| 活塞式热量表检定系统研究 |
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| 引用本文： | 刘志辉,章圣意,毛谦敏.活塞式热量表检定系统研究[J].中国计量学院学报,2012,23(1):30-34. |
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| 作者姓名： | 刘志辉 章圣意 毛谦敏 |
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| 作者单位： | 1. 中国计量学院计量测试工程学院,浙江杭州,310018
2. 浙江苍南仪表厂,浙江苍南,325800 |
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| 摘 要： | 提出了一种基于活塞式体积管的新型热量表动态检定技术.阐述了热量表检定装置的工作原理,设计了一种以工控机为控制核心,在VC++环境下进行数据自动采集及过程控制,实现检定参数实时准确测试的高精度热量表检定系统,从理论上分析了影响热量表热水流量检测系统的不确定度因素.研究表明,相对于现有的以质量法结合标准表法的热量表检定方法,本方案能有效提高热量表检定效率和精度.
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| 关 键 词： | 热量表 活塞式体积管 动态检定 不确定度 |
Study on the piston verification system for heat meters |
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| LIU Zhi-hui
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ZHANG Sheng-yi
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MAO Qian-min.Study on the piston verification system for heat meters[J].Journal of China Jiliang University,2012,23(1):30-34. |
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| Authors: | LIU Zhi-hui ZHANG Sheng-yi MAO Qian-min |
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| Affiliation: | 1(1.College of Metrology and Measurement Engineering,China Jiliang University,Hangzhou 310018,China; 2.Zhejiang Cangnan Instrument Factory,Zhejiang Cangnan 325800,China) |
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| Abstract: | A dynamic verification technology based on piston provers was presented in this paper.The principle of the verification facilities for heat meter was described.And a high precision verification system for heat meter was designed,which completes automatic data acquisition and process control in the VC++ environment and exactly calibrates test parameters in real-time.Uncertainty factors that affect the standard test system for hot water flow-rate were analyzed.It is shown that this design can effectively improve the verification precision and efficiency of the heat meter,compared to the exising verification method for heat meters synthesizing the quality method and the standard table method. |
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| Keywords: | heat meter compact prover dynamic verification uncertainty |
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