热流计校准装置测量控制系统的建立  

Establishment of a control system of calibration device for heat flow meter

作　　者：杨家健[1,2] 原遵东[1] 韩蕊 王景辉[1] 柏成玉[1] 卢小丰[1] 

机构地区：[1]中国计量科学研究院,北京100013 [2]北京化工大学控制科学与工程,北京100029 [3]中国石油集团工程设计有限责任公司北京分公司,北京100085

出　　处：《电子测量与仪器学报》2011年第7期620-625,共6页Journal of Electronic Measurement and Instrumentation

摘　　要：对采用绝对法的检零式箔加热热流源进行了改进,建立了校准热阻式热流计的整套新控制装置。采用PID调节实现主加热器与辅助加热器之间绝热面的零热流控制,基于LabVIEW软件平台实现整个装置的自动化控制、数据采集及处理。对检零热流计的热损失进行了实验评价和修正。校准结果因控制系统引起的标准不确定度优于1%。The old calibration device,an absolute heat flow source with a foil heater,to calibrate heat flow meters was improved.A new control system of the calibration device was set up.PID controller is used to realize the heat flow tracking control in adiabatic surface between main heater and auxiliary The unit＇s automation control,data acquisition and processing are designed based on LabVIEW.Heat loss of the zero-check-heat flow meter is evaluated and revised.Stan-dard uncertainty of the Calibration result is less than 1%,due to the optimization of the control system within calibration device.

关 键 词：热流计 校准 PID 

分 类 号：TP2[自动化与计算机技术—检测技术与自动化装置]