基于TMS320F28335的超声多普勒流量计  

Ultrasonic Doppler Flowmeter Based on TMS320F28335

作　　者：水永辉[1] 刘艳萍[1] 赵连环 王庆山 

机构地区：[1]河北工业大学信息工程学院,天津300401 [2]唐山世佳电子有限公司,河北唐山063020

出　　处：《仪表技术与传感器》2012年第7期24-25,共2页Instrument Technique and Sensor

摘　　要：针对当前超声波多普勒流量计电路设计复杂的现状,以TMS320F28335作为核心控制芯片,采用连续波超声多普勒测量方法,设计管道流量测量系统。给出详细的系统设计框图,对利用软件实现差频信号的解调的可行性进行了分析,给出软件设计流程图。结果表明;该设计能简化系统硬件设计,同时具有较高的动态响应能力和测量精度。Based on continuous-wave ultrasonic Doppler method,a pipe-flow measurements system,using TMS320F28335 as the core control chip,was designed to simplify the circuit of current ultrasonic Doppler flowmeter.A detailed block diagram of the system design was given.The feasibility of difference frequency signal demodulation through software was analyzed,and the software design flow chart was presented.The results show that the development can greatly simplify the hardware design,and also has a high dynamic response and accuracy.

关 键 词：流量计 超声多普勒 频谱分析 TMS320F28335 

分 类 号：TP332.1[自动化与计算机技术—计算机系统结构]