| 电容法猪肉含水率快速检测的研究 |
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| 引用本文： | 张文昭,刘志壮,周文真.电容法猪肉含水率快速检测的研究[J].农业工程学报,2012,28(20):272-275. |
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| 作者姓名： | 张文昭 刘志壮 周文真 |
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| 作者单位： | 1. 湖南科技学院电子研究所,永州 425100
2. 华南农业大学/南方农业机械与装备关键技术重点实验室,广州 510642 |
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| 基金项目： | 2009年湖南省科技计划项目（2009GK3037）;2010年湖南省教育厅项目(10C0742);湖南科技学院"电路与系统"重点学科建设项目资助。 |
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| 摘 要： | 猪肉的含水率检测对猪肉市场管理、贮藏和加工有很大的意义。为快速检测猪肉含水率,采用电容法设计并制作单一平面电容传感器探头和硬件电路,采用干燥法制作标准含水率样品,对传感器进行标定与验证试验。试验结果表明,利用电容法可以快速检测猪肉的含水率,含水率在60%～76.4%,测量误差±1.2%以内。温度特性试验表明猪肉的介电常数受温度影响很小,在常温范围内温度影响可以忽略。该研究可为猪肉市场管理、贮藏和加工提供参考。
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| 关 键 词： | 肉 电容测定 含水率 单一平面电容 |
| 收稿时间： | 2012/1/17 0:00:00 |
| 修稿时间： | 2012/4/11 0:00:00 |
Quick detection of water content for pork by capacitance method |
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| Zhang Wenzhao,Liu Zhizhuang,and Zhou Wenzhen.Quick detection of water content for pork by capacitance method[J].Transactions of the Chinese Society of Agricultural Engineering,2012,28(20):272-275. |
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| Authors: | Zhang Wenzhao Liu Zhizhuang and Zhou Wenzhen |
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| Institution: | 1 (1. Electronics Research Institute, Hunan University of Science and Engineering, Yongzhou 425100, China; 2. Key Laboratory of Key Technology on Agricultural Machine and Equipment, South China Agricultural University, Guangzhou 510642, China) |
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| Abstract: | Determination of pork moisture content is of great significance to pork market management, storage and processing. To quickly detect pork moisture content, a uniplanar capacitance sensor probe with hardware circuit was designed using capacitance detection method in this study. The standard moisture samples were prepared by oven drying method. The calibration experimental results showed that the proposed method can determine pork moisture content quickly for moisture contents were in the range of 60%-76.4% with less than ±1.2% error. The temperature experiments showed that the pork dielectric constant was slightly affected by temperature. The effect of temperature can be neglected within the normal temperature. |
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| Keywords: | meats capacitance measurement water content uniplanar capacitance |
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