|本期目录/Table of Contents|

[1]孙智超,孙 炯,查美生.加热式差分热电阻水位传感器的研制与试验[J].工业仪表与自动化装置,2017,(03):58-61.
　SUN Zhichao,SUN Jiong,ZHA Meisheng.Development and test of the thermal differential RTD water level sensor[J].Industrial Instrumentation & Automation,2017,(03):58-61.
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加热式差分热电阻水位传感器的研制与试验

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2017年03期
页码:
58-61
栏目:
出版日期:
2017-06-15

文章信息/Info

Title:
Development and test of the thermal differential RTD water level sensor
文章编号:
1000-0682（2017）03-0000-00
作者:
孙智超1; 孙 炯1; 查美生2
(1.宁波奥崎自动化仪表设备有限公司，浙江 宁波315020；2.清华大学 核能技术设计研究院，北京102201)
Author(s):
SUN Zhichao1; SUN Jiong1; ZHA Meisheng2
( 1.Ningbo Auqi Auto-instrument Equipment Co.，Ltd，Zhejiang Ningbo 315020，China;2.Institute of Nuclear Energy Technology，Tsinghua University，Beijing 102201，China)
关键词:
水位传感器; 热电阻; 热式差分热电阻
Keywords:
water level sensor;  RTD;  thermal differential RTD
分类号:
TP212
DOI:
-
文献标志码:
A
摘要:
加热式差分热电阻水位传感器由加热热电阻和不加热热电阻构成，可连续测量水位。理论分析表明水位与差分热电阻ΔRt呈线性关系。水位传感器没有运动部件，热式原理直接敏感水位，测量精度高，工作安全可靠和寿命长。试验结果表明，传感器的测量精度可达±1.5%～±2.0 %，该水位传感器尤其适用于核场或其他高可靠应用的场合。
Abstract:
The thermal differential RTD water level sensor which can measure the water level in continuity is made of one heated RTD and one un-heat RTD. The theoretical analysis shows that the relationship between the water level and the differential RTD ΔRt is linear. There is no moving element in the sensor. The water level is measured by the thermal principle, so it has advantages of high measuring accuracy, working safety reliability and long work life. The test results show that the measuring accuracy of the sensor can reach ±1.5%～±2.0%. This type of water level sensor is especially suitable for nuclear or for other high-reliability applications.

参考文献/References:

[1] 吕祟德.热工参数测量与处理[M].北京:清华大学出版社，1988. [2] 杨世铭，陶文铨.传热学[M].4版.北京:高等教育出版社，2006. [3] 徐蓓娜.镍热电阻及其应用[J].功能材科，1993，24(3):286-288.

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备注/Memo

备注/Memo:
收稿日期：2016-09-07 作者简介：孙智超(1989)，男，工程师，2015年毕业于英国利兹大学，从事仪器仪表和传感器的研究和制造工作。
更新日期/Last Update: 1900-01-01