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本文介绍了应用多谐振荡器来工作的微位移—频率转换器的工作原理及数学推导;介绍了与此转换器的应用相关的压力—微位移转换器及频率—电压转换器,这些转换器的组合使用使微位移—频率转换器得到广泛的应用。本文还介绍了基于该原理研制成的一种压力—电压转换器。这些简单、廉价的转换器可用于测量0.01μ的微位移和10~(-4)kgf/cm~2的压力。也可用于测量变化速度很快的压力。
This paper introduces the working principle and mathematical derivation of the micro-displacement-to-frequency converter working with multivibrator. The pressure-to-micro-displacement converter and frequency-to-voltage converter related to the application of this converter are introduced. These converters The combined use of micro-displacement - frequency converter is widely used. This paper also introduced a pressure-to-voltage converter developed based on this principle. These simple, inexpensive transducers can be used to measure 0.01μ micro-displacement and 10 ~ (-4) kgf / cm ~ 2 pressure. It can also be used to measure pressures that change rapidly.