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首页> 外文期刊>IEEE sensors journal >Study of an Electro-Optic Technique of Level Transmitter Using Mach-Zehnder Interferometer and Float as Primary Sensing Elements
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Study of an Electro-Optic Technique of Level Transmitter Using Mach-Zehnder Interferometer and Float as Primary Sensing Elements

机译：以马赫曾德尔干涉仪和浮子为主要传感元件的液位变送器电光技术研究

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Measurement of liquid level in a storage tank using float is one of the important, simplest and cheapest method. However, the main drawback of this sensor is its inability to transmit the reading. Costlier and complicated designs are developed to transmit the float position to a remote station like control room. Direct transmission of electrical signal through connecting wires is generally prohibited in the inflammable region. In this paper, a very simple electro-optic system has been developed to transmit the electrical signal output of the transducer to a remote location using Mach–Zehnder interferometer. The necessary equations describing the principle of operation of the proposed transmitter are derived and presented in this paper. The operation of the transmitter is experimentally tested, and the experimental results are reported in this paper. A very good linearity and repeatability of the transducer and transmitter characteristics have been observed.
机译：使用浮子测量储罐中的液位是重要，最简单和最便宜的方法之一。但是，该传感器的主要缺点是无法传输读数。开发了更昂贵和复杂的设计，以将浮动位置传输到远程站，例如控制室。在易燃区域，通常禁止通过连接线直接传输电信号。在本文中，已经开发了一种非常简单的电光系统，可以使用Mach–Zehnder干涉仪将传感器的电信号输出传输到远程位置。推导并提出了描述拟议的发射机工作原理的必要方程式。发射机的工作进行了实验测试，并在本文中报告了实验结果。已经观察到换能器和发射器特性的非常好的线性和可重复性。

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