| 转矩/功率标准装置的研制及应用 |
| Development and Application of Torque / Power Standard Device |
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| 中文摘要: |
| 转矩转速测量仪常用于发动机等设备的机械功率测量中,其测量的技术参数主要包括转矩、转速和功率。当前转矩转速测量仪的校准大多采用静态扭矩和转速分别校准的方法,与使用状态存在较大偏离。文中介绍了一种用于对转矩转速测量仪进行多参数同步校准的转矩/功率标准装置,并对其总体机械结构、转矩发生系统的设计原理以及转矩测量模型的建立和测量不确定度影响因素等重要内容进行了介绍。影响因素分析和试验验证结果表明,装置复现转矩量值的测量不确定度不超过0.2%。采用本装置对多种类型的转矩转速测量仪进行了校准,应用结果表明,该装置可以实现在旋转状态下施加标准转矩的功能,达到了预期的技术指标,可为该类测量仪器在接近于工作状态的方式下进行多参数同步溯源提供技术手段。 |
| 英文摘要: |
| Tacho-Torque measuring instruments are often used in the measurement of mechanical power of engines and other equipment. The measured technical parameters include torque, speed and power. Currently, the calibration of torque and speed measuring instruments mostly use the method of calibrating static torque and speed seprartely, which deviates greatly from the state of use. This paper introduces a torque / power standard device for multi-parameter synchronous calibration of a tacho-torque and power measuring devices. The overall mechanical structure, the design principle of standard torque generation system, the establishment of torque measurement model and the influence factors of measurement uncertainty are introduced. Through influencing factor analysis and experimental verification, it is concluded that the measurement uncertainty of the device’s recurrence value is less than 0. 2% . The device is used to calibrate various types of tacho-torque measuring instruments, and the results show that the device can achieve the function of applying the standard torque in the rotating state, and achieve the expected technical indicators, It can provide a technical means for the multi parameter synchronous traceability of this type of measuring instruments in the way close to the working state. |
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| 中文关键词: 转矩转速测量仪 机械功率 转矩 多参数同步校准 不确定度 |
| 英文关键词:tacho-torque measuring instrument mechanical power rotational torque multi parameter synchronous calibration measurement uncertainty |
| 基金项目: |
| DOI：10.11823/j.issn.1674-5795.2021.02.13 |
| 引用本文：秦海峰, 王磊, 王晶露.转矩/功率标准装置的研制及应用[J].计测技术,2021,(2):. |
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