Dual-coil solenoid sensor design and its experimental study for wear particles detection

  • LIU En-chen ,
  • ZHANG Hong-peng ,
  • ZHANG Xin-rui ,
  • et al
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  • (1.Marine engineering College,Dalian Maritime University,Dalian 116026,China;2.Bohai Oil Research Institute,Tianjin Branch of CNOOC Ltd,Tianjin 300452,China)

Received date: 2015-08-21

  Revised date: 2015-09-29

  Online published: 2015-09-30

Abstract

In order to improve the signal to noise ratio (SNR) and sensitivity of solenoid sensor, the dual-coil solenoid sensor based on the principle of parallel inductance was designed and achieved. The detection principle of solenoid sensor with dual-coil was studied, and the formulas for equivalent inductance value of dual-coil solenoid sensor were conducted. Iron particles with different diameter were detected by using the solenoid sensor with dual-coil and single-coil, and comparison results illustrate that the iron particles with 5μm in diameter can be detected by the dual-coil solenoid sensor, and the SNR of the solenoid sensor with dual-coil is higher than that of the single-coil, which can reach 3 times as maximum, so that the solenoid sensor with dual-coil can accomplish the detection and counting of micro grade metal particles with higher detection accuracy.

Cite this article

LIU En-chen , ZHANG Hong-peng , ZHANG Xin-rui , et al . Dual-coil solenoid sensor design and its experimental study for wear particles detection[J]. Journal of Dalian Maritime University, 2016 , 42(2) : 102 -106 . DOI: 10.16411/j.cnki.issn1006-7736.2016.02.017

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