An Inductive Debris Sensor Based on a High-Gradient Magnetic Field

被引：64

作者：

Feng, Song ^{[1
]}

Yang, Leilei ^{[1
]}

Qiu, Guang ^{[1
]}

Luo, Jiufei ^{[1
]}

Li, Rui ^{[1
]}

Mao, Junhong ^{[2
]}

机构：

[1] Chongqing Univ Posts & Telecommun, Sch Adv Mfg Engn, Chongqing 400065, Peoples R China

[2] Xi An Jiao Tong Univ, Dept Mech Engn, Xian 410073, Shaanxi, Peoples R China

来源：

IEEE SENSORS JOURNAL | 2019年 / 19卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Inductive debris sensor; high-gradient magnetic field; on-line wear monitoring; WEAR DEBRIS;

D O I：

10.1109/JSEN.2018.2890687

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The health condition of mechanical systems can be characterized by wear debris in lube oil. Therefore, wear debris detection is necessary for the fault prediction and diagnosis of mechanical systems. This paper presents an inductive debris sensor based on a high-gradient magnetic field. An induction coil is placed in a high-gradient magnetic field, and an induced voltage is generated when wear debris in the oil pipe flows through a magnetic field. A mathematical model of the sensor is established, and the output signal of the sensor is similar to that of a three-coil inductive debris sensor. The experimental results show that the sensor is capable of detecting 2.5-mu m ferromagnetic particles. The sensor driven by a constant current has a simple structure and is feasible for on-line wear monitoring.

引用

页码：2879 / 2886

页数：8

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