Research on Reliability of 3D Composite Phase Change Heat Dissipation Technology Applied in Rail Transit Vehicles

Yanping CHEN; Guomeng SONG; Zechun DOU; Nan HUANG; Xiao ZHANG; Biao XIANG

doi:10.13890/j.issn.1000-128x.2021.05.027

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Research on Reliability of 3D Composite Phase Change Heat Dissipation Technology Applied in Rail Transit Vehicles

Reliability and Failure Analysis | 更新时间：2021-12-13

- Research on Reliability of 3D Composite Phase Change Heat Dissipation Technology Applied in Rail Transit Vehicles
- Electric Drive for Locomotives Issue 5, Pages: 167-174(2021)
- 作者机构：
  
  1.中车株洲电力机车研究所有限公司，湖南　株洲　412001
  2.上海热拓电子科技有限公司，上海　201600
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2021.05.027
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Yanping CHEN, Guomeng SONG, Zechun DOU, et al. Research on Reliability of 3D Composite Phase Change Heat Dissipation Technology Applied in Rail Transit Vehicles. [J]. Electric Drive for Locomotives (5):167-174(2021)
DOI：

Yanping CHEN, Guomeng SONG, Zechun DOU, et al. Research on Reliability of 3D Composite Phase Change Heat Dissipation Technology Applied in Rail Transit Vehicles. [J]. Electric Drive for Locomotives (5):167-174(2021) DOI： 10.13890/j.issn.1000-128x.2021.05.027.

摘要

针对轨道交通车辆变流器使用的3D复合相变散热技术，基于车辆的外部环境和自身工作特性，对其可靠性进行了测试和验证。首先，结合GC-MS和ICE-MS等检测方法，验证相变工质的稳定性，同时也对散热器样机进行了性能测试；其次，对3D复合相变散热器的抗冲击振动、耐热、耐寒、耐腐蚀、抗爆等性能进行全面的测试和评估。结果表明，3D复合相变散热技术具有良好的稳定性和可靠性，满足在高原、高寒和沿海等自然环境和车辆自身频繁振动等工作环境中正常运行的要求。3D复合相变散热器在CRH380A型动车组上完成120×10,4, km装车考核，并批量装车2 000余台，目前已实现3年零故障运行，验证了3D复合相变散热技术的可靠性。

Abstract

In this paper, the reliability of 3D composite phase change heat dissipation technology for the rail transit vehicle converter was tested and verified based on the external environment and its self characteristics. The stability of the working medium was analyzed by GC-MS and ICE-MS firstly, and the heat dissipation performance of the heatsink was tested. The shock resistance and anti-vibration performance, heat and cold tolerance, corrosion resistance and pressure blast resistance of the heatsink were tested in harsh environments. The results showed that the 3D composite phase change heat dissipation technology has credible stability and reliability, which satisfies the conditions of vehicles running on plateau, alpine cold, coastal environment, and its frequent vibration conditions. More than 2 000 pieces of 3D composite phase change heatsinks has been installed on CRH380A after the 1.2 million kilometers on board functional assessment, and no failure has occurred in the past 3 years, so that the reliability of the 3D composite phase change technology was verified.

关键词

散热器3D复合相变轨道交通车辆可靠性

Keywords

heatsink3D composite phase changerail transit vehiclereliability

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