| 一种基于电容传感器的液体密度测量电路的设计 |
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| 引用本文： | 刘竹琴,白泽生. 一种基于电容传感器的液体密度测量电路的设计[J]. 大学物理, 2009, 28(2) |
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| 作者姓名： | 刘竹琴 白泽生 |
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| 作者单位： | 延安大学,物理与电子信息学院,陕西,延安,716000 |
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| 基金项目： | 陕西省教育厅专项科研计划，延安大学科研计划重点项目 |
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| 摘 要： | 设计了一种基于电容传感器的液体密度测量电路,介绍了设计思想和各部分的工作原理,给出了总的测量电路图.利用本电路测量相对误差在0.5%以内,具有测量准确度高、测量速度快、数字显示直读、使用简单的特点.
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| 关 键 词： | 电容式传感器 液体密度 测量电路 设计 |
A design for liquid density measurement circuit based on the capacitance sensor |
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| LIU Zhu-qin,BAI Ze-sheng. A design for liquid density measurement circuit based on the capacitance sensor[J]. College Physics, 2009, 28(2) |
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| Authors: | LIU Zhu-qin BAI Ze-sheng |
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| Affiliation: | College of Physics and Electronics Information;Yanan University;Yanan;Shaanxi 716000;China |
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| Abstract: | A sensor-based liquid density measurement circuit is designed in this paper,the design concept and part of the working principle are introduced,and the circuit diagram is given.The relative error of the measurement circuit is less than 0.5%,and the present circuit has high accuracy and fast speed of measurement.The figures can be read directly and used simply. |
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| Keywords: | capacitive sensor liquid density measurement circuit design |
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