CN107423526A - Competition platform is put into practice in a kind of embedded electronic product design and fabrication networking - Google Patents
Competition platform is put into practice in a kind of embedded electronic product design and fabrication networking Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
Abstract
The present invention relates to higher technological education field class school electronic product jewelry making practice, contest, examination field, and in particular to competition platform is put into practice in a kind of embedded electronic product design and fabrication networking.Competition platform is put into practice in a kind of embedded electronic product design and fabrication networking, including master computer, N number of development board using embedded chip as core form the embedded electronic product LAN competition platform of three-tier architecture.Usefulness of the present invention is：Competition platform is put into practice in a kind of embedded electronic product design and fabrication networking has unified contest topic, N number of team participating in competition enters the lists simultaneously, host computer software can realize contest lot packet, automatic scoring, automatically generate school report, complete electronic product and make contest, the workload of competition organization personnel is alleviated, while ensure that the fair and just of contest.Usefulness of the present invention also has and can carry out experiment, Course Exercise and graduation project and the Course Assessment of electronic technology correlated curriculum, and the application etc. of technology of Internet of things.
Description
Technical field
The present invention relates to higher technological education field class school electronic product jewelry making practice, contest, examination field, and in particular to one kind
Competition platform is put into practice in the networking of embedded electronic product design and fabrication.
Background technology
National electronic contest is nationwide university student's electronic contest activity, it is therefore intended that according to teaching practice of combining closely,
Weight basis, the principle for focusing on forward position, promote the construction of electronic information-majors and course, guiding institution of higher education focuses in teaching
Cultivate innovation ability, the team spirit of university student.In electronic product making, single-chip microcomputer or embedded is added, can be greatly improved
The cost performance of product.Therefore, in electronic product makes contest, carry out electronic circuit for practical problem in competition university student and set
Timing, it has been intentionally added and has applied embedded system, improved product design starting point, has also improved the influence power of contest.Using embedded
System carries out product design, also reflects the professional ability and subject attainment of university student, and society is serviced for outstanding people come to the fore
It can develop and create conditions.Contest topic is based on applying embedded competition platform condition, turns into a kind of new intelligence after powering up sub-circuit
Electronic product.Contest topic includes " Theoretical Design " and " actual fabrication " two parts, with electronic circuit（Containing simulation, digital circuit
With MCU circuits）Based on design application, analog-to-digital hybrid circuit, single-chip microcomputer, ARM, DSP, programming device, EDA can be related to
Software, internet+etc. application.Contest topic, which should be able to show and test student, faces task, with the ability of rudimentary knowledge, reality
Border designed capacity and capacity of working on one's own.Basic demand part should be included in contest topic point system and play part, so as to
Most competition students are made to complete the design work of basic demand part at the appointed time, and can is easy to Ontario Scholar to have hair
Wave the leeway with innovation.Contest proposition should fully take into account contest difficulty and the operability of evaluation.Competition platform will pay close attention to evaluation
Objective and fair and operability.It is vertical that competition platform thinking is put into practice in a kind of embedded electronic product design and fabrication networking of the present invention
Sufficient embedded system development plate, N number of embedded system development plate connect one LAN competition platform of composition with master computer；It is main
Computer job number containing N lot collator, each embedded system development plate has the sequence number of oneself after lot；Team participating in competition is with certainly
Oneself embedded chip is taken in competition for the development board of core, and scene mustn't mutually cross streams viewing between team participating in competition；Master computer is assigned
One electronic product makes contest topic and total time, countdown start, and each team participating in competition is core in the embedded chip of oneself
Development board, according to contest topic, R ＆ D design makes circuit, starts a race.Contest task general requirement：In the insertion of oneself
Formula system development plate, is designed and protracting circuit schematic diagram and PCB scheme；Make PCB, soldered circuit board；Write technology text
Shelves；Programming and debugging；Experimental verification；Master computer monitors N number of opening using embedded chip as core by LAN
The progress of work of plate is sent out, score respectively preserves, until task is completed or countdown terminates；Master computer scores according to competition platform
Program, with reference to referee's site inspection electronic product manufacture craft score, finally provide the respective achievement of team participating in competition, projects obtain
Table and its achievement is divided to be lined up.
The content of the invention
Competition platform is put into practice in a kind of embedded electronic product design and fabrication networking, as shown in figure 1, including master computer, N
The individual development board using embedded chip as core forms the embedded electronic product LAN competition platform of three-tier architecture, and it is special
Sign is that the LAN competition platform framework uses three-tier architecture, and first layer is master computer and service device, as whole system
Command centre and data storage center, actually master computer have both the data storage function of server；The second layer is network
Layer, can turn mixed-media network modules mixed-media, serial ports turns WiFi module or ZigBee module using serial ports, by N number of using embedded chip as core
Development board networking connects, then is connected composition LAN with master computer by router, can be automatic with master computer after power-up
Contact；Third layer is the development board that N number of embedded chip is core；It is competing that three-tier architecture forms embedded electronic product LAN
Match platform；Master computer is unique judge of the electronic production competition platform in addition to manufacture craft, N number of using embedded chip as core
Development board represent N branch team participating in the contest, forbid exchanging between each team participating in the contest, N is natural number；Master computer is simultaneously to all N
The individual development board using embedded chip as core assigns same electronic product and makes contest topic；Master computer setting contest is total
After time, start a race countdown, and N number of development board using embedded chip as core represents each team participating in competition and starts simultaneously at contest,
Development board of each team participating in competition using embedded chip as core is starting point, according to contest topic, design, welding, makes, debugs each
Design circuit, and write program, realize the communication between embedded chip and master computer, be easy to master computer monitoring every
The work progress of individual embedded competition platform, scoring score is given according to progress is made, until countdown terminates；For each embedding
Enter the progress of work of formula competition platform, master computer is sent judge personnel to examine circuit production technique on the spot, processing skill integration, given
Go out final competition achievement.
Competition platform is put into practice in a kind of described embedded electronic product design and fabrication networking, it is characterized in that, the contest is put down
Platform Software for Design can use java .net, Delphi programming language to develop, and database uses SQL server, orcale；Software
Should have automatic connection, development board of the automatic identification using embedded chip as core, real-time display experiment or content of examination, step
And fraction, automatically generate the functions such as Excel school reports.
Competition platform is put into practice in a kind of described embedded electronic product design and fabrication networking, it is characterized in that, it is all with embedding
Enter the development board that formula chip is core, all using modular design principle；On the development board, various dies for special purpose can be installed additional
Block, such as digital display module, LCD MODULE and motor drive module application module, extension electronic product make species.
Competition platform is put into practice in a kind of described embedded electronic product design and fabrication networking, it is characterized in that, electronics production
Product make experiment, Course Exercise and the graduation project that LAN competition platform can be used for electronic technology correlated curriculum, can be with opening
Send out plate and carry out download program, program function test, peripheral hardware debugging, while networked with master computer.
Competition platform is put into practice in a kind of described embedded electronic product design and fabrication networking, it is characterized in that, electronics production
Product LAN competition platform can be used for electronic technology correlated curriculum practice assessment, and examination step, which includes drawing lots, determines competition student
Seat number, examination paper are issued, issue examination instruction, show pothunter's topic performance, all processes are adopted in an automated fashion
Carry out, ensure the fair and just of examination；Software automatically generates the Excel school reports of projects, counts competition student's fraction and waits
Level.
Embedded electronic product, which makes key technology in LAN competition platform process of construction, three aspects.It is first, soft
Part designs, and is related to the design of software concrete function, the construction of database；Second, networking, is related to technology of Internet of things, mainly
Problem be mixed-media network modules mixed-media selection, debugging and with the development board networking using embedded chip as core；It is third, special with insertion
Formula chip designs for the development board of core, is related to circuit design and making.On the development board using embedded chip as core,
Circuit design, making, debugging are carried out around topic, it is that electronic product making contest is emphasis to write with test software.
The job description of embedded electronic product LAN competition platform：A kind of described embedded electronic product design
The contest topic of competition platform is put into practice with making networking includes " Theoretical Design " and " actual fabrication " two parts, it is characterized in that, reason
By design circuit design：According to contest charter, with given circuit figure, constraints, protel 99 or Altium is used
Designer Software on Drawing goes out circuit theory diagrams and PCB figures；The programming and debugging of software：Compiled in more than keil3 versions
Journey and debugging efforts, complete the competition contents of match topic defined；Actual fabrication includes that hardware is made and technical documentation is write：Firmly
Welding, assembling and the debugging of part：Utilize existing wiring board（Acp chip and minimum system has been welded in wiring board）And member
Device external member, complete the work such as hardware welding and the hardware debugging of contest works；Technological document is divided into：Design document, technique text
Part.（1）Design document：Including system block diagram, circuit theory diagrams, printed substrate figure, program flow diagram and program listing；（2）
Technical papers：Including process chart, component inventory, electrically installation connection figure (table), debugging efforts list and instrument and meter are bright
Thin table, products instruction；Wherein refer to fraction：15 points of circuit theory diagrams drafting, keil software programmings, debugging 25 points, PCB
Plate designs and produces 20 points, and 30 points of welding assembly and the debugging of hardware, technology text document writes 10 points.Each team participating in competition is opened with one piece
Send out plate；Team participating in competition makes the entitled target of contest based on the development board of oneself, with electronic product, and oneself designs and produces oneself
Circuit, design corresponding software, debug circuit, extended products function, complete contest topic requirements；Master computer monitors each exploitation
Plate completes item number and the time of contest topic；Contest topic includes " Theoretical Design " and " actual fabrication " two parts, with electronics electricity
Road（Containing simulation, digital circuit and MCU circuits）Based on design application, it is related to analog-to-digital hybrid circuit, single-chip microcomputer, embedded system
System, DSP, programming device, eda software, internet+etc. application content；Master computer is according to competition platform scoring procedures, contest
Scoring should include basic demand part and play part, so that most teams participating in the contest can complete base at the appointed time
This requires the design work of part, and and can is easy to outstanding troop to have the leeway played with innovation, finally provides each team participating in competition
Achievement of taking in competition and queuing；Master computer monitors the progress of work of each embedded competition platform by LAN in real time, to make
Process provides fraction.
Usefulness of the present invention is：Competition platform is put into practice in a kind of embedded electronic product design and fabrication networking has system
One contest topic, N number of team participating in competition enter the lists simultaneously, and host computer software can realize that N number of team participating in competition draws lots and be grouped, in contest certainly
Dynamic scoring, automatically generates school report after contest, complete electronic product and make contest whole project, alleviate competition organization personnel's
Workload, while ensure that the fair and just of contest.Usefulness of the present invention also can carry out electronic technology correlated curriculum
Grouping experiment, Course Exercise and graduation project and Course Assessment, and the application etc. of technology of Internet of things.
Brief description of the drawings
Fig. 1 is that the master computer of competition platform and each insertion are put into practice in a kind of embedded electronic product design and fabrication networking
Formula competition platform LAN schematic diagram
Fig. 2 is that the N number of using embedded chip as core of competition platform is put into practice in a kind of embedded electronic product design and fabrication networking
Development board minimum system circuit diagram
Fig. 3 is the voltage measurement block diagram that competition platform is put into practice in a kind of embedded electronic product design and fabrication networking
Fig. 4 is the table of integrals figure that competition platform is put into practice in a kind of embedded electronic product design and fabrication networking
Wherein, 1, simulated battery tension measuring circuit, 2, TCP/TP turn serial port module, 3, communications, 4, interchanger, 5, main
Machine, 6, LED/LCD display modules, 7, sound module, 8, indicator lamp driving display module.
Embodiment
Embodiment is with the professional colleges Skill Competition of Shanxi Province the 9th（Professorship's group/）" Guoqiang's STC cups " electronics produces
It is specific embodiment that product, which design and made contest task, is especially illustrated.
Contest topic
The design and fabrication of cell voltage on-line monitoring system
The contest used time
Competition time is 24 hours, and competition time is examined after arriving by host computer software is unified, and other parts are examined by judge.Phase
Team participating in competition with achievement carries out ranking with the speed of deadline.
The general requirement of contest task surrounds contest topic
1st, protracting circuit schematic diagram and PCB figures are designed
2nd, PCB is made
3rd, technical documentation is write
4th, welding circuit
5th, programming and debugging
6th, experimental verification
Contest task specific requirement
1st, contest task or contest problem description
Complete design, making, programming and the debugging task of " the cell voltage on-line monitoring " of a simulation." cell voltage is online
Monitoring " is used to detect the voltage swing of battery, is alarmed according to the bound of setting, and by the real-time voltage detected, inspection
Time, alarm condition are surveyed, serial port module is turned by TCP/IP and is uploaded to master computer.
" cell voltage on-line monitoring " carries A/D module (reference voltage uses outside TL431) detection using STC single-chip microcomputers
Cell voltage, turn serial port module using TCP/IP and communicated according to similar MODBUS industrial bus agreements with master computer, passed
Defeated real-time voltage, detection time, alarm condition, and receive the communication test of master computer transmission, bound setting, start and stop
Only order.
Each embedded competition platform utilizes charactron（According to liquid crystal by innovation bonus point）, acousto-optic（Sound and light alarm part
Realized in pcb board position）, keyboard input module and master computer carry out man-machine interaction（If increase keyboard input module by innovation
Bonus point）.
MCU processors use STC single-chip microcomputers, and default startup self-detection.Each road control element is controlled using light-coupled isolation, and
With luminous tube display working condition, beneficial to state-detection.
2nd, protracting circuit schematic diagram and PCB figures, make PCB single sided boards
It is required that using protel 99 or Altium Designer Software for Design schematic diagrams and PCB figure.The schematic diagram and PCB of drafting
Figure will design according to topic requirements, it is impossible to including the circuit diagram unrelated with topic.Judge is according to the rule of schematic diagram and PCB G- Designs
Then achieved the result.
3rd, design documentation
Design documentation include system block diagram, circuit theory diagrams, printed substrate figure, PCB single sided boards circuit diagram, program flow diagram and
The contents such as program listing.
4th, welding circuit
The function welding component for requiring to realize according to charter, and weld buzzer circuit, indicator lamp in PCB one sides plate part
Circuit and simulated battery potential circuit（There is provided during required component contest）.
Simulated battery potential circuit, to simulate current battery level, and it is supplied to AD；Buzzer circuit and indicator lamp electricity
Road is used to realize bound sound and light alarm.
5th, programming and debugging
Programming and debugging, specific protocol format and flow reference should be carried out fully according to program assessment procedure, communication protocol
Part V.
6th, experimental verification
Power up on circuit boards on request, add program, verify conclusion
5th, programming flow and communication protocol
1st, communication protocol
The communication mode of this contest uses master-slave mode, and all communications are initiated by master computer, and each embedded contest is put down
Platform（Team participating in competition）According to command function, corresponding data is replied according to communication protocol.Serial port setting is baud rate 9600, data 8,
Stop position 1, check bit none.Communication data is represented using ASCII forms.The verification mode of communication data, student is using different
Or, teacher use CRC16_modbus, verification data to terminating before check byte, and takes its least-significant byte word since address byte
Section.
（1）Serial communication test function order：35H
Communication test is carried out by the serial ports 2 of STC single-chip microcomputers, communication format is as shown in table 1.Master computer sends as shown in table 1
Communication protocol, each team participating in competition（Each embedded competition platform）The content of transmission is replied as former state.
The serial communication of table 1 is tested
| Starting character | Address | Function code | Verification | End mark |
| 23H | 2 bytes | 35H | 1 byte | 24H |
Master computer is sent：23H,XXH,XXH,35H,XXH,24H
Each embedded competition platform is answered：23H,XXH,XXH,35H,XXH,24H
（2）Inquire about real-time cell voltage, alarm condition and clock command function：31H
Real-time cell voltage, alarm condition and clock command function are inquired about, communication format is as shown in Table 1 and Table 2.
The master computer of table 2 sends protocol format
| Starting character | Address | Function code | Verification | End mark |
| 23H | 2 bytes | 31H | 1 byte | 24H |
The each embedded competition platform of table 3 replys protocol format
| Starting character | Address | Function code | Data | Verification | End mark |
| 23H | 2 bytes | 31H | Totally 11 byte | 1 byte | 24H |
Master computer is sent：23H,XXH,XXH,31H,XXH,24H
Each embedded competition platform is answered：23H,XXH,XXH,31H,XXH,XXH,XXH,XXH,XXH,XXH,XXH,XXH,
XXH,XXH,XXH,XXH,24H
The content that each embedded competition platform is answered is 17 bytes, and 23H represents bebinning character；Then 2 bytes are the machine
Address, for example No. 4 Ji Ze addresses are：30H,34H；Then 1 byte is command byte, and the order for representing to perform is No. 1
Order；Then data amount check is 11 bytes, and 4 bytes are real-time voltage situation, and last position is decimal, for example voltage is
1.3v, then voltage byte is 30H, 30H, 31H, 33H, and then 6 bytes are clock case, for example present clock is 12：08：
10, then clock byte is 31H, 32H, 30H, 38H, 31H, 30H；Then 1 byte is alarm condition：The super upper limit is 32H, is less than
Lower limit is 31H, is normally 30H；XXH is the least-significant byte of the verification of all bytes arrived after 23H before this byte（Do not include 23H and this
Byte）；Then 24H represents the end byte of this frame.
（3）Alarm upper and lower limit command function is set：32H
Alarm upper and lower limit command function is set, and it is as shown in table 4 that master computer sends protocol format；Each embedded competition platform
It is identical with the form of table 1 to reply protocol format, only function code（Order）It is different.
The master computer of table 4 sends protocol format
| Starting character | Address | Function code | Data | Verification | End mark |
| 23H | 2 bytes | 32H | Totally 8 byte | 1 byte | 24H |
Master computer is sent：23H,XXH,XXH,32H,XXH,XXH,XXH,XXH,XXH,XXH,XXH,XXH,XXH,24H
Each embedded competition platform is answered：(protocol format is identical with the form of table 1, work(by 23H, XXH, XXH, 32H, XXH, 24H
Energy code and check code are different)
The data that master computer is sent are 8 bytes, and 4 bytes is set the upper limit of voltage, and 4 bytes is under setting voltages
Limit.In 4 bytes of upper voltage limit, front three is integer-bit, and the 4th is decimal place；First three in 4 bytes of lower voltage limit
Position is integer-bit, and the 4th is decimal place.As above 2.0v, lower limit 1.0v are limited to, then 8 bytes are represented by 30H, 30H,
32H,30H,30H,30H,31H,30H。
（4）Cancel warning function order：33H
Cancel alarm command to be used for when master computer sends the order, the data that each embedded competition platform is replied are acquiescence
Not alarm condition, while each embedded competition platform cancels sound and light alarm.
Master computer is sent：23H, XXH, XXH, 33H, XXH, 24H (protocol format is identical with the form of table 1, function code and
Check code is different)
Each embedded competition platform is answered：(protocol format is identical with the form of table 1, work(by 23H, XXH, XXH, 33H, XXH, 24H
Energy code and check code are different)
（5）Start warning function order：34H
Start alarm command to be used for when master computer sends the order, should be wrapped in the data that each embedded competition platform is replied
Containing alarm condition, while each embedded competition platform is then given in the higher limit more than setting or the lower limit less than setting
Go out sound and light alarm.If not sending the order, the data that each embedded competition platform is replied is give tacit consent to not alarm condition, simultaneously
Each embedded competition platform can not produce sound and light alarm.
Master computer is sent：23H, XXH, XXH, 34H, XXH, 24H (protocol format is identical with the form of table 1, function code and
Check code is different)
Each embedded competition platform is answered：(protocol format is identical with the form of table 1, work(by 23H, XXH, XXH, 34H, XXH, 24H
Energy code and check code are different)
（6）Time synchronized command function：36H
Time synchronized command function, it is as shown in table 5 that master computer sends protocol format；Each embedded competition platform replys agreement
Form is identical with table 1, only function code（Order）It is different.
The master computer of table 5 sends protocol format
| Starting character | Address | Function code | Data | Verification | End mark |
| 23H | 2 bytes | 36H | Totally 6 byte | 1 byte | 24H |
Master computer is sent：23H,XXH,XXH,36H,XXH,XXH,XXH,XXH,XXH,XXH,XXH,24H
Each embedded competition platform is answered：(protocol format is identical with the form of table 1, work(by 23H, XXH, XXH, 36H, XXH, 24H
Energy code and check code are different)
The data amount check that master computer is sent is 6 bytes, and 6 bytes are as the real-time clock acquired in master computer, by leading
Computer is sent to each embedded competition platform, and each embedded competition platform sets the time.For example present clock is 12：
08：10, then 6 bytes of clock are 31H, 32H, 30H, 38H, 31H, 30H.
2nd, programming and assessment procedure
（1）Communication test：When master computer sends serial communication test function order（35H）, each embedded competition platform time
Multiple received order, if master computer receives commands in return, this examination passes through.
（2）Alarm upper and lower limit is set：Master computer, which is sent, sets alarm upper and lower limit command function（32H）, higher limit is
2v, lower limit 1v, each embedded competition platform, which is replied, sets upper and lower limit order.When master computer receive it is each embedded
Competition platform commands in return, then this examination pass through.
（3）Inquire about real-time cell voltage, alarm condition and clock（1v）：Adjusting simulated battery voltage by potentiometer is
1v, real-time cell voltage, alarm condition and clock command function are inquired about when master computer is sent（31H）When, it is each embedded competing
Match platform and reply measured magnitude of voltage.In the range of 1 ± 0.2, if this examination passes through the magnitude of voltage returned.
（4）Inquire about real-time cell voltage, alarm condition and clock（1.5v）：It is by potential regulator simulated battery voltage
1.5v, real-time cell voltage, alarm condition and clock command function are inquired about when master computer is sent（31H）When, it is each embedded
Competition platform replys measured magnitude of voltage.When the magnitude of voltage of return is in the range of 1.5 ± 0.2, then this examination passes through.
（5）Inquire about real-time cell voltage, alarm condition and clock（2v）：It is by potential regulator simulated battery voltage
2v, real-time cell voltage, alarm condition and clock command function are inquired about when master computer is sent（31H）When, it is each embedded competing
Match platform and reply measured magnitude of voltage.When the magnitude of voltage of return is in the range of 2 ± 0.2, then this examination passes through.
（6）Upper limit alarm is tested：By potential regulator simulated battery voltage in the range of 2.2 ~ 2.5v, master computer hair
Send the real-time cell voltage of inquiry, time clock feature order（31H）When, each embedded competition platform reply measured magnitude of voltage and
Alarm condition.If including upper limit alarm data in the data replied, this examination passes through.
（7）Cancel ann test：Master computer, which is sent, cancels warning function order（33H）, each embedded competition platform
Reply and cancel alarm command, if master computer receives commands in return, this examination passes through.
（8）Start ann test：Master computer, which is sent, starts warning function order（34H）, each embedded competition platform
Reverting starting alarm command, if master computer receives commands in return, this examination passes through.
（9）Lower limit ann test：By potential regulator simulated battery voltage in the range of 0 ~ 0.8v, master computer is sent
Inquire about real-time cell voltage, alarm condition and clock command function（31H）When, each embedded competition platform is replied measured
Magnitude of voltage and alarm condition.If including lower limit alert data in the data replied, this examination passes through.
（10）Time synchronization test：Time synchronized command function is sent by master computer（36H）, each embedded contest puts down
Platform, which is replied, sets success command, if master computer receives commands in return, this examination passes through.
（11）Read each embedded competition platform clock：Real-time cell voltage, alarm shape are inquired about when master computer is sent
State and clock command function（31H）When, each embedded competition platform replys measured magnitude of voltage, alarm condition and each embedding
Enter formula competition platform current time, if each embedded competition platform real-time time can be obtained, and error is in ± 10 seconds, then this
Item examination passes through.
6th, innovation is played
Each team participating in competition can increase other functions on the basis of requirements above is completed, and such as increase internal resistance of cell measurement, maintain power supply
Time measurement etc., as innovative part.
Usefulness of the present invention is：Competition platform is put into practice in a kind of embedded electronic product design and fabrication networking has automation
Contest or examination function, by host computer software can realize contest draw lots packet, assign contest topic or charter, according to entering
Automatic scoring is spent, automatically generates school report, electronic product is completed and makes contest, alleviate the workload of competition organization personnel, together
When ensure that the fair and just of contest.Usefulness of the present invention also has experiment, the course that can carry out electronic technology correlated curriculum
Design and graduation project and Course Assessment, and the application etc. of technology of Internet of things.
Claims (5)
1. competition platform is put into practice in a kind of networking of embedded electronic product design and fabrication, as shown in figure 1, including master computer, N number of
Development board using embedded chip as core forms the embedded electronic product LAN competition platform of three-tier architecture, its feature
It is that the LAN competition platform framework uses three-tier architecture, and first layer is master computer and service device, as whole system
Command centre and data storage center, actually master computer have both server capability；The second layer is Internet, can use serial ports
Turn mixed-media network modules mixed-media, serial ports turns WiFi module or ZigBee module, by it is N number of using embedded chip as core development board networking connect
Connect, then be connected composition LAN with master computer by router, can be contacted automatically with master computer after power-up；Third layer is
N number of embedded chip is the development board of core；Three-tier architecture forms embedded electronic product LAN competition platform；Host computer
Machine is unique judge of the electronic production competition platform in addition to manufacture craft, and N number of development board using embedded chip as core represents N
Branch team participating in the contest, forbid exchanging between each team participating in the contest, N is natural number；Master computer is simultaneously to all N number of with embedded chip
Same electronic product making contest topic is assigned for the development board of core；After master computer setting contest total time, start competing
Countdown is matched, N number of development board using embedded chip as core represents each team participating in competition and starts simultaneously at contest, and each team participating in competition is with insertion
Formula chip is that the development board of core is starting point, according to contest topic, designs, welds, making, debugging respective design circuit, with
And program is write, the communication between embedded chip and master computer is realized, is easy to each embedded contest of master computer monitoring
The work progress of platform, scoring score is given according to progress is made, until countdown terminates；For each embedded competition platform
The progress of work, master computer sends judge personnel to examine circuit production technique on the spot, processing skill integration, provides and finally take in competition into
Achievement.
2. competition platform is put into practice in a kind of embedded electronic product design and fabrication networking as claimed in claim 1, it is characterized in that,
The competition platform Software for Design can use java .net, Delphi programming language develop, database using SQL server,
orcale；Software should have automatic connection, development board of the automatic identification using embedded chip as core, and real-time display is tested or examined
Core content, step and fraction, automatically generate the functions such as Excel school reports.
3. competition platform is put into practice in a kind of embedded electronic product design and fabrication networking as claimed in claim 1, it is characterized in that,
All development boards using embedded chip as core, all using modular design principle；On the development board, it can install additional each
Kind special module, such as digital display module, LCD MODULE and motor drive module application module, extends electronic product system
Make species.
4. competition platform is put into practice in a kind of embedded electronic product design and fabrication networking as claimed in claim 1, it is characterized in that,
The electronic product makes LAN competition platform and can be used for experiment, Course Exercise and the graduation of electronic technology correlated curriculum to set
Meter, download program, program function test, peripheral hardware debugging can be carried out with development board, while be networked with master computer.
5. competition platform is put into practice in a kind of embedded electronic product design and fabrication networking as claimed in claim 1, it is characterized in that,
The electronic product LAN competition platform can be used for electronic technology correlated curriculum practice assessment, and examination step, which includes drawing lots, to be determined
Competition student's seat number, issues examination paper, issues examination instruction, shows pothunter's topic performance, and all processes use certainly
Dynamicization mode is carried out, and ensures the fair and just of examination；Software automatically generates the Excel school reports of projects, statistics competition student
Fraction and grade.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681509A (en) * | 2020-06-01 | 2020-09-18 | 广州大学 | Network type microcomputer relay protection experiment system and method |
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