Advanced
search

To read this content please select one of the options below:

Study on the factors affecting the performance of oil-filled pressure sensitive core

Zhong Jin (The 48th Research Institute of China Electronics Technology Group Corporation, Changsha, China and The State Key Laboratory of Precision Manufacturing for Extreme Service Performance and School of Mechanical and Electronical Engineering, Central South University, Changsha, China)
Xiang Li (The 48th Research Institute of China Electronics Technology Group Corporation, Changsha, China)
Feng He (The 48th Research Institute of China Electronics Technology Group Corporation, Changsha, China and The State Key Laboratory of Precision Manufacturing for Extreme Service Performance and School of Mechanical and Electronical Engineering, Central South University, Changsha, China)
Fangting Liu (The State Key Laboratory of Precision Manufacturing for Extreme Service Performance and School of Mechanical and Electronical Engineering, Central South University, Changsha, China)
Jinyu Li (The State Key Laboratory of Precision Manufacturing for Extreme Service Performance and School of Mechanical and Electronical Engineering, Central South University, Changsha, China)
Junhui Li (The State Key Laboratory of Precision Manufacturing for Extreme Service Performance and School of Mechanical and Electronical Engineering, Central South University, Changsha, China)

Sensor Review

ISSN: 0260-2288

Article publication date: 28 March 2024

Issue publication date: 9 April 2024

16

Abstract

Purpose

The performance of oil-filled pressure cores is very much affected by the corrugated diaphragm and the oil filling volume. The purpose of this paper is to show the effects of different corrugated diaphragms, different oil filling volumes and different treatments of the corrugated diaphragms on the performance of pressure sensors.

Design/methodology/approach

Pressure-sensitive cores with different diaphragm diameters, different diaphragm ripple numbers and different oil filling volumes are produced, and thermal cycling is introduced to improve the diaphragm performance, and finally the performance of each pressure-sensitive core is tested and the test data are analyzed and compared.

Findings

The experimental results show that the larger the diameter of the corrugated diaphragm used for encapsulation, the better the performance. For pressure-sensitive cores using smaller diameter corrugated diaphragms, the performance of one corrugation is better than that of two corrugations. When the number of corrugations and the diameter are the same size, the performance of the outer ring of the diaphragm with concave corrugations is better than that with convex corrugations. At the same time, the diaphragm after thermal cycling treatment and appropriate reduction of encapsulated oil filling can improve the performance of the pressure-sensitive core.

Originality/value

By exploring the effects of corrugated diaphragm and oil filling volume on the performance of oil-filled pressure cores, the design of oil-filled pressure sensors can be guided to improve sensor performance.

Keywords

Acknowledgements

This work was supported by the Key Research and Development Program of Hunan Province (No. 2023GK2043), National Natural Science Foundation of China joint fund for regional innovation and development (No. U20A6004).

Citation

Jin, Z., Li, X., He, F., Liu, F., Li, J. and Li, J. (2024), "Study on the factors affecting the performance of oil-filled pressure sensitive core", Sensor Review, Vol. 44 No. 2, pp. 171-178. https://doi.org/10.1108/SR-01-2024-0042

Publisher

:

Emerald Publishing Limited

Copyright © 2024, Emerald Publishing Limited

Related articles

Manage cookies

We’re listening — tell us what you think

Join us on our journey