超声水表新技术的研究与探索  

Research and Exploration of New Technologies for Ultrasonic Water Meters

作　　者：姚灵 王欣欣 钱景笙 YAO Ling;WANG Xinxin;QIAN Jingsheng(Ningbo Water Meter(Group)Co.,Ltd.,Ningbo 315032,China;Shanghai Building Materials Industry Design and Research Institute,Shanghai 200041,China)

机构地区：[1]宁波水表(集团)股份有限公司,浙江宁波315032 [2]上海建材工业设计研究院,上海200041

出　　处：《仪表技术》2024年第3期42-46,共5页Instrumentation Technology

摘　　要：超声水表正在大面积进入供水计量领域,如何进一步提高超声水表的性能水平至关重要。提出了由组合式(阵列式)换能器组成的对射式声道结构方案,包括计时芯片筛选、分挡与配对方案以及水表测量管关键几何尺寸的自诊断与自修正方法,旨在提升超声水表的测量稳定性和可靠性。Ultrasonic water meters are entering the field of water supply metering on a large scale.How to further improve the performance level of ultrasonic water meters is crucial.A counter acoustic channel structure scheme consisting of a combination(array)transducer is proposed,including timing chip screening,grading and pairing schemes,as well as self-diagnosis and self-correction methods for key geometric dimensions of water meter measuring tubes,aiming to improve the measurement stability and reliability of ultrasonic water meters.

关 键 词：电子水表 超声水表 超声压电换能器 零流量输出 

分 类 号：TH814[机械工程—仪器科学与技术]