高精度井下存储式压力计的设计  

Design of Downhole High Precision Storage Pressure Gauge

作　　者：黄梓瑜[1] 唐苏明[1] 陈刚[1] 

机构地区：[1]西南石油大学电气信息工程学院,四川成都610500

出　　处：《电子质量》2010年第12期39-40,46,共3页Electronics Quality

摘　　要：为测量油田井下的压力数据,设计了一种以PIC16F877单片机为核心的高精度井下存储式压力计。在设计中,采用两次采样A/D转换技术和I2C总线技术分别实现了测量结果的高准确度和大容量外部数据存储器;利用串口通信技术,实现了上位机和单片机之间的通信。In order to measure the pressure data in the oil and gas wells,a pressure gauge of high-precision and Storage type under the well is designed,which uses the PIC16F877 microcontroller as the core.In the design,double sampling A/D conversion technology and I2C bus technology are adopted,which achieve the high-precision of measuring data and large capacity of external data storage respectively.Using serial communication technology realizes the communication between computer and SCM.

关 键 词：高精度 A/D转换 数据存储 串口通信 

分 类 号：TE937[石油与天然气工程—石油机械设备]