水表机电转换误差的自动化测试方法  

Automatic test method for electromechanical conversion error of water meter

作　　者：陈洁琼 王华强 江航成 何隽 吴国伟 CHEN Jie-qiong;WANG Hua-qiang;JIANG Hang-cheng;HE Jun;WU Guo-wei(Zhejiang Electromechanical Vocational and Technical College,Hangzhou 310053,China;Hangzhou Xiaoshan District Quality Measurement and Monitoring Center,Hangzhou 310018,China;Goldcard Smart Group Co.,Ltd.,Hangzhou 310018,China)

机构地区：[1]浙江机电职业技术学院,浙江杭州310053 [2]杭州市萧山区质量计量监测中心,浙江杭州310018 [3]金卡智能集团股份有限公司,浙江杭州310018

出　　处：《机电工程》2023年第3期468-474,共7页Journal of Mechanical & Electrical Engineering

基　　金：浙江省市场监管局科研项目(ZC2021B054)。

摘　　要：当前,传统的水表人工读数方式存在效率低下、数据处理繁复等问题,为此,提出了一种水表机电转换误差的自动化测试方法。首先,对智能水表组成结构进行了分析,整合了图像识别机械计数器与近红外通信读取电子计数器的机电转换的原理、机电转换误差装置的机械计数以及电子计数的误差测试原理;然后,设置了转换装置的组成结构,并设计了机电误差试验流程,以2级LXS-DN15无线远传水表为对象,对质量法水表检定装置进行了试验;最后,为了对上述检测方法的有效性进行验证,设置了试验,进行了具体的测试。研究结果表明:与原检测方法的检测时间相比,采用笔者所提方法的检测效率提升38%,可实现自动化测试水表机电转换误差的目标;该项可与示值误差一起测试完成,测试结果满足检定要求。该测试方法将静态法与动态法有效结合,可实现快速、高效、准确的自动化水表检定。Aiming at the problems of low efficiency and complicated data processing in the current manual reading method,an automatic test method for electromechanical conversion errors of smart water meters was proposed.Firstly,the structure of the intelligent water meter was analyzed,the principle of electromechanical conversion between the image recognition mechanical counter and the near-infrared communication reading electronic counter,the mechanical counting of the electromechanical conversion error device and the error test principle of the electronic counting were proposed.Then,the composition structure of the conversion device and the electromechanical error test flow were designed.Taking the 2-level lXS-DN15 wireless remote water meter as the object,the quality method water meter verification device was tested.Finally,in order to verify the validity of the above detection method,a specific test was set up and tested.The research results show that the efficiency of the test method can be increased by 38%compared with the original test method.It can realize the automatic measurement of the electromechanical conversion error of the water meter.This item can be tested together with indication error,and the test results meet the verification requirements.This test method effectively combines the static method with the dynamic method,and can realize rapid,efficient,and accurate automatic water meter verification.

关 键 词：智能水表 机械水表 水表检定 检测效率 电子计数器 近红外通信 

分 类 号：TH814.2[机械工程—仪器科学与技术]