point is set and monitoring function, realizes the intellectuality of Experiment of Electronic Technology system.Using this improved experiment porch, except can
To carry out outside normal experiment, it is most important that by the distal end setting of trouble point and monitoring function, make the function of Experimental Hardware rich
Become better-off, the process picture of student's debugging seeks the process of treasured, and learning interest is denseer, and enthusiasm is higher.Student tests simultaneously
Transparent procedures get up, teacher can do the progress tested by students ' in real time, can find that student is done in experimentation at any time
The problem of exposing, so it is more conducive to improve experimental teaching from now on.
Set with trouble point and the smart electronics experimental system of monitoring function is a kind of brand-new experimental system, removed
Outside basic Experiment of Electronic Technology, at present using new experimental system as hardware foundation, it is multinomial that new experimental project 10 is designed in exploitation,
In each experiment, though experiment topic is identical, Experimental Hardware outward appearance is identical, and experimental system function is set by distal end
Afterwards, the hardware case of each student is different that can so be effectively prevented from student's plagiarism, and the evaluation and examination to student are more
What is added is objective.
Brief description of the drawings
Accompanying drawing 1 is system general diagram schematic diagram of the present utility model;
Accompanying drawing 2 is experimental system control section of the present utility model structural representation;
Accompanying drawing 3 is wireless module node structure schematic diagram of the present utility model;
Accompanying drawing 4 is server-side node schematic diagram of the present utility model;
Accompanying drawing 5 is theory diagram of the present utility model.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
The utility model includes microcontroller, failure of chip setup module, power failure setup module, input and output failure
Setup module, wireless communication module, the microcontroller use the single-chip microcomputer with analog signal and data signal
C8051F120, microcontroller connect failure of chip setup module, power failure setup module, input and output failure and set respectively
Module and wireless communication module, wherein, failure of chip setup module, power failure setup module and input and output failure set mould
The action for the I/O control relays that block passes through microcontroller, realizes the break-make of signal and the switching of circuit, with this analog circuit
The loose contact of the wire and chip of appearance;In addition, gathering the information of trouble point by A/D, realized and learned by wireless communication module
The monitoring of raw experimentation.
Wireless communication module is made up of two parts, when collection and the emitter of signal, by sensor and SRWF-501
Integrated circuit modules are formed;Second, the reception of signal, measurement and control device, by SRWF-501 integrated circuit modules and upper
Server end is formed, and SRWF-501 integrated circuit modules are connected by three leads with single-chip microcomputer C8051F120, single-chip microcomputer
C8051F120 realizes the reception and transmission of the data between SRWF-501 by two interfaces of RXD and TXD, belongs to half-duplex and leads to
Letter mode.
SRWF-501 is connected by other three leads with the serial ports of PC, and PC realizes data by the RX and TX of serial ports
Reception and transmission, belong to half-duplex operation mode., it is necessary to pay attention to following problem in transmitting procedure:1. communicating pair
The baud rate of data transfer must be set as consistent.Such as radio communication is carried out between single-chip microcomputer and microcomputer, the string of single-chip microcomputer
Mouth baud rate is set to 9600, and the serial port baud rate of microcomputer will also be set to 9600, ensures that data can be transmitted correctly, otherwise just can not
Complete data communication.2. ensure that both sides (such as single-chip microcomputer and microcomputer) side of communication is in transmission state, the opposing party is reception
State, ensure that data smoothly complete transmission.3. in order to reduce interference of the switching pulse to wireless module, so ripple must be selected
The power supply that coefficient has been united, it is best to use single voltage stabilizing piece is powered.
SRWF-501 is a kind of chip of monolithic wireless receiving and dispatching one, there is provided the connector of 19 pin, SRWF-501 bags
High-frequency emission, high-frequency reception, PLL synthesis and multichannel switching circuit are contained.Chip uses the GFSK/FSK of strong antijamming capability
Modulation system, working frequency is reliable and stable, and peripheral components are less, and directly can be gone here and there with single-chip microcomputer either host computer
Mouth connection, the data of transmission are high without Manchester's code, efficiency comparison.
The utility model was being tested by that can reset the species of trouble point and the function of position, simulation student
The failure being commonly encountered in journey, student can be reminded during testing, how the criminal's of avoiding lower level error, improve the effect of experiment
Rate.Trouble point, the weight that student can be caused to learn correlated knowledge point are set in the place that student easily malfunctions and obscured in addition
Depending on, and then preferably grasp related content.By the real time monitoring function of experimental box trouble point, can at any time students ' it is real
The progress tested, find that student does the problem of being exposed in experimentation.A people one is realized simultaneously to inscribe, inscribe, avoid a people more
Student mutually plagiarizes, complementary lazy psychology, promotes student to realize manipulative ability, electricity during fault is searched
The raising of road analysis ability, each side ability such as use of instrument and meter.
It is described above, only it is preferred embodiment of the present utility model, any those skilled in the art may profit
Equivalent technical scheme is changed the utility model or is revised as with the technical scheme of above-mentioned elaboration.Therefore, foundation
Any simple modification or substitute equivalents that the technical solution of the utility model is carried out, belong to the greatest extent the requires of the utility model protection
Scope.
Claims (5)
1. a kind of novel electron technology experiment system based on MCU, it is characterized in that:Including microcontroller, failure of chip, mould is set
Block, power failure setup module, input and output failure setup module, wireless communication module, the microcontroller, which uses, has mould
Intend signal and the single-chip microcomputer C8051F120 of data signal, microcontroller connects failure of chip setup module respectively, power failure is set
Module, input and output failure setup module and wireless communication module are put, wherein, failure of chip setup module, power failure are set
The action for the I/O control relays that module and input and output failure setup module pass through microcontroller, realize signal break-make and
The switching of circuit, with the loose contact of the wire and chip that occur in this analog circuit;In addition, trouble point is gathered by A/D
Information, the monitoring of student experimenting process is realized by wireless communication module.
2. a kind of novel electron technology experiment system based on MCU according to claim 1, it is characterized in that:Wireless telecommunications
Module is made up of two parts, first, collection and the emitter of signal, are made up of sensor and SRWF-501 integrated circuit modules;
Second, the reception of signal, measurement and control device, are made up of SRWF-501 integrated circuit modules and upper server end,
SRWF-501 integrated circuit modules are connected by three leads with single-chip microcomputer C8051F120, and single-chip microcomputer C8051F120 passes through RXD
And two interfaces of TXD realize the reception and transmission of the data between SRWF-501, belong to half-duplex operation mode.
3. a kind of novel electron technology experiment system based on MCU according to claim 2, it is characterized in that:SRWF-501
It is connected by other three leads with the serial ports of PC, PC realizes the reception and transmission of data by the RX and TX of serial ports, category
In half-duplex operation mode.
4. a kind of novel electron technology experiment system based on MCU according to claim 3, it is characterized in that:Single-chip microcomputer and
Serial port baud rate is all set to 9600 between microcomputer.
5. a kind of novel electron technology experiment system based on MCU according to claim 2, it is characterized in that:SRWF-501
It is a kind of chip of monolithic wireless receiving and dispatching one, there is provided the connector of 19 pin, SRWF-501 contain high-frequency emission, high frequency
Receive, PLL is synthesized and multichannel switching circuit.
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CN201720464402.6U CN206946788U (en) | 2017-04-28 | 2017-04-28 | A kind of novel electron technology experiment system based on MCU |
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CN201720464402.6U CN206946788U (en) | 2017-04-28 | 2017-04-28 | A kind of novel electron technology experiment system based on MCU |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114973817A (en) * | 2021-02-20 | 2022-08-30 | 北京兰德适普科技有限公司 | Intelligent networking automobile sensor teaching system |
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2017
- 2017-04-28 CN CN201720464402.6U patent/CN206946788U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114973817A (en) * | 2021-02-20 | 2022-08-30 | 北京兰德适普科技有限公司 | Intelligent networking automobile sensor teaching system |
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Granted publication date: 20180130 Termination date: 20180428 |