我们利用低损耗石英光纤,设计研制了流量计信号远距离传输计算机检测控制应用系统,该系统的工作原理简介如下: 涡轮流量计的脉冲电信号驱动发光二极管,把电信号调制转换成光信号,经低损石英光纤传输至光敏管(光探测器),经电路放大器,再使信号复位变成电信号,由计算机 We use low-loss quartz fiber, design and development of long-distance flowmeter signal transmission control computer detection and control applications, the system’s operating principle is as follows: Turbine flow meter pulse signal driven light-emitting diodes, the electrical signal modulation into optical signals, Low-loss quartz fiber optic transmission to the photosensitive tube (photodetector), the circuit amplifier, and then reset the signal into an electrical signal by the computer