CN204166632U - The simple and easy question-and-answer game apparatus of a kind of three people - Google Patents
The simple and easy question-and-answer game apparatus of a kind of three people Download PDFInfo
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- CN204166632U CN204166632U CN201420673453.6U CN201420673453U CN204166632U CN 204166632 U CN204166632 U CN 204166632U CN 201420673453 U CN201420673453 U CN 201420673453U CN 204166632 U CN204166632 U CN 204166632U
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Abstract
The utility model discloses the simple and easy question-and-answer game apparatus of a kind of three people, comprise multivibrator, instruction phonation circuit, key circuit, four d flip-flop circuit, multivibrator, instruction phonation circuit, key circuit all connect four d flip-flop circuit, and the utility model provides the simple and easy question-and-answer game apparatus of three people that a kind of cost is low, structure is simple, reliability is high.
Description
Technical field
The utility model relates to the simple and easy question-and-answer game apparatus of a kind of three people.
Background technology
Former when not having a question-and-answer game apparatus, people just raise one's hand to race to be the first to answer a question.So just can not judge that first which raise one's hand accurately, therefore produce contradiction.Then occurred question-and-answer game apparatus like some machineries, but accuracy is not high, and too expensive, and just occurred the question-and-answer game apparatus of electronic type subsequently, due to the circuits of rush-answering device more complicated of electronic type, therefore cost is also very high, job insecurity.
Utility model content
The purpose of this utility model overcomes deficiency in existing product, provides the simple and easy question-and-answer game apparatus of three people that a kind of cost is low, structure is simple, reliability is high.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The simple and easy question-and-answer game apparatus of a kind of three people, comprises multivibrator, instruction phonation circuit, key circuit, four d flip-flop circuit, and multivibrator, instruction phonation circuit, key circuit all connect four d flip-flop circuit.
Multivibrator comprises 555 timer U1, electric capacity C1, electric capacity C2, resistance R1, resistance R2,2 pins of 555 timer U1 connect earth signal by electric capacity C1,5 pins of 555 timer U1 connect earth signal by electric capacity C2,1 pin of 555 timer U1 connects earth signal, 2 pins of 555 timer U1 connect 6 pins, 2 pins of 555 timer U1 also connect 7 pins of 555 timer U1 by resistance R2,7 pins of 555 timer U1 connect 8 pins of 555 timer U1 by resistance R1,4 pins of 555 timer U1 connect power supply.
Instruction phonation circuit comprises loudspeaker BP, light emitting diode D1, light emitting diode D2, light emitting diode D3, the negative pole of the negative pole of light emitting diode D1, the negative pole of light emitting diode D2, light emitting diode D3 all connects the positive pole of loudspeaker BP, the negative pole of loudspeaker BP connects earth signal, and the positive pole of the positive pole of light emitting diode D1, the positive pole of light emitting diode D2, light emitting diode D3 all connects four d flip-flop circuit.
Key circuit comprises button S1, button S2, button S3, reset key S0, resistance R11, resistance R12, resistance R13, resistance R14, one end of button S1, one end of button S2, one end of button S3 all connects power supply, the other end of button S1 connects earth signal by resistance R11, the other end of button S2 connects earth signal by resistance R12, the other end of button S3 connects earth signal by resistance R13, the other end of button S1, the other end of button S2, the other end of button S3 all connects four d flip-flop circuit, one end of reset key S0 connects earth signal, the other end of reset key S0 connects four d flip-flop circuit, the other end of reset key S0 also connects power supply by resistance R14.
Four d flip-flop circuit comprises 74LS175 four d flip-flop U2, three input nand gate U1A, two input not gate U2A, two input not gate U3A, 3 pins of 74LS175 four d flip-flop U2,6 pins, 11 pins all connect the input end of three input nand gate U1A, the output terminal of three input nand gate U1A all connects two input ends of two input not gate U2A, the output terminal of two input not gate U2A connects an input end of two input not gate U3A, and the output terminal of two input not gate U3A connects 9 pins of 74LS175 four d flip-flop U2.
The beneficial effects of the utility model are as follows: the utility model is realized three people raced to be the first to answer a question by multivibrator, instruction phonation circuit, key circuit, four d flip-flop circuit, its structure is simple, cost is low, light is sent and hummer sends the sound by light emitting diode, thus the player that judgement is raced to be the first to answer a question, very convenient.
Accompanying drawing explanation
Fig. 1 is system chart of the present utility model;
Fig. 2 is circuit structure diagram of the present utility model.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described further:
As shown in Figure 1 and Figure 2, the simple and easy question-and-answer game apparatus of a kind of three people, comprises multivibrator 1, instruction phonation circuit 2, key circuit 4, four d flip-flop circuit 3, and multivibrator 1, instruction phonation circuit 2, key circuit 4 all connect four d flip-flop circuit 3.
Four d flip-flop circuit 3 comprises 74LS175 four d flip-flop U2, three input nand gate U1A, two input not gate U2A, two input not gate U3A, 3 pins of 74LS175 four d flip-flop U2,6 pins, 11 pins all connect the input end of three input nand gate U1A, the output terminal of three input nand gate U1A all connects two input ends of two input not gate U2A, the output terminal of two input not gate U2A connects an input end of two input not gate U3A, and the output terminal of two input not gate U3A connects 9 pins of 74LS175 four d flip-flop U2.
Multivibrator 1 comprises 555 timer U1, electric capacity C1, electric capacity C2, resistance R1, resistance R2, 2 pins of 555 timer U1 connect earth signal by electric capacity C1, 5 pins of 555 timer U1 connect earth signal by electric capacity C2, 1 pin of 555 timer U1 connects earth signal, 2 pins of 555 timer U1 connect 6 pins, 2 pins of 555 timer U1 also connect 7 pins of 555 timer U1 by resistance R2, 7 pins of 555 timer U1 connect 8 pins of 555 timer U1 by resistance R1, 4 pins of 555 timer U1 connect power supply, 3 pins of 555 timer U1 connect another input end of two input not gate U3A.
Instruction phonation circuit 2 comprises loudspeaker BP, light emitting diode D1, light emitting diode D2, light emitting diode D3, the negative pole of the negative pole of light emitting diode D1, the negative pole of light emitting diode D2, light emitting diode D3 all connects the positive pole of loudspeaker BP, the negative pole of loudspeaker BP connects earth signal, the positive pole of light emitting diode D1 connects 2 pins of 74LS175 four d flip-flop U2, the positive pole of light emitting diode D2 connects 7 pins of 74LS175 four d flip-flop U2, and the positive pole of light emitting diode D3 connects 10 pins of 74LS175 four d flip-flop U2.
Key circuit 4 comprises button S1, button S2, button S3, reset key S0, resistance R11, resistance R12, resistance R13, resistance R14, one end of button S1, one end of button S2, one end of button S3 all connects power supply, the other end of button S1 connects earth signal by resistance R11, the other end of button S2 connects earth signal by resistance R12, the other end of button S3 connects earth signal by resistance R13, the other end of button S1 connects 4 pins of 74LS175 four d flip-flop U2, the other end of button S2 connects 5 pins of 74LS175 four d flip-flop U2, the other end of button S3 connects 12 pins of 74LS175 four d flip-flop U2, one end of reset key S0 connects earth signal, the other end of reset key S0 connects 1 pin of 74LS175 four d flip-flop U2, the other end of reset key S0 also connects power supply by resistance R14.
When button S1 first presses, when now 4 pins of 74LS175 four d flip-flop U2 are high level, so 2 pins of 74LS175 four d flip-flop U2 are high level, now light emitting diode D1 is luminous, loudspeaker BP sends the sound, 3 pins of 74LS175 four d flip-flop U2 are low level, the output terminal of three input nand gate U1A is high level, the output terminal of two input not gate U2A is low level, so 9 pins of 74LS175 four d flip-flop U2 are high level, so the output of 74LS175 four d flip-flop U2 remains unchanged, even if when after button S1 presses, button S2 or button S3 presses, 9 pins of 74LS175 four d flip-flop U2 are still high level, the output of 74LS175 four d flip-flop U2 remains unchanged, therefore button S2 or button S3 presses, light emitting diode D2 and light emitting diode D3 all can not be luminous.When button S2 or button S3 presses time, when now 7 pins of 74LS175 four d flip-flop U2 or 10 pins are high level, now light emitting diode D2 or light emitting diode D3 is luminous for that, loudspeaker BP sends the sound, now, other button is pressed, and the output of 74LS175 four d flip-flop U2 remains unchanged.
The utility model is realized three people raced to be the first to answer a question by multivibrator, instruction phonation circuit, key circuit, four d flip-flop circuit, its structure is simple, cost is low, send light by light emitting diode and hummer sends the sound, thus judge the player that races to be the first to answer a question, very convenient.
It should be noted that above what enumerate is only a kind of specific embodiment of the present utility model.Obviously, the utility model is not limited to above embodiment, can also have many distortion.
In a word, all distortion that those of ordinary skill in the art can directly derive from content disclosed in the utility model or associate, all should think protection domain of the present utility model.
Claims (5)
1. the simple and easy question-and-answer game apparatus of people, it is characterized in that, comprise multivibrator (1), instruction phonation circuit (2), key circuit (4), four d flip-flop circuit (3), described multivibrator (1), instruction phonation circuit (2), key circuit (4) all connect four d flip-flop circuit (3).
2. the simple and easy question-and-answer game apparatus of a kind of three people according to claim 1, it is characterized in that, described multivibrator (1) comprises 555 timer U1, electric capacity C1, electric capacity C2, resistance R1, resistance R2, 2 pins of described 555 timer U1 connect earth signal by electric capacity C1, 5 pins of described 555 timer U1 connect earth signal by electric capacity C2, 1 pin of described 555 timer U1 connects earth signal, 2 pins of described 555 timer U1 connect 6 pins, 2 pins of described 555 timer U1 also connect 7 pins of 555 timer U1 by resistance R2, 7 pins of described 555 timer U1 connect 8 pins of 555 timer U1 by resistance R1, 4 pins of described 555 timer U1 connect power supply.
3. the simple and easy question-and-answer game apparatus of a kind of three people according to claim 1, it is characterized in that, described instruction phonation circuit (2) comprises loudspeaker BP, light emitting diode D1, light emitting diode D2, light emitting diode D3, the negative pole of the negative pole of described light emitting diode D1, the negative pole of light emitting diode D2, light emitting diode D3 all connects the positive pole of loudspeaker BP, the negative pole of described loudspeaker BP connects earth signal, and the positive pole of the positive pole of described light emitting diode D1, the positive pole of light emitting diode D2, light emitting diode D3 all connects four d flip-flop circuit.
4. the simple and easy question-and-answer game apparatus of a kind of three people according to claim 1, it is characterized in that, described key circuit (4) comprises button S1, button S2, button S3, reset key S0, resistance R11, resistance R12, resistance R13, resistance R14, one end of described button S1, one end of button S2, one end of button S3 all connects power supply, the other end of described button S1 connects earth signal by resistance R11, the other end of described button S2 connects earth signal by resistance R12, the other end of described button S3 connects earth signal by resistance R13, the other end of described button S1, the other end of button S2, the other end of button S3 all connects four d flip-flop circuit, one end of described reset key S0 connects earth signal, the other end of described reset key S0 connects four d flip-flop circuit, the other end of described reset key S0 also connects power supply by resistance R14.
5. the simple and easy question-and-answer game apparatus of a kind of three people according to claim 1, it is characterized in that, described four d flip-flop circuit (3) comprises 74LS175 four d flip-flop U2, three input nand gate U1A, two input not gate U2A, two input not gate U3A, 3 pins of described 74LS175 four d flip-flop U2, 6 pins, 11 pins all connect the input end of three input nand gate U1A, the output terminal of three input nand gate U1A all connects two input ends of two input not gate U2A, the output terminal of described two input not gate U2A connects an input end of two input not gate U3A, the output terminal of described two input not gate U3A connects 9 pins of 74LS175 four d flip-flop U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673453.6U CN204166632U (en) | 2014-11-10 | 2014-11-10 | The simple and easy question-and-answer game apparatus of a kind of three people |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420673453.6U CN204166632U (en) | 2014-11-10 | 2014-11-10 | The simple and easy question-and-answer game apparatus of a kind of three people |
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| Publication Number | Publication Date |
|---|---|
| CN204166632U true CN204166632U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420673453.6U Expired - Fee Related CN204166632U (en) | 2014-11-10 | 2014-11-10 | The simple and easy question-and-answer game apparatus of a kind of three people |
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| Country | Link |
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| CN (1) | CN204166632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992510A (en) * | 2015-07-30 | 2015-10-21 | 黄克亚 | Intelligent wireless responder |
-
2014
- 2014-11-10 CN CN201420673453.6U patent/CN204166632U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992510A (en) * | 2015-07-30 | 2015-10-21 | 黄克亚 | Intelligent wireless responder |
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| Date | Code | Title | Description |
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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: 20150218 Termination date: 20151110 |
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| EXPY | Termination of patent right or utility model |