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阐述了采用应变式不锈钢膜片设计智能测井流速传感器的原理、结构设计、信号放大电路、电压／频率变换电路、电源载波调制电路的设计原理和工作特点，提出了一套智能化油井注入液体流速检测方案。实验结果表明，该技术方案可行，并展望了在石油生产中的应用和发展前景。
The principle, structural design, signal amplifying circuit, voltage / frequency conversion circuit and power carrier modulation circuit design principles and working characteristics of the smart logging velocity sensor are described by adopting a strain stainless steel diaphragm. An intelligent oil well injection liquid Flow rate testing program. The experimental results show that the technical scheme is feasible, and the application and development prospect in petroleum production are prospected.