CN203351065U - Portable mobile interactive teaching system - Google Patents
Portable mobile interactive teaching system Download PDFInfo
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- CN203351065U CN203351065U CN 201320362942 CN201320362942U CN203351065U CN 203351065 U CN203351065 U CN 203351065U CN 201320362942 CN201320362942 CN 201320362942 CN 201320362942 U CN201320362942 U CN 201320362942U CN 203351065 U CN203351065 U CN 203351065U
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Abstract
The utility model relates to a portable mobile interactive teaching system which includes a server, a local area network, a student terminal arranged in each classroom, a teacher terminal, a tablet computer, and a WiFi. The student terminal is formed by a first processor, a key circuit and a first radio frequency module; and the teacher terminal is formed by a second radio frequency module, a second processor and an RS232 interface circuit. The portable mobile interactive teaching system has the following beneficial effects: (1) the students can interact with the teacher in the classroom, timely respond to questions asked by the teacher, or actively push the key to ask questions; (2) the simple structure and low cost are realized; and (3) the check-in function is provided so as to facilitate the unified management of the students.
Description
Technical field
The utility model relates to a kind of Portable movable interactive education system, is applicable to the classroom classroom instruction.
Background technology
Traditional teaching pattern is teacher's explanation and student's passive receive, and the chance that the student participates in and the enthusiasm of participation are not high, and the teacher can't understand grasp in time to student's results of learning, and learning aid is broken off relations.In teaching, Faculty and Students can't realize learning aid anywhere or anytime in movement by wireless network, and the student can't participate positively, can not form the real interaction of learning aid.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of Portable movable interactive education system of realizing by radio frequency signal in classroom.
The utility model solves the technical scheme that its technical matters adopts:
A kind of Portable movable interactive education system comprises server, LAN (Local Area Network), is positioned at the student terminal in each classroom, teacher's terminal, panel computer and WiFi; Described each student terminal is connected with teacher's terminal by radio frequency respectively, and described teacher's terminal and panel computer are connected with WiFi is two-way, and described WiFi is connected with local area network wireless, and described server is connected with LAN (Local Area Network) is two-way;
Described student terminal is comprised of first processor, key circuit and the first radio-frequency module; The input end of the output termination first processor of described key circuit, described first processor is connected with the first radio-frequency module is two-way;
Described teacher's terminal is comprised of the second radio-frequency module, the second processor and RS232 interface circuit; Described the second radio-frequency module is connected with the second processor is two-way, and described the second processor is connected with the RS232 interface circuit is two-way.
The beneficial effects of the utility model are as follows:
(1) student on classroom can with teacher's interaction, respond in time problem that the teacher proposes or initiatively button put question to.
(2) simple in structure, cost is low.
(3) there is the function of registering, be convenient to student's unified management.
The accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
The theory diagram that Fig. 2 is student terminal and teacher's terminal;
The circuit theory diagrams that Fig. 3 is student terminal;
The circuit theory diagrams that Fig. 4 is teacher's terminal.
Embodiment
From the embodiment shown in Fig. 1-4, the Portable movable interactive education system comprises server, LAN (Local Area Network), is positioned at the student terminal in each classroom, teacher's terminal, panel computer and WiFi; Described each student terminal is connected with teacher's terminal by radio frequency respectively, and described teacher's terminal and panel computer are connected with WiFi is two-way, and described WiFi is connected with local area network wireless, and described server is connected with LAN (Local Area Network) is two-way;
Described student terminal is comprised of first processor, key circuit and the first radio-frequency module; The input end of the output termination first processor of described key circuit, described first processor is connected with the first radio-frequency module is two-way;
Described teacher's terminal is comprised of the second radio-frequency module, the second processor and RS232 interface circuit; Described the second radio-frequency module is connected with the second processor is two-way, and described the second processor is connected with the RS232 interface circuit is two-way.
Described first processor comprises single-chip microcomputer U1 and reset circuit, and the model of described single-chip microcomputer U1 is 89C52; Described reset circuit is comprised of resistance R 15-R16, reset key S9 and capacitor C 1; Reset key S9 is connected on after connecting between VCC and ground with resistance R 16, resistance R 15 successively, and the node of resistance R 16 and resistance R 15 connects the RST mouth of single-chip microcomputer U1, and capacitor C 1 is connected between the RST mouth of VCC and single-chip microcomputer U1.
Described key circuit is comprised of current-limiting resistance R1-R8, button S1-S8; Be attempted by+the 5V of an end of current-limiting resistance R1-R8, ground connection after their other end is connected in series with button S1-S8 respectively, current-limiting resistance R1-R8 connects respectively the P1.0-P1.7 mouth of single-chip microcomputer U1 successively with the node of button S1-S8; Button S1-S4 represents respectively four kinds of answer A, B, C, the D in the multiple-choice question answer, and button S5 represents " acknowledgement key ", and button S6 represents " wrong answer key ", and button S7 represents " correct option key ", and button S8 represents " key of raising one's hand "; And indicate respectively above-mentioned corresponding letter and word on button S1-S8.
Described the first radio circuit is comprised of radio frequency chip U2 and pull-up resistor R9-R14; The SI of described radio frequency chip U2, SO, SCLK, CSn, GDO2, GDO0 connect respectively P0.0-P0.3, P3.3, the P3.2 mouth of the first single-chip microcomputer U1 successively, be connected to+the 3.3V of an end of described pull-up resistor R14-R9, their other end connects respectively SI, SO, SCLK, CSn, GDO2, the GDO0 mouth of radio frequency chip U2.
Described the second processor is comprised of single-chip microcomputer U4 and peripheral cell crystal Y1 thereof, crystal Y2, resistance R 17-R18, capacitor C 2-C4; The model of single-chip microcomputer U4 is MSP430F149, and the crystal oscillating circuit that crystal Y1 and capacitor C 2-C3 form is connected between the X2IN mouth and X2OUT mouth of single-chip microcomputer U2; Crystal Y2 is connected between the XIN and XOUT mouth of single-chip microcomputer U4, and resistance R 17-R18 and capacitor C 4 form automatic power-on reset circuit.
Described the second radio-frequency module is comprised of radio frequency chip U5; The SI of described radio frequency chip U5, SO, SCLK, CSn, GDO2, GDO0 mouth connect respectively P3.0-P3.3, the P3.6-P3.7 mouth of single-chip microcomputer U4 successively.
Described RS232 interface circuit is comprised of RS232 interface chip U3 and peripheral cell capacitor C 5-C7 thereof; First group of T2IN of described RS232 interface chip U3 and R2OUT mouth connect respectively P3.4, the P3.5 mouth of single-chip microcomputer U4, and its second group of T2IN, R2OUT mouth connect respectively the corresponding interface of WiFi.
In the present embodiment, the model of radio frequency chip U2, U5 is CC1101, and its frequency of operation is 433MHz, and communication distance is 100～500m.
The workflow of the present embodiment is as follows:
Each student sends 3 byte information at every turn successively, represents respectively the numbering in classroom, student's numbering and answer content; The frequency of the transmission information of the first and second radio-frequency modules is generally 500Kb/s, and the time that each student sends 3 byte information is about 50 μ s.
One, student's flow process of registering
When the student opens student terminal, the student terminal request is connected to teacher's terminal, teacher's terminal transparent transmission request bind command is to server, server judges that after computing can this student terminal be connected to teacher's terminal, result of determination is returned to teacher's terminal, and whether teacher's terminal determines to allow this student terminal to connect according to the result of determination of server.The teacher passes through the connection state of visit data library searching student terminal with the working procedure of panel computer, to check student's the situation of registering.
Two, interactive answer flow process
The interactive answer flow process is divided into two sub-processes, is respectively transmission problem flow process and answers a question flow process, and these two flow processs all adopt the asynchronous operation mode.
Transmission problem flow process: the teacher uses panel computer to send the answer order to server, the panel computer that server receives the backward teacher's use of the message that sends the answer order sends the response bag, and send the answer order to teacher's terminal, teacher's terminal receives the backward server of message that sends the answer order and sends the response bag, and send answering information to student terminal, student terminal receive after answering information show exercise question information to the student and return to the answer of teacher's terminal and respond bag.
The flow process of answering a question: after student terminal receives the answer order, the student can operate the button answer problem of student terminal, teacher's terminal that the answer of problem sends, teacher's terminal returns to student terminal and responds bag, and answer information is sent to server, server returns to teacher's terminal and responds bag, and answer information is returned to teacher's panel computer, and panel computer returns to one of server and responds bag.
Three, finish the answer flow process
Finishing the answer flow process is also to adopt the asynchronous operation mode, the teacher uses panel computer to send and finish the answer order to server, after server receives order, return command is responded and is sent and finish the answer order to teacher's terminal, teacher's terminal receives and finishes to return to the server response bag after the answer order, and sending end answer order to student terminal, student terminal receives and finishes to show correct option and return to teacher's terminal response bag after the answer order.
Four, raise one's hand to put question to flow process and allow to put question to flow process
Raise one's hand to put question to flow process: the student sends and puts question to order to teacher's terminal by student terminal, and putting student terminal is the enquirement state, teacher's terminal returns to the response bag and this orders to server to the student terminal transparent transmission, server returns responds bag to teacher's terminal, and send the enquirement order of raising one's hand to panel computer, panel computer shows the student who puts question to, and returns to the server response bag.
Allow the enquirement flow process: panel computer sends the order of certain student question of permission to server, and server returns to the response bag, and also this order of transparent transmission is to the student terminal of enquirement, and student terminal returns to respond and wraps, and the prompting student can ask a question to teacher.
Claims (7)
1. a Portable movable interactive education system, is characterized in that comprising server, LAN (Local Area Network), be positioned at student terminal, teacher's terminal, panel computer and the WiFi in each classroom; Described each student terminal is connected with teacher's terminal by radio frequency respectively, and described teacher's terminal and panel computer are connected with WiFi is two-way, and described WiFi is connected with local area network wireless, and described server is connected with LAN (Local Area Network) is two-way;
Described student terminal is comprised of first processor, key circuit and the first radio-frequency module; The input end of the output termination first processor of described key circuit, described first processor is connected with the first radio-frequency module is two-way;
Described teacher's terminal is comprised of the second radio-frequency module, the second processor and RS232 interface circuit; Described the second radio-frequency module is connected with the second processor is two-way, and described the second processor is connected with the RS232 interface circuit is two-way.
2. Portable movable interactive education system according to claim 1, is characterized in that described first processor comprises single-chip microcomputer U1 and reset circuit, and the model of described single-chip microcomputer U1 is 89C52; Described reset circuit is comprised of resistance R 15-R16, reset key S9 and capacitor C 1; Reset key S9 is connected on after connecting between VCC and ground with resistance R 16, resistance R 15 successively, and the node of resistance R 16 and resistance R 15 connects the RST mouth of single-chip microcomputer U1, and capacitor C 1 is connected between the RST mouth of VCC and single-chip microcomputer U1.
3. Portable movable interactive education system according to claim 2, is characterized in that described key circuit is comprised of current-limiting resistance R1-R8, button S1-S8; Be attempted by+the 5V of an end of current-limiting resistance R1-R8, ground connection after their other end is connected in series with button S1-S8 respectively, current-limiting resistance R1-R8 connects respectively the P1.0-P1.7 mouth of single-chip microcomputer U1 successively with the node of button S1-S8; Button S1-S4 represents respectively four kinds of answer A, B, C, the D in the multiple-choice question answer, and button S5 represents " acknowledgement key ", and button S6 represents " wrong answer key ", and button S7 represents " correct option key ", and button S8 represents " key of raising one's hand "; And indicate respectively above-mentioned corresponding letter and word on button S1-S8.
4. Portable movable interactive education system according to claim 3, is characterized in that described the first radio circuit is comprised of radio frequency chip U2 and pull-up resistor R9-R14; The SI of described radio frequency chip U2, SO, SCLK, CSn, GDO2, GDO0 connect respectively P0.0-P0.3, P3.3, the P3.2 mouth of the first single-chip microcomputer U1 successively, be connected to+the 3.3V of an end of described pull-up resistor R14-R9, their other end connects respectively SI, SO, SCLK, CSn, GDO2, the GDO0 mouth of radio frequency chip U2.
5. Portable movable interactive education system according to claim 4, is characterized in that described the second processor is comprised of single-chip microcomputer U4 and peripheral cell crystal Y1 thereof, crystal Y2, resistance R 17-R18, capacitor C 2-C4; The model of single-chip microcomputer U4 is MSP430F149, and the crystal oscillating circuit that crystal Y1 and capacitor C 2-C3 form is connected between the X2IN mouth and X2OUT mouth of single-chip microcomputer U2; Crystal Y2 is connected between the XIN and XOUT mouth of single-chip microcomputer U4, and resistance R 17-R18 and capacitor C 4 form automatic power-on reset circuit.
6. Portable movable interactive education system according to claim 5, is characterized in that described the second radio-frequency module is comprised of radio frequency chip U5; The SI of described radio frequency chip U5, SO, SCLK, CSn, GDO2, GDO0 mouth connect respectively P3.0-P3.3, the P3.6-P3.7 mouth of single-chip microcomputer U4 successively.
7. Portable movable interactive education system according to claim 6, is characterized in that described RS232 interface circuit is comprised of RS232 interface chip U3 and peripheral cell capacitor C 5-C7 thereof; First group of T2IN of described RS232 interface chip U3 and R2OUT mouth connect respectively P3.4, the P3.5 mouth of single-chip microcomputer U4, and its second group of T2IN, R2OUT mouth connect respectively the corresponding interface of WiFi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320362942 CN203351065U (en) | 2013-06-24 | 2013-06-24 | Portable mobile interactive teaching system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320362942 CN203351065U (en) | 2013-06-24 | 2013-06-24 | Portable mobile interactive teaching system |
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| CN203351065U true CN203351065U (en) | 2013-12-18 |
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| CN 201320362942 Expired - Fee Related CN203351065U (en) | 2013-06-24 | 2013-06-24 | Portable mobile interactive teaching system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295436A (en) * | 2013-06-24 | 2013-09-11 | 河北师范大学 | Portable mobile interactive teaching system |
| CN106355965A (en) * | 2016-11-30 | 2017-01-25 | 河南机电高等专科学校 | Computer control teaching system |
-
2013
- 2013-06-24 CN CN 201320362942 patent/CN203351065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103295436A (en) * | 2013-06-24 | 2013-09-11 | 河北师范大学 | Portable mobile interactive teaching system |
| CN106355965A (en) * | 2016-11-30 | 2017-01-25 | 河南机电高等专科学校 | Computer control teaching system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20150624 |
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| EXPY | Termination of patent right or utility model |