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基于AVR單片機的害蟲耐熱性試驗裝置設計
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國家自然科學基金資助項目（31171720）、中央高?；究蒲袠I(yè)務費專項基金資助項目（QN2009043）和楊凌現(xiàn)代農(nóng)業(yè)國際研究院科研培育資助項目


Testing Equipment Design of Thermal Resistant Characteristics for Pests Based on AVR Single-chip Microcomputer
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    摘要:

    掌握農(nóng)產(chǎn)品目標害蟲的耐熱性對于確定熱處理殺蟲方法中熱處理溫度和時間非常重要，為此設計了一套加熱殺蟲過程中控制加熱速度和加熱溫度的試驗裝置。以AVR Atmega16單片機為控制器，Pt100為溫度傳感器，采用脈寬調制原理設計了害蟲耐熱性試驗裝置的溫度檢測和控制電路；利用單片機C語言設計了下位機控制程序，利用VB語言設計了上位機監(jiān)控軟件（包含數(shù)據(jù)輸出功能）。系統(tǒng)測試結果表明，10~70℃范圍內的溫度檢測精度為0.2℃，溫度控制精度為0.1℃，加熱速度可在0~15℃/min范圍內任意設定。

    Abstract:

    The thermal resistant characteristics of pests in agricultural products are important to determine the lethal temperature and time for thermal disinfestation methods. Therefore, a set of research system was designed and built to obtain the given heating rate and temperature required by thermal controls of pests. The temperature detection and control circuits were mainly developed by using AVR Atmega16 single chip microcomputer (SCM) as controller, Pt100 as temperature sensor, and pulse width modulation as temperature control method. The C language and VB software were used to control SCM procedure and personal computer monitoring/data acquisition, respectively. The running results showed that the temperature measurement and control accuracy was 0.2℃ and 0.1℃ for heating up to 10~70℃. The heating rate could be achieved over the range of 0~15℃/min.

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郭文川,楊沉陳,趙志翔,李群卓,王紹金.基于AVR單片機的害蟲耐熱性試驗裝置設計[J].農(nóng)業(yè)機械學報,2012,43(6):183-187. Guo Wenchuan, Yang Chenchen, Zhao Zhixiang, Li Qunzhuo, Wang Shaojin. Testing Equipment Design of Thermal Resistant Characteristics for Pests Based on AVR Single-chip Microcomputer[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(6):183-187.

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  • 在線發(fā)布日期: 2012-06-19
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