电动力鱼雷二次电池组抗冲击强度分析

盛兆华

doi:10.11993/j.issn.2096-3920.2018.03.014

电动力鱼雷二次电池组抗冲击强度分析

doi: 10.11993/j.issn.2096-3920.2018.03.014

盛兆华

中国船舶重工集团公司第705研究所昆明分部, 云南昆明, 650106

详细信息

作者简介:
盛兆华(1992-), 男, 硕士, 工程师, 主要研究方向为水下航行器电动力系统研制.

中图分类号: TJ631.2；TG115.5
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- 被引次数: 0
出版历程
- 收稿日期: 2018-01-25
- 修回日期: 2018-03-08
- 刊出日期: 2018-06-30

Analysis on Impact Strength of Secondary Battery Pack of Electric Torpedo

SHENG Zhao-hua

Kunming Branch of the 705Research Institute, China Shipbuilding Industry Corporation, Kunming 650106, China

摘要

摘要: 电动力鱼雷二次电池组安全平稳放电是全雷正常航行的保障。电池架除了保证电池单体有足够的容纳空间外, 还需具有一定的抗冲击强度, 防止鱼雷空投发射入水冲击对电池单体造成损伤, 引起内部短路等严重故障。文中先对现有电池组进行模拟空投发射冲击试验, 试验结果表明, 电池单体未受损, 电池架顶盖遭严重破坏。之后采用冲击有限元仿真分析顶盖严重变形原因, 仿真结果表明, 顶盖抗弯强度不足, 针对强度不足之处对顶盖进行结构改进, 结构改进后电池组顺利通过了冲击试验。文中所做研究可为电池组抗冲击设计提供参考。
- 电动力鱼雷 /
- 二次电池组 /
- 冲击试验 /
- 冲击有限元仿真
Abstract: Safe and smooth discharge of secondary battery pack is a guarantee of normal navigation for an electric torpedo. The battery container is necessary to supply adequate space for battery monomer, and have certain impact strength as well to prevent internal short circuit of battery monomer caused by water-entry impact of torpedo’s air-dropped launching. In this study, water-entry impact test of air-dropped launching torpedo was conducted for the battery pack, and the results showed that the battery monomer was not damaged, but the battery container cover was seriously damaged. Then, the reason why the serious deformation of the container cover happens was analyzed by using impact finite element simulation, and the results indicated that the bending strength of the container cover was insufficient. Furthermore, the structure of the container cover was improved to enhance its bending strength, as a result, the battery pack in the improved container passed the subsequent impact test. This study may provide a reference for the impact resistance design of the battery pack.
- electric torpedo /
- secondary battery pack /
- impact test /
- impact finite element simulation

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参考文献(11)

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