差压式流量测量系统  

A differential pressure system for flow measurement

作　　者：邱栋梁[1] 孙传友[1] 

机构地区：[1]长江大学江汉石油学院

出　　处：《石油仪器》2005年第2期53-55,91,共3页Petroleum Instruments

摘　　要：文章提出了差压流量测量系统方案,重点介绍了差压式流量测量系统的各个组成部分,对将流量Q转换为与之成线形关系的数字输出也进行了详细的公式推导。该系统结构简单,对测量出流体的流量有着方便、可靠性高、测量精度准确的特点,可广泛应用于多种领域的流量测量。The different pressure system for flow measurement is a kind of system which utilizes different pressure principle to measure flow. This paper introduces some components of the measuring system,and derives the formulate changing flow Q into the line shape relation digital output in detail. The system is very convenient to measure flow.

关 键 词：节流式流量计 电容式差压传感器 变压器电桥 AD736 开方器 MC14433 LED 

分 类 号：TE151[石油与天然气工程—油气勘探]