R44II型直升机机载电瓶延寿关键技术研究  

作　　者：刘璐[1] 周彬[1] 

机构地区：[1]中国民航飞行学院新津分院,四川新津611430

出　　处：《科技创新导报》2017年第23期14-15,共2页Science and Technology Innovation Herald

摘　　要：本文首先介绍了R44II型直升机机型特点及其机载电瓶的基本参数和使用环境特点;之后介绍了新型的阀控式铅酸电瓶的结构特点以及与传统铅酸电瓶的差异;在阐述阀控式铅酸电瓶基本原理的基础上,分析了其可能存在的失效模式;结合R44II型直升机的实际运行特点,提出电瓶延寿的可行方案。在实际运行中,采用改进的维护方案延长了R44II型直升机的电瓶使用寿命。Firstly,this paper introduces the characteristics of R44II helicopter and its basic parameters and environment characteristics.After that,the structure features of the new valve controlled lead-acid battery and the difference between the VRLA battery and the traditional lead-acid battery were introduced.On the basis of explaining the basic principle of VRLA battery,the possible failure modes are analyzed.Combined with the actual operation characteristics of R44II helicopter,a feasible scheme for battery life extension is put forward.In actual operation,the improved maintenance scheme prolongs the service life of R44II helicopter batteries.

关 键 词：R44II型直升机 阀控式铅酸电瓶 延寿 

分 类 号：V26[航空宇航科学与技术—航空宇航制造工程]