CN201853297U

CN201853297U - Answering racer based on AT 89S52 single chip microcomputer

Info

Publication number: CN201853297U
Application number: CN2010206201514U
Authority: CN
Inventors: 胡玉忠
Original assignee: JIANGSU RIGHT ELECTRONICS EQUIPMENT CO Ltd
Current assignee: JIANGSU RIGHT ELECTRONICS EQUIPMENT CO Ltd
Priority date: 2010-11-23
Filing date: 2010-11-23
Publication date: 2011-06-01
Anticipated expiration: 2020-11-23

Abstract

The utility model discloses an answering racer based on an AT 89S52 single chip microcomputer, wherein a circuit of the answering racer comprises a U1 part, a U2 part, a U3 part and a U4 part which are connected with one another to form the circuit of the answering racer; the U1 part mainly consists of an AT 89S52 and is used for processing input signals and outputting control signals; the U2 part mainly consists of a buzzer and is used for accomplishing voice prompt; the U3 part mainly consists of an LED (light-emitting diode) nixie tube and is used for displaying the serial numbers of answering contestants; and the U4 part mainly consists of a key circuit and is used for generating answering signals. The answering racer has the data latching function, the display function and the voice prompt function as well as the advantages of small volume, low cost and power consumption, high reading and writing speed, strong capacity of resisting disturbance and good confidentiality.

Description

Question-and-answer game apparatus based on the AT89S52 single-chip microcomputer

Technical field

The utility model relates to question-and-answer game apparatus, is specifically related to a kind of question-and-answer game apparatus based on the AT89S52 single-chip microcomputer.

Background technology

The singlechip technology development is very fast, The application of single-chip computer is also from the initial application in spread foundation, progressively carry out the transition to the enhancement mode single-chip microcomputer that utilizes internal resource emphatically, expansion technique is from the excessive popular up till now serial expansion technique of concurrent technique. and very big variation has also taken place in the ways and means of single-chip microcomputer application and development, from traditional simulation hardware with use programmable device, excessively arrive in-system programming (ISP) technology, in application (IAP) able to programme technology etc.

Current social competition is fierce day by day, select the talent, choose winning, the activity of general knowledge test and so on is frequent further, and in contest, often be divided into several groups of participation, at this moment the problem that proposes at the host, if be to allow the person of racing to be the first to answer a question with method such as raising one's hand, this can cause the unjustness of match to a certain extent because of host's subjective wrong diagnosis.In the match for accurate, just, judge first person of racing to be the first to answer a question intuitively, this will have a kind of equipment of racing to be the first to answer a question as the referee, must be unable to do without question-and-answer game apparatus.

Question-and-answer game apparatus is a kind of application equipment very widely, and in various contests, race to be the first to answer a question in the occasion, it can tell the player who obtains the floor at first rapidly, objectively.Early stage question-and-answer game apparatus only is made up of several triodes, controllable silicon, luminotron etc., can make out player's number by the indication of luminotron.Present most of question-and-answer game apparatus all uses single-chip microcomputer or digital integrated circuit, and has increased many new functions, as player's number show, rob by preceding or rob by after functions such as timing, the demonstration of player's score.Along with development of science and technology, present question-and-answer game apparatus has digitizing, and intelligentized direction develops, and this just must improve the cost of question-and-answer game apparatus.More and more in view of present small-scale general knowledge test, operate simple and easyly, circuit is simple, and cost is lower, and reliable, the economical and practical small-sized question-and-answer game apparatus of sensitivity will have market greatly.

Summary of the invention

The purpose of this utility model is: a kind of question-and-answer game apparatus based on the AT89S52 single-chip microcomputer is provided, and question-and-answer game apparatus has data latching function, Presentation Function and voice prompt function, and volume is little, cost is low, and is low in energy consumption, and read or write speed is fast, and antijamming capability is strong, and security performance is good.

Technical solution of the present utility model is: the circuit of this question-and-answer game apparatus comprises U1 part, U2 part, U3 part and U4 part, and U1 part, U2 part, U3 part and U4 partly are interconnected to constitute the circuit of question-and-answer game apparatus; The U1 part is finished the processing of input signal and the output of control signal based on AT89S52; The U2 part is finished the prompting of sound based on hummer; The U3 part is finished racing to be the first to answer a question the demonstration of player's numbering based on the LED charactron; The U4 part is finished racing to be the first to answer a question the generation of signal based on key circuit; Physical circuit connects as follows:

The U1 part:The 9th pin of AT89S52 connects "-" utmost point of electrochemical capacitor C1, "+" utmost point of electrochemical capacitor connects+the 5V power supply, + 5V power supply connects the Omron button, the other end connecting resistance R2 of Omron button, the other end ground connection of R2, the 18th pin of AT89S52 connects capacitor C 2(30PF), the other end ground connection of C2, the 18th pin of AT89S52 meets passive crystal oscillator X1 again, the 19th pin of another termination AT89S52 of X1, the 19th pin of AT89S52 connects capacitor C 3 again, the other end ground connection of C3, the 31st pin of AT89S52 connects+the 5V power supply, the 1st pin of AT89S52 connects 2 pin of 74LS245, the 2nd pin of AT89S52 connects 3 pin of 74LS245, the 3rd pin of AT89S52 connects 4 pin of 74LS245, the 4th pin of AT89S52 connects 5 pin of 74LS245, the 5th pin of AT89S52 connects 6 pin of 74LS245, the 6th pin of AT89S52 connects 7 pin of 74LS245, the 7th pin of AT89S52 connects 8 pin of 74LS245, the 8th pin of AT89S52 connects 9 pin of 74LS245, the 21st pin connecting resistance R1 of AT89S52, and the 23rd pin of AT89S52 connects host's button, the 10th pin selecting hand 1 button of AT89S52, the 11st pin selecting hand 2 buttons of AT89S52, the 12nd pin selecting hand 3 buttons of AT89S52, the 13rd pin selecting hand 4 buttons of AT89S52, the 14th pin selecting hand 5 buttons of AT89S52, the 15th pin selecting hand 6 buttons of AT89S52, the 16th pin selecting hand 7 buttons of AT89S52, the 17th pin selecting hand 8 buttons of AT89S52;

The U2 part:Resistance R 1 connects the base stage of triode 9015, and collector connects+5V, and emitter connects the positive pole of hummer, and the hummer negative pole connects, the other end ground connection of host's button;

The U3 part:18 pin of 74LS245 connect a pin of charactron, 17 pin of 74LS245 connect the b pin of charactron, 16 pin of 74LS245 connect the c pin of charactron, and 15 pin of 74LS245 connect the d pin of charactron, and 14 pin of 74LS245 connect the e pin of charactron, 13 pin of 74LS245 connect the f pin of charactron, 12 pin of 74LS245 connect the g pin of charactron, and 11 pin of 74LS245 connect the dp pin of charactron, the cloudy altogether end ground connection of charactron, the 19 pin ground connection of 74LS245,1 pin ground connection+5V of 74LS245;

The U4 part:Player's 1 button to the other end of player's 8 buttons links to each other and ground connection mutually.

During match: take part in game for 8 players or 8 delegations simultaneously, be numbered 0,1,2,3,4,5,6,7, respectively with a button; Be provided with a gauge tap to the host, be used for the zero clearing of control system and the beginning of racing to be the first to answer a question;

After racing to be the first to answer a question beginning, if there is the player to press question-and-answer game apparatus, numbering latchs immediately, and shows player's numbering on the LED charactron, and lamp is bright and with auditory tone cues simultaneously; In addition, block input circuit, forbid that other players race to be the first to answer a question, the consistent host of remaining to of numbering who races to be the first to answer a question the player at first is with system's zero clearing.

The utlity model has following advantage: 1, the acp chip of data processing module is the AT89S52 chip, it has 15 programmable Is/O mouth, and it is compatible fully with the MCS-51 instruction, inner subsidiary have the RAM of 128B available, and the erasable FLASH of 2KB is arranged, and the serial communication port etc. of a full duplex is arranged, in this device, the chip price of this question-and-answer game apparatus circuit is cheap, and chip pin is few, circuit reduction; 2, the volume of this question-and-answer game apparatus is little, and cost is low, and is low in energy consumption, and read or write speed is fast, and antijamming capability is strong, and security performance is good; 3, question-and-answer game apparatus has data latching function, Presentation Function and voice prompt function, after racing to be the first to answer a question beginning, if there is the player to press question-and-answer game apparatus, numbering latchs immediately, and shows player's numbering on the LED charactron, and lamp is bright and with auditory tone cues simultaneously, in addition, block input circuit, forbid that other players race to be the first to answer a question, the consistent host of remaining to of numbering who races to be the first to answer a question the player at first is with system's zero clearing.

Description of drawings

Fig. 1 is circuit theory diagrams of the present utility model.

Embodiment

Further specify technical solution of the present utility model below in conjunction with accompanying drawing.

As shown in Figure 1, the circuit of this question-and-answer game apparatus comprises U1 part, U2 part, U3 part and U4 part, and U1 part, U2 part, U3 part and U4 partly are interconnected to constitute the circuit of question-and-answer game apparatus; The U1 part is finished the processing of input signal and the output of control signal based on AT89S52; The U2 part is finished the prompting of sound based on hummer; The U3 part is finished racing to be the first to answer a question the demonstration of player's numbering based on the LED charactron; The U4 part is finished racing to be the first to answer a question the generation of signal based on key circuit; Physical circuit connects as follows:

Claims

1. based on the question-and-answer game apparatus of AT89S52 single-chip microcomputer, it is characterized in that: the circuit of this question-and-answer game apparatus comprises U1 part, U2 part, U3 part and U4 part, and U1 part, U2 part, U3 part and U4 partly are interconnected to constitute the circuit of question-and-answer game apparatus; The U1 part is finished the processing of input signal and the output of control signal based on AT89S52; The U2 part is finished the prompting of sound based on hummer; The U3 part is finished racing to be the first to answer a question the demonstration of player's numbering based on the LED charactron; The U4 part is finished racing to be the first to answer a question the generation of signal based on key circuit; Physical circuit connects as follows: