河北大学学报(自然科学版) ›› 2019, Vol. 39 ›› Issue (5): 459-465.DOI: 10.3969/j.issn.1000-1565.2019.05.003

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钟罩标准容积测量方法的研究

刘辰魁,屈宏强,陈世砚,牛立娜,邢静芳   

  • 收稿日期:2019-01-27 出版日期:2019-09-25 发布日期:2019-09-25
  • 通讯作者: 牛立娜(1986—),女,河北石家庄人,河北省计量监督检测研究院工程师,主要从事流量计量检测工作.E-mail:niuniu_0521@126.com
  • 作者简介:刘辰魁(1966—),男,河北石家庄人,河北省计量监督检测研究院高级工程师,主要从事流量容量计量检测工作. E-mail:liuchenkui@sina.com
  • 基金资助:
    河北省科技计划专项工作类项目(13251708D);河北省科研院所奖励性后补助项目(15256230H)

Measurement method of the standard volume of bell provers

LIU Chenkui, QU Hongqiang, CHEN Shiyan, NIU Lina, XING Jingfang   

  1. Instiute of Thermal Engineering and Energy Metrology, Institute of Metrology of Hebei Province, Shijiazhuang 050000, China
  • Received:2019-01-27 Online:2019-09-25 Published:2019-09-25

摘要: 为精确测量大容积、高准确度钟罩装置罩体标准容积,在参考检定规程和国内外新型钟罩标准容积测量方法的基础上,选定尺寸测量法和工业数字摄影测量法为研究手段.通过构建数学模型、收集试验数据、进行比对分析,证明工业数字摄影测量技术可以满足溯源要求,并且该方法具有自动化程度高、细分能力强、测量准确度高,能够有效还原罩体内腔几何形状,为后续钟罩装置任意点启停计量研究提供了可能性.

关键词: 钟罩装置, 标准容积, 尺寸测量法, 工业数字摄影测量技术

Abstract: In order to accurately measure the standard volume of large volume and high accuracy bell provers, the measurement methods of dimension and industrial digital photogrammetry are selected as the research method on the basis of reference verification regulation and new standard volume measurement methods at worldwide.Through building mathematical model, collecting test datas and comparing analysis, it is proved that industrial digital photogrammetry technology can meet the requirement of traceability, and the method has high automation degree, high measurement accuracy and high subdivision degree, and can construct the geometry of the inner cavity effectively, which provides the possibility for the follow-up study of start and stop measurement at any point of bell provers.

Key words: bell provers, standard volume, the measurement method of dimension, the measurement method of industrial digital photogrammetry

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