Mechanism Analysis and Maintenance Research on Deterioration of Aircraft Contactor Contact

doi:10.16628/j.cnki.2095-8188.2023.07.005

Abstract

Abstract:

The contactor failure caused by the contact adhesion of aircraft contactor occurs frequently,and the harsh environment makes the contact life of the contactor far lower than the ideal life,which brings great difficulties to the field maintenance work.It is of great significance to study the deterioration mechanism of the contact surface of the contactor under the field conditions to formulate the maintenance plan,improve the maintenance quality and ensure flight safety.The contact surface states from macro and micro angles are observed,the composition of contact spot elements is analyzed,and the fault mechanism of contact resistance increasing in combination with the characteristics of aircraft contactor working environment is researched.Taking the existing misunderstandings and hazards in the current field contactor contact maintenance,the field inspection and maintenance improvement scheme of the contact are studied,which can help the maintenance personnel master the health status and remaining life of the contactor and achieve the purpose to reduce the failure rate of the contactor.

Key words: contactor contact, contact resistance, fault analysis, maintenance countermeasures

CLC Number:

TM572

MENG Xin, SUN Qihai, YU Chunfeng, ZHANG Yuanfeng. Mechanism Analysis and Maintenance Research on Deterioration of Aircraft Contactor Contact[J]. LOW VOLTAGE APPARATUS, 2023, 0(7): 30-35.

Figures/Tables 11

References 12

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