| 西瓜成熟度无损检测系统的设计 |
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| 引用本文： | 张福军,衣淑娟,刘坤.西瓜成熟度无损检测系统的设计[J].农机化研究,2011,33(11). |
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| 作者姓名： | 张福军 衣淑娟 刘坤 |
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| 作者单位： | 黑龙江八一农垦大学信息技术学院,黑龙江大庆,163319 |
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| 基金项目： | 黑龙江农垦总局科技计划项目(HNK10A-07-01-05) |
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| 摘 要： | 针对如何方便、快速、准确地判断出西瓜成熟度的问题,设计了西瓜成熟度无损检测系统。该系统以ADXL50加速度计与C8051F310单片机为核心,对西瓜敲击振动的固有频率进行采集和计算,能够实现西瓜成熟度、质量、固有频率、振动波形的显示。该系统主要由频率采集电路、键盘电路和显示电路组成。实验结果表明:当西瓜受到外界敲击时,检测出来的固有频率与西瓜的含糖量成正比。系统硬件设计合理,为便携式西瓜成熟检测仪的广泛应用提供了技术支持。
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| 关 键 词： | 成熟度 无损检测 加速度计 单片机 |
Design of Nondestructive Testing System of the Watermel on Maturity |
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| Zhang Fujun,Yi Shujuan,Liu Kun.Design of Nondestructive Testing System of the Watermel on Maturity[J].Journal of Agricultural Mechanization Research,2011,33(11). |
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| Authors: | Zhang Fujun Yi Shujuan Liu Kun |
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| Institution: | Zhang Fujun,Yi Shujuan,Liu Kun (College of Information Technology,Heilongjiang August First Land Reclamation Agricultural University,Daqing 163319,China) |
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| Abstract: | For how convenient,fast and accurate to judge the watermelon maturity,watermelon maturity nondestructive testing system is designed.This system regards ADXL50 accelerometer and C8051F310 MCU as the core,through vibration natural frequency of knocking watermel to collect and calculate.The system can realize watermelon maturity,the quality and the inherent frequency and vibration waveform display.The system consists of frequency sampling circuit,keyboard circuit and display circuit.Experimental results show t... |
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| Keywords: | watermelon maturity nondestructive testing accelerometer MCU |
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