菜单
　　

    摘 要：针对目前市场上的一些电子记分牌不能准确计时、功耗较大、需市电供电导致的便携性现场性较差、不能自动准确判断裁判哨音以及无遥控、断电保护、数据上传等缺点，设计了一款低功耗、计时准确、能智能检测裁判哨声的无线遥控记分牌。采用了PSoC3作为整个系统的控制核心，从而简化了系统硬件电路，降低了系统功耗，提高了便携性；并设计了哨声检测电路，实现对篮球比赛现场裁判哨声的检测；应用无线遥控实现对比赛时间、24s倒计时以及双方得分的实时记录；采用了温度传感器模块，实现对比赛现场温度显示；采用RS—232总线接口，实现对比赛时间、比分的上传；并且实现了掉电保护等功能。54390

    经现场测试，功能完善，效果良好。

    毕业论文关键词：记分牌,PSoC3,哨声检测

    Abstract：Aiming at some of the electronic score boards which still have many problems on the market at present , such as not being accurately timed, large power consumption, poor portability at the scene due to requirement for electricity supply from City Electric Supply Authority, disability to determine the referees’ whistle precisely automatically, the shortcomings of remote control, power protection, data preservation and so on, a low-power, time-accurate wireless remote control scoreboard which can intelligently detect referee’s whistle has been designed. The work uses PSoC3 as the core of the whole control system, which simplifies the system’s hardware circuits and reduces its power consumption, and a battery has been used to improve its portability. Besides it uses Voltage Comparator to make the test of basketball referees’ whistle possible. Meanwhile, the wireless remote control makes the record of the game time, 24s countdown, as well as the real-time score a realization. What’s more, temperature sensor  helps show the temperature at the scene; and RS-232 total line interface has been used to realize the upload of the time and score as well as the protection for power down. Field-tested, fully functional, with good results.

    Keywords： Score Board, PSoC3,Whistle Detection

    目   录

    1  前言 4

    1.1 背景 4

    1.2 意义 4

    2  系统总体设计 4

    2.1 系统总体设计结构框图及工作原理 4

    2.2 系统实现功能 5

    3  元器件介绍 5

    3.1 PSOC介绍 5

    3.2 电平转换器KA7805简介 6

    3.3 稳压芯片TPS70302PWP简介 7

    3.4 电压比较器模块 9

    3.5 温度传感器模块 9

       3.6 △- ADC模块 10

    4  硬件电路设计 11

       4.1 电平转换电路 11

       4.2 哨声检测电路 12

       4.3 温度检测电路 13

       4.4 显示电路 14

    5  软件程序设计 14

    5.1 开发软件介绍 14

    5.2 软件实现功能 15

    5.3 程序设计流程图 15

    5.3.1 程序设计总流程图

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