CN109637283A - A kind of student based on wireless communication, which reviews one's lessons to answer questions, requests equipment - Google Patents
A kind of student based on wireless communication, which reviews one's lessons to answer questions, requests equipment Download PDFInfo
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- CN109637283A CN109637283A CN201910032795.7A CN201910032795A CN109637283A CN 109637283 A CN109637283 A CN 109637283A CN 201910032795 A CN201910032795 A CN 201910032795A CN 109637283 A CN109637283 A CN 109637283A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
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Abstract
It reviews one's lessons to answer questions the invention discloses a kind of student based on wireless communication and requests equipment, it is wireless connection between host side and terminal of answering questions, the quantity for terminal of answering questions is at least one, the quantity of host side is one, when the quantity for terminal of answering questions is greater than one, it is relatively independent between multiple terminals of answering questions, several interfaces for link block are connected on master control borad, LCD module is provided on master control borad, master control borad is electrically connected with LCD module, key module is provided on master control borad, master control borad is electrically connected with key module, indicating lamp module is provided on master control borad, master control borad is electrically connected with indicating lamp module, it is provided with USB on master control borad and turns serial port module, the present invention, which realizes teacher, can easily recognize which student has the request answerred questions, and student does not need frequently to raise one's hand to cause the attention of teacher, reducing influences the external world , simplify teachers and students and answer questions the function of interaction.
Description
Technical field
The present invention relates to communication equipment field, specifically a kind of student based on wireless communication reviews one's lessons request of answering questions and sets
It is standby.
Background technique
During student reviews one's lessons, classroom is a relatively quiet environment, and students are all on the day of wholwe-hearted review
The course learned may more or less have query to the content of study during review, can be in not shadow between classmate
Small sound discusses issues in the case where ringing surrounding classmate, when there is teacher on duty, can consult teacher, and consulting teacher, there are many sides
Formula, for example pick me, or play report, when being sitting in beside dais due to teacher, it will not see always to student region, work as student
When picking me, teacher possibly can not see the enquirement request of student in time, and student may need repeatedly to pick me, indirect shadow
The learning efficiency for having rung student plays report since there are the sendings of sound, also can generate one to the classmate that surrounding is learning
Fixed influence.
Other than picking me and beating and report, there are also another form, student asks with the seat of textbook to teacher
Problem, both can to avoid teacher without noticing of, can also influence to avoid sound to other classmates, but such form can be adjoint
Walking about for student will certainly also generate some shadows to the classmate of surrounding if student walks about more back and forth in classroom
It rings.
Therefore designing a kind of teacher can easily recognize which student has the request answerred questions, and student does not need frequently
It raises one's hand to cause teacher's note that reducing influences the external world, simplifies teachers and students and answer questions the equipment of interaction, exactly inventor to be solved
Problem.
Summary of the invention
In view of the deficiencies of the prior art, it reviews one's lessons to answer questions the object of the present invention is to provide a kind of student based on wireless communication and ask
Seek equipment, being able to achieve teacher can easily recognize which student has a request answerred questions, and student do not need frequently to raise one's hand with
Cause teacher's note that reducing influences the external world, simplifies teachers and students and answer questions the function of interaction.
The technical solution adopted by the present invention to solve the technical problems is: a kind of student based on wireless communication, which reviews one's lessons, to answer questions
Request equipment comprising host side, terminal of answering questions, it is described to answer questions end to be wirelessly connected between the host side and terminal of answering questions
The quantity at end is at least one, and the quantity of the host side is one, multiple when the quantity of the terminal of answering questions is greater than one
Relatively independent between terminal of answering questions, the terminal of answering questions includes master control borad, wireless module, LCD module, key module, indicator light
Module, USB turn serial port module, and several interfaces for link block are connected on the master control borad, are arranged on the master control borad
Have LCD module, the master control borad is electrically connected with LCD module, be provided with key module on the master control borad, the master control borad with press
Key module is electrically connected, and is provided with indicating lamp module on the master control borad, the master control borad is electrically connected with indicating lamp module, the master
USB is provided on control plate and turns serial port module, and the master control borad turns serial port module with USB and is electrically connected, is provided on the master control borad
Wireless module, the USB turn serial port module and are electrically connected with wireless module, the LCD module, key module, indicating lamp module,
The installation site that USB turns serial port module respectively corresponds several interfaces on master control borad.
Further, the master control borad is Arduino master control borad, and the master control borad includes that eight railway digital amount input and output connect
Mouth, two-way analog input interface, all the way 3P digital quantity input/output interface, all the way UART interface, all the way IIC interface, onboard
Reset key, passive buzzer, infrared receiving terminal, USB interface, the usb type are microUSB.
Further, the wireless module be 2.4G transparent transmission module, support serial ports transparent transmission function, frequency be 2400MHz extremely
2485MHz。
Further, the USB turns serial port module including at least CP210x, CH340, FT232 tri- serial conversion chips.
Further, the USB turns serial port module, the TXD of wireless module is connect with the RXD of other side respectively, and the USB turns string
Mouth mold block, wireless module VCC be correspondingly connected with respectively with the GND of other side.
The beneficial effects of the present invention are:
1. the request of answering questions between teachers and students is converted by the present invention by using the equipment of wireless communication from generation and body language
Electrical communication signals avoid noise effect of the student to ambient enviroment, and are indicated by the sequencing automatic queuing of signal
It answers questions sequentially, realizing teacher can easily recognize which student has the request answerred questions, and student does not need frequently to raise one's hand
To cause teacher's note that reducing influences the external world, simplifies teachers and students and answer questions the function of interaction.
Detailed description of the invention
Fig. 1 is that the present invention answers questions terminal structure block diagram.
Specific embodiment
Present invention will be further explained below with reference to specific examples, it should be appreciated that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
Member can make various changes or modifications the present invention, and such equivalent forms are also fallen within defined by application the appended claims
Range.
It is that the present invention answers questions terminal structure block diagram referring to Fig. 1 comprising host side, terminal of answering questions and are answerred questions end at host side
To be wirelessly connected between end, the quantity for terminal of answering questions is at least one, and the quantity of host side is one, and the quantity for terminal of answering questions is big
Relatively independent between multiple terminals of answering questions when one, terminal of answering questions includes master control borad, wireless module, LCD module, key
Module, indicating lamp module, USB turn serial port module, and several interfaces for link block are connected on master control borad, are set on master control borad
It is equipped with LCD module, master control borad is electrically connected with LCD module, and key module is provided on master control borad, and master control borad is electrically connected with key module
It connects, indicating lamp module is provided on master control borad, master control borad is electrically connected with indicating lamp module, and USB is provided on master control borad and turns serial ports
Module, master control borad turn serial port module with USB and are electrically connected, and wireless module is provided on master control borad, and USB turns serial port module and wireless mould
Block electrical connection, the installation site that LCD module, key module, indicating lamp module, USB turn serial port module respectively correspond on master control borad
Several interfaces.
Master control borad is Arduino master control borad, and master control borad includes eight railway digital amount input/output interfaces, two-way analog input
Interface, all the way 3P digital quantity input/output interface, all the way UART interface, all the way IIC interface, onboard reset key, passive buzzing
Device, infrared receiving terminal, USB interface, usb type microUSB, wireless module are 2.4G transparent transmission module, support serial ports saturating
Function is passed, frequency is 2400MHz to 2485MHz, and USB turns serial port module including at least tri- series of CP210x, CH340, FT232
Conversion chip, USB turns serial port module, the TXD of wireless module is connect with the RXD of other side respectively, and USB turns serial port module, wireless mould
The VCC of block is correspondingly connected with the GND of other side respectively.
Wireless module selects the module for supporting serial ports transparent transmission function, and equipment sends number to 2.4G wireless module by serial ports
According to 2.4G module sends the data received by wireless form, and other 2.4G wireless receiving modules receive
After data, data are sent to data processing equipment by serial ports, how data are wirelessly transmitted to space among it, data are in sky
In how to transmit and the processes such as the data that how to receive space are all completed by 2.4G wireless module, without going into seriously, as long as
It handles serial ports and sends the data of data and serial ports reception from 2.4G module to 2.4G module, module parameter is as follows:
Module pin explanation:
Module can be by AT instructions query and setting relevant parameter, and AT instruction catalog is as follows:
CMD interface can be configured to high level or hanging under transparent transmission mode, under Setting pattern, need to configure as low level,
Under Setting pattern, serial communication baud rate is fixed as 9600bps.
LCD module is one piece of 128 × 64 lattice lcd module, and 8 rows 16 column ASCII is supported to show that communication interface connects for IIC
Mouthful.
Key module is a low level signal output module, and when pressing key pressing, module exports low level signal, key
When not pressing, high level signal is exported.
Indicating lamp module is high level signal drive module, and high level signal control LED is lighted, low level signal control
LED extinguishes.
The working principle of the invention: terminal is switched on first, and indicator light is lighted, into init state, after initialization
The authentication information of receiving host is waited, then host is switched on, and indicator light is lighted, and into init state, initialization is completed,
Into working condition, host broadcast sends authentication information at this time, if terminal can receive the authentication of host transmission
Information, then end point shiny red indicator light, indicates that host and the wireless communication of each terminal are normal, can send to answer questions to host and ask
Information is sought, terminal is sent to host by wireless device using the ID of the machine as solicited message, sends when host receives terminal
ID after, light green indicator light, indicate solicited message of answering questions, while adding 100 retransmissions to terminal the ID received,
It is consistent if the data that terminal receives subtract 100 with the machine ID, lights yellow indicator lamp, indicates that host has been successfully received and answer questions
Request answers questions state into waiting, cannot send request of answering questions again in the case where state is answerred questions in waiting, and waiting is needed this time to answer questions
After journey, request of answering questions can be initiated again, host receives answer questions solicited message after, according to receiving the elder generation of solicited message
Sequence afterwards, arranges all information, and shows on LCD currently wait the student information to be answerred questions with next bit of answering questions,
The sum of all solicited messages of answering questions is counted, teacher sends information of answering questions by operation host equipment, to student to be answerred questions, answers
The form for doubting information is ID+200, after terminal receives after the information, lights green indicator light, prompts teacher student will be to it
It answers questions, after the green indicator light of terminal lights, student can be eliminated it by button operation, and green indicator light extinguishes
Afterwards, it indicates the end of request process of this time answering questions, button operation can be passed through, initiate request of newly once answering questions again.
Prepare a host side, three terminals of answering questions carry out experimental test to the present invention:
1. device power init state, host can initialize display interface, comprising In-Service theme state, answer questions and ask
Ask demographics, currently student information and next bit student information to be answerred questions to be answerred questions.Authentication data can be sent simultaneously, eventually
After termination receives authentication data, red indicating light is lighted；
The solicited message 2. transmission of 1# terminal is answerred questions, terminal lights green indicator light after receiving request, and sends and feed back to terminal
Information, terminal upon reception of the feedback information, light yellow indicator lamp；Host shows to answer questions on the screen simultaneously requests student to believe
Breath, and count number of requests of answering questions；
3. the transmission of 2# terminal is answerred questions after solicited message, host, which refreshes, shows answer questions solicited message and number of requests information of answering questions, and
Feedback information is sent to 2# terminal；
4. host initiates to answer questions for the first time, it can be sent to 1# terminal and prepare information of answering questions, because 1# terminal is first transmission
It answers questions the equipment of request, host is that information is sent according to the sequencing for request of answering questions, and terminal is answerred questions letter receiving preparation
After breath, green indicator light is lighted, and extinguish yellow indicator lamp, representing teacher will answer questions to it, while residue is wait answer questions
Student's quantity reduces one；
5. host second initiates to answer questions, it can be sent to 2# terminal and prepare information of answering questions, 2# terminal is answerred questions receiving preparation
After information, green indicator light is lighted, and extinguish yellow indicator lamp, representing teacher will answer questions to it.While request of answering questions
Student information will be shifted up one, and remaining student's quantity to be answerred questions is reduced to zero；
6. after end of all answering questions, terminal and host side can remove current state indicator light, and screen by button operation
The solicited message of answering questions shown on curtain, terminal can initiate request of answering questions again later；
It answers questions when requesting equipment 7. testing this set and reviewing one's lessons, has randomly selected two terminal devices in four normal operation terminals
Do experimental data test, 1# machine and 4# machine, the operating status of host and terminal realizes functional requirement when initial designs.
Equipment is requested by originally answering questions, student can temporarily place problem, the place felt at ease after request is answerred questions in initiation
Other learning tasks are managed, without observing teacher's dynamic from time to time, teacher are waited to answer questions；Teacher is receiving answering questions for student
After request, it can go to students in Answering Teachers ' Designing Questions according to sequence after student's letter that equipment is shown, before answering questions, press the key of equipment, i.e.,
It can notify that teacher will answer questions to it, and student is ready to by the student that answers questions by the green indicator light in student side device
The problem of answering questions waits teacher；Previous student is so not only eliminated to ask questions existing some drawbacks, it is also indirect
Improve the learning efficiency of student's self-study at night.
The present invention converts the request of answering questions between teachers and students from generation and body language by using the equipment of wireless communication
At electrical communication signals, noise effect of the student to ambient enviroment is avoided, and passes through the sequencing automatic queuing table of signal
Show sequence of answering questions, realizing teacher can easily recognize which student has the request answerred questions, and student does not need frequently to lift
Hand simplifies teachers and students and answers questions the function of interaction to cause teacher's note that reducing influences the external world.
Claims (5)
1. a kind of student based on wireless communication, which reviews one's lessons to answer questions, requests equipment, it is characterised in that: including host side, terminal of answering questions,
To be wirelessly connected between the host side and terminal of answering questions, the quantity of the terminal of answering questions is at least one, the host side
Quantity is one, relatively independent between multiple terminals of answering questions when the quantity of the terminal of answering questions is greater than one, described to answer questions end
End includes that master control borad, wireless module, LCD module, key module, indicating lamp module, USB turn serial port module, on the master control borad
Several interfaces for link block are connected with, LCD module, the master control borad and LCD module electricity are provided on the master control borad
It connects, is provided with key module on the master control borad, the master control borad is electrically connected with key module, is provided on the master control borad
Indicating lamp module, the master control borad are electrically connected with indicating lamp module, and USB is provided on the master control borad and turns serial port module, described
Master control borad turns serial port module with USB and is electrically connected, and wireless module is provided on the master control borad, and the USB turns serial port module and nothing
Wire module electrical connection, the installation site that the LCD module, key module, indicating lamp module, USB turn serial port module respectively correspond
Several interfaces on master control borad.
2. a kind of student based on wireless communication according to claim 1, which reviews one's lessons to answer questions, requests equipment, it is characterised in that: institute
Stating master control borad is Arduino master control borad, and the master control borad connects including eight railway digital amount input/output interfaces, two-way analog input
Mouthful, all the way 3P digital quantity input/output interface, all the way UART interface, all the way IIC interface, onboard reset key, passive buzzer,
Infrared receiving terminal, USB interface, the usb type are microUSB.
3. a kind of student based on wireless communication according to claim 1, which reviews one's lessons to answer questions, requests equipment, it is characterised in that: institute
Stating wireless module is 2.4G transparent transmission module, supports that serial ports transparent transmission function, frequency are 2400MHz to 2485MHz.
4. a kind of student based on wireless communication according to claim 1, which reviews one's lessons to answer questions, requests equipment, it is characterised in that: institute
It states USB and turns serial port module including at least CP210x, CH340, FT232 tri- serial conversion chips.
5. a kind of student based on wireless communication according to claim 1, which reviews one's lessons to answer questions, requests equipment, it is characterised in that: institute
State that USB turns serial port module, the TXD of wireless module is connect with the RXD of other side respectively, the USB turns serial port module, wireless module
VCC is correspondingly connected with the GND of other side respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032795.7A CN109637283A (en) | 2019-01-14 | 2019-01-14 | A kind of student based on wireless communication, which reviews one's lessons to answer questions, requests equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910032795.7A CN109637283A (en) | 2019-01-14 | 2019-01-14 | A kind of student based on wireless communication, which reviews one's lessons to answer questions, requests equipment |
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| CN109637283A true CN109637283A (en) | 2019-04-16 |
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Application publication date: 20190416 |