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農(nóng)產(chǎn)品貯藏設(shè)施溫控儀表溫度漂移控制方法
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the Temperature-controlled Instrument for the Farm Products Storage
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    摘要:

    選擇3種具有代表性的貯藏設(shè)施通用溫控儀表,，檢測(cè)其溫度漂移幅度和方向,。根據(jù)儀表電路原理并結(jié)合測(cè)試,，進(jìn)行了針對(duì)性電路改進(jìn),，使溫控儀表溫漂誤差幅度由3.5℃下降到0.3℃,，貯藏環(huán)境溫度波動(dòng)幅度由5.3℃下降到1.4℃,。試驗(yàn)篩選出3種簡(jiǎn)易溫度補(bǔ)償法,，可在不改造儀表電路的前提下抑制溫漂,。

    Abstract:

    Three typical farm products storage systems were adopted to detect the temperature drifts respectively. The cell circuit was improved according to the designing principal of the instrument electrocircuit. As the results, the error of the storage temperature was dramatically reduced from 3.5℃ to 0. 3℃ and the cold storage temperature fluctuations decreased from 5.3℃ to 1.4℃. Besides, three simple temperature compensation methods were also selected. These methods were applicable to those places which were unsuitable for the instrument circuit improvement.

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張道輝,趙紅軍,周廣芳,宗曉娟,沈廣寧,劉慶忠.農(nóng)產(chǎn)品貯藏設(shè)施溫控儀表溫度漂移控制方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(6):108-112. the Temperature-controlled Instrument for the Farm Products Storage[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(6):108-112.

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