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《中国工程科学》 >> 2013年 第15卷 第1期

油气田监测高性能微传感器及数字化系统

1. 西安交通大学机械工程学院,西安 710049;

2. 西安交通大学机械制造系统工程国家重点实验室,西安 710049

资助项目 :国家高技术研究发展计划“863”项目(2011AA040401) 收稿日期: 2012-10-10 发布日期: 2013-01-14 15:42:09.000

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摘要

针对油气田特殊环境要求,介绍了一种高温高压传感器芯片的设计及加工制造方法,并研发了相关的高性能数字变送系统。所设计的高温高压传感器芯片解决了传统压阻式传感器在高温高压环境下的热稳定性问题,通过数字补偿技术进一步提升了其系统的线性度与精度,并针对油气田监测环境扩展了其相关外围设备。同时,为了适应油气田管监测理要求,设计了相关无线传感网络,以确保其工业生产的高效运行和有效控制。通过具体实验测试数据,验证了该油气田监测高性能微传感器及数字化系统的高精度及高可靠性,该系统的精度达到0.2 % FS及以上,达到世界先进水平,对国内的石化工业发展有着非常重要的意义。

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