基于时差法的三维高精度超声波风速测量  

Three dimensional high-precision ultrasonic wind speed measurement based on time difference method

作　　者：王浩然 胡莎 李卫东[1] 邢海洋 朱研嘉 卢灵雨 王起良 WANG Haoran;HU Sha;LI Weidong;XING Haiyang;ZHU Yanjia;LU Lingyu;WANG Qiliang(Henan University of Technology,ZhengZhou 464000,China)

机构地区：[1]河南工业大学,郑州464000

出　　处：《自动化与仪器仪表》2025年第3期54-57,61,共5页Automation & Instrumentation

基　　金：2023年国家级大学生创新创业训练计划项目(202310463053)。

摘　　要：本研究利用超声波在介质中传播的特性进行风速测量,解决了风速测量中存在的精度不高、适应性不强等问题。首先设计了基于STM32主控芯片电路的三维测风装置,通过时差法矢量合成的方法进行测算,提高了测量效率。进而,采用正方形四角测量方法改良了测风结构,提高了结构稳定性,减少了干扰因素。最后,通过与风轮式电子风速仪对比,验证了测量精度。根据对比结果,可以认为该装置的架构和精度达到一定水平,并且适用范围广泛。This study utilises the characteristics of ultrasonic wave propagation in the medium to measure wind speed,solving the problems of low accuracy and adaptability.A three-dimensional wind measurement device based on an STM32 main control chip circuit is designed,and wind speed is measured using the vector synthesis of time difference method,improving measurement efficiency.The wind measurement structure is enhanced by utilising the square four-corner measurement method,which improves its stability and reduces interference factors.Additionally,the measurement accuracy is verified by comparing it with the wind wheel type electronic anemometer.Based on the comparison results,it can be concluded that the device's architecture and accuracy have reached a certain level and have a wide range of applications.

关 键 词：时差法 三维 超声波 风速 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]