| 电容式传感器测量电路设计 |
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| 引用本文： | 王松林,鲁高奇.电容式传感器测量电路设计[J].电子质量,2011(1):29-30,36. |
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| 作者姓名： | 王松林 鲁高奇 |
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| 作者单位： | 洛阳师范学院; |
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| 摘 要： | 为适应多种电容式传感器的测量需求,设计一种基于单片机的电容测量电路,采用电容充放电方法,以高速单片机精确计时充电时间,根据电路参数计算电容容值.电路应用灵活,可根据电容大小调整电路参数,测量范围较大.
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| 关 键 词： | 电容式传感器 单片机 检测电路 |
Design of Detecting-circuit for Capacitive Transducer |
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| Wang Song-lin,Lu Gao-qi.Design of Detecting-circuit for Capacitive Transducer[J].Electronics Quality,2011(1):29-30,36. |
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| Authors: | Wang Song-lin Lu Gao-qi |
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| Institution: | Wang Song-lin,Lu Gao-qi(Luoyang normal college,Henan Luoyang 471022) |
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| Abstract: | To adapt the measuring of various kinds of capacitive transducer.A capacitance detecting-circuit based on MCU is designed in this paper,which adopt the charging and discharging method of capacitors,high-speed MCU is used to exacting the time,and the capacitance values can be calculated by these circuit parameters.This kind of circuit is so flexible that the capacitor's size can be adjusted according to the circuit, thus it has large detecting- range. |
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| Keywords: | capacitive transducer MCU detecting-circuit |
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