超声波流量计的时差法研究及单片机应用详解

f fluid flow is called a flowmeter or flow meter, which is one of the important instruments in industrial measurement. Compared with traditional flowmeters, ultrasonic flowmeters have many advantages and are an ideal energy-saving flowmeter. In this design, based on a large amount of literature review, the time difference ultrasonic flowmeter was chosen as the research object, and an in-depth theoretical study was conducted on how to improve the accuracy, stability, and reliability of the system. The following detailed research was mainly carried out: 1. The measurement principle of the time difference ultrasonic flowmeter was studied, and an in-depth study was conducted on the properties of ultrasonic waves in fluids, the characteristics of ultrasonic transducers, and the selection of installation. 2. In terms of improving measurement accuracy, a new method of ultrasonic time difference measurement - the multi-pulse measurement method was discussed and adopted. 3. Detailed design and analysis of the hardware circuit and software programming of the flowmeter were carried out. Keywords: ultrasonic flowmeter; Monolithic integrated circuit; ultrasonic transducer; time difference method; multi-pulse measurement method. Overall, this design of an ultrasonic flowmeter based on Monolithic integrated circuit focuses on enhancing the accuracy, stability, and reliability of the system through in-depth theoretical research and innovative measurement methods. With the advantages of ultrasonic flowmeters, this design aims to contribute to the development of energy-efficient flow measurement instruments in industrial applications. The detailed design and analysis of the hardware circuit and software programming provide a solid foundation for the implementation of the flowmeter. This design serves as a valuable resource for researchers and engineers in the field of flow measurement and instrumentation.