CN203552495U - Answer device capable of carrying out multi-answer choice - Google Patents
Answer device capable of carrying out multi-answer choice Download PDFInfo
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- CN203552495U CN203552495U CN201320775547.XU CN201320775547U CN203552495U CN 203552495 U CN203552495 U CN 203552495U CN 201320775547 U CN201320775547 U CN 201320775547U CN 203552495 U CN203552495 U CN 203552495U
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Abstract
The utility model discloses an answer device capable of carrying out multi-answer choice. The answer device comprises a first choice answer circuit, a second choice answer circuit, a third choice answer circuit, a fourth choice answer circuit, an answer confirmation circuit, a VCC power source, a 5V power source, and a resistor R15 and a self-reset switch S6 which are connected in series between the 5V power source and the ground, wherein the answer confirmation circuit comprises a D trigger U9, an indicating branch, and a resistor R14 and a self-reset switch S5 which are connected in series between the 5V power source and the ground, the first choice answer circuit, the second choice answer circuit, the third choice answer circuit and the fourth choice answer circuit have same structures, and the first choice answer circuit comprises an indicating lamp LA1, an optical coupler U1, a D trigger U2, a self-reset switch S1, a resistor R1, a resistor R2, a resistor R3 and a light emitting diode D1. The answer device has a simple structure, is convenient and practical and can realize single-answer or multi-answer choice.
Description
Technical field
The utility model relates to a kind of device for answering question, is specially a kind of device for answering question that can carry out answer multiselect.
Background technology
Device for answering question is electronic equipment conventional in interactive classroom and Student Competition, the application breakthrough of device for answering question traditional student limitation of raising one's hand to answer a question, be conducive to realize the interactive enthusiasm with promoting Students ' Learning of teachers and students, and then raising results of learning, existing device for answering question function singleness, often can only process and realize and select individual event answer, and can not carry out the selection processing of multinomial answer.
Summary of the invention
The utility model is for the proposition of above problem, and develops a kind of device for answering question that can carry out answer multiselect.
Technological means of the present utility model is as follows:
Can carry out a device for answering question for answer multiselect, comprise the first selection answer circuit, the second selection answer circuit, the 3rd selection answer circuit, the 4th selection answer circuit, confirm answer circuit, VCC power supply, 5V power supply, mutual resistance R 15 and the self-resetting switch S6 of series connection between 5V VDD-to-VSS and the capacitor C 1 that is connected in parallel on self-resetting switch S6 two ends;
Described confirmation answer circuit comprises d type flip flop U9, indication branch road, resistance R 14 and the self-resetting switch S5 of mutual series connection between 5V VDD-to-VSS; The D of described d type flip flop U9 holds and it
end is connected; Described indication branch road is placed between the Q end and ground of d type flip flop U9; The CP end of described d type flip flop U9 is connected with the phase contact of resistance R 14 and self-resetting switch S5;
Described first selects answer circuit, second to select answer circuit, the 3rd to select answer circuit and the 4th to select the structure of answer circuit identical, wherein first selects answer circuit to comprise pilot lamp LA1, optocoupler U1, d type flip flop U2, self-resetting switch S1, resistance R 1, resistance R 2, resistance R 3 and light emitting diode D1; Described pilot lamp LA1 two ends connect respectively the collector of VCC power supply and optocoupler U1 receiving end; The emitter of described optocoupler U1 receiving end is connected with ground, and the Q that the anode of this optocoupler U1 transmitting terminal connects d type flip flop U2 by resistance R 1 holds; The negative electrode of described optocoupler U1 transmitting terminal connects d type flip flop U9's
end; The D of described d type flip flop U2 holds and it
end is connected; The Q end of described d type flip flop U2 also passes through resistance R 2 connecting luminous diode D1 anodes, described light emitting diode D1 plus earth; Described self-resetting switch S1 and the mutual series connection of resistance R 3 are between 5V VDD-to-VSS, and the CP of described d type flip flop U2 end is connected with the phase contact of self-resetting switch S1 and resistance R 3;
Described d type flip flop U2's
end and described d type flip flop U9's
end is all connected with the phase contact of resistance R 15 and self-resetting switch S6;
Further, described indication is propped up route resistance R 13 and light emitting diode D5 is mutually in series.
Owing to having adopted technique scheme, the device for answering question that can carry out answer multiselect that the utility model provides, circuit structure is simple, convenient and practical, can realize the selection of individual event or multinomial answer, be applicable to interactive classroom and Student Competition, broken through the limitation that traditional student raises one's hand to answer a question, be conducive to realize the interactive enthusiasm with promoting Students ' Learning of teachers and students, and then improve results of learning.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
A kind of device for answering question that can carry out answer multiselect as shown in Figure 1, comprises the first selection answer circuit, the second selection answer circuit, the 3rd selection answer circuit, the 4th selection answer circuit, confirms answer circuit, VCC power supply, 5V power supply, mutual resistance R 15 and the self-resetting switch S6 of series connection between 5V VDD-to-VSS and the capacitor C 1 that is connected in parallel on self-resetting switch S6 two ends; Described confirmation answer circuit comprises d type flip flop U9, indication branch road, resistance R 14 and the self-resetting switch S5 of mutual series connection between 5V VDD-to-VSS; The D of described d type flip flop U9 holds and it
end is connected; Described indication branch road is placed between the Q end and ground of d type flip flop U9; The CP end of described d type flip flop U9 is connected with the phase contact of resistance R 14 and self-resetting switch S5; Described first selects answer circuit, second to select answer circuit, the 3rd to select answer circuit and the 4th to select the structure of answer circuit identical, wherein first selects answer circuit to comprise pilot lamp LA1, optocoupler U1, d type flip flop U2, self-resetting switch S1, resistance R 1, resistance R 2, resistance R 3 and light emitting diode D1; Described pilot lamp LA1 two ends connect respectively the collector of VCC power supply and optocoupler U1 receiving end; The emitter of described optocoupler U1 receiving end is connected with ground, and the Q that the anode of this optocoupler U1 transmitting terminal connects d type flip flop U2 by resistance R 1 holds; The negative electrode of described optocoupler U1 transmitting terminal connects d type flip flop U9's
end; The D of described d type flip flop U2 holds and it
end is connected; The Q end of described d type flip flop U2 also passes through resistance R 2 connecting luminous diode D1 anodes, described light emitting diode D1 plus earth; Described self-resetting switch S1 and the mutual series connection of resistance R 3 are between 5V VDD-to-VSS, and the CP of described d type flip flop U2 end is connected with the phase contact of self-resetting switch S1 and resistance R 3; Described d type flip flop U2's
end and described d type flip flop U9's
end is all connected with the phase contact of resistance R 15 and self-resetting switch S6; Further, described indication is propped up route resistance R 13 and light emitting diode D5 is mutually in series.
The course of work of the device for answering question that can carry out answer multiselect described in the utility model is as follows:
Capacitor C 1 charging when device for answering question initially powers on, when capacitor C 1 voltage is during lower than 5V voltage, d type flip flop U2, U4, U6, U8 and U9 asynchronous reset; When capacitor C 1 voltage reaches 5V voltage, d type flip flop U2, U4, U6, U8 and U9 be in normal operating conditions, d type flip flop U2 now, U4, U6, U8, the Q end output low level of U9, inverse output terminal
output high level, is open-circuit condition between the receiving end collector of optocoupler U1, U3, U5 and U7 and emitter, and the state of pilot lamp LA1, LA2, LA3, LA4 is and goes out, and the state of light emitting diode D1, D2, D3, D4 and D5 is also for going out.
When user selects answer, by self-resetting switch S1, S2, S3 and the answer of S4 multiple-choice question object, can be by pilot lamp LA1, LA2, the bright corresponding answer A of state difference, B, C, the D of LA3, LA4; As select A option, and press self-resetting switch S1, at the CP of d type flip flop U2 end, produce a rising edge of a pulse, the level upset of d type flip flop U2, its Q end output high level, now light emitting diode D1 lights, indication selection mode; If cancel A option, again press self-resetting switch S1, at the CP of d type flip flop U2 end, produce a rising edge, the level of d type flip flop U2 overturns again, its Q end output low level, now light emitting diode D1 is gone out by bright change, and indication option is cancelled; First selects answer circuit, second to select answer circuit, the 3rd to select answer circuit, the 4th to select the structure of answer circuit identical, and separate, be independent of each other, the same said process of operation of other B, C, D option, can select a plurality of options, user only need press respectively the self-resetting switch in corresponding circuits simultaneously.
After user has selected answer, will confirm to answer, device for answering question is realized and is outputed to corresponding pilot lamp LA1, LA2, LA3 and LA4; As ought be chosen option A and D, now the state of light emitting diode D1, D4 is bright, the Q end output high level of d type flip flop U2, U8, and the transmitting terminal anode of optocoupler U1, U7 is high level, simultaneously due to d type flip flop U9's
end output high level, therefore the transmitting terminal negative electrode of optocoupler U1, U7 is also high level, now, user presses self-resetting switch S5, and the Q end level upset of d type flip flop U9 is low level, and the transmitting terminal negative electrode of optocoupler U1, U7 is low level, the receiving end conducting of optocoupler U1 and U7, the receiving end grounded collector of optocoupler U1 and U7, pilot lamp LA1 and LA4 power up and light, and user submits answer to.
When user selects next topic, press self-resetting switch S6, d type flip flop U2, U4, U6, U8 and the zero clearing of U9 asynchronous reset, get back to the duty while initially powering on, and pilot lamp LA1, LA2, LA3 and LA4 extinguish; Light emitting diode lamp D1, D2, D3 and D4 extinguish.
The device for answering question that can carry out answer multiselect that the utility model provides, circuit structure is simple, convenient and practical, can realize the selection of individual event or multinomial answer, be applicable to interactive classroom and Student Competition, broken through the limitation that traditional student raises one's hand to answer a question, be conducive to realize the interactive enthusiasm with promoting Students ' Learning of teachers and students, and then improve results of learning.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection domain of the present utility model.
Claims (2)
1. can carry out a device for answering question for answer multiselect, it is characterized in that comprising the first selection answer circuit, the second selection answer circuit, the 3rd selection answer circuit, the 4th selection answer circuit, confirm answer circuit, VCC power supply, 5V power supply, mutual resistance R 15 and the self-resetting switch S6 of series connection between 5V VDD-to-VSS and the capacitor C 1 that is connected in parallel on self-resetting switch S6 two ends;
Described confirmation answer circuit comprises d type flip flop U9, indication branch road, resistance R 14 and the self-resetting switch S5 of mutual series connection between 5V VDD-to-VSS; The D of described d type flip flop U9 holds and it
end is connected; Described indication branch road is placed between the Q end and ground of d type flip flop U9; The CP end of described d type flip flop U9 is connected with the phase contact of resistance R 14 and self-resetting switch S5;
Described first selects answer circuit, second to select answer circuit, the 3rd to select answer circuit and the 4th to select the structure of answer circuit identical, wherein first selects answer circuit to comprise pilot lamp LA1, optocoupler U1, d type flip flop U2, self-resetting switch S1, resistance R 1, resistance R 2, resistance R 3 and light emitting diode D1; Described pilot lamp LA1 two ends connect respectively the collector of VCC power supply and optocoupler U1 receiving end; The emitter of described optocoupler U1 receiving end is connected with ground, and the Q that the anode of this optocoupler U1 transmitting terminal connects d type flip flop U2 by resistance R 1 holds; The negative electrode of described optocoupler U1 transmitting terminal connects d type flip flop U9's
end; The D of described d type flip flop U2 holds and it
end is connected; The Q end of described d type flip flop U2 also passes through resistance R 2 connecting luminous diode D1 anodes, described light emitting diode D1 plus earth; Described self-resetting switch S1 and the mutual series connection of resistance R 3 are between 5V VDD-to-VSS, and the CP of described d type flip flop U2 end is connected with the phase contact of self-resetting switch S1 and resistance R 3;
Described d type flip flop U2's
end and described d type flip flop U9's
end is all connected with the phase contact of resistance R 15 and self-resetting switch S6.
2. a kind of device for answering question that can carry out answer multiselect according to claim 1, is characterized in that route resistance R 13 is propped up in described indication and light emitting diode D5 is mutually in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775547.XU CN203552495U (en) | 2013-11-28 | 2013-11-28 | Answer device capable of carrying out multi-answer choice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775547.XU CN203552495U (en) | 2013-11-28 | 2013-11-28 | Answer device capable of carrying out multi-answer choice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552495U true CN203552495U (en) | 2014-04-16 |
Family
ID=50470578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775547.XU Expired - Fee Related CN203552495U (en) | 2013-11-28 | 2013-11-28 | Answer device capable of carrying out multi-answer choice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203552495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI584239B (en) * | 2015-10-02 | 2017-05-21 | Jon Chao Hong | Electronic test system and answer device |
-
2013
- 2013-11-28 CN CN201320775547.XU patent/CN203552495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI584239B (en) * | 2015-10-02 | 2017-05-21 | Jon Chao Hong | Electronic test system and answer device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 |