全电动船上的动力模块的增强冷却方法基于参数优化和烧结热管的特殊形状设计
Binyu Wang1, Ting Lu2, Qisheng Wu1
1School of Electronics and Control Engineering, Chang'an University, Xi'an 710064, China.
Micromachines
|November 27, 2025
概括
这项研究提高了电动船舶中动力模块的冷却效率,使用了优化的烧结热管. 一个新的C形热管设计显著降低了热点温度,提高了热可靠性.
科学领域:
- 热管理 热管理
- 电力电子 电力电子 电力电子
- 海洋工程 海洋工程
背景情况:
- 全电动推进船的多芯片动力模块面临着不均的功率损失的挑战.
- 有效的热管理对于这些模块的可靠性和性能至关重要.
- 现有的冷却解决方案可能无法充分解决局部热点问题.
研究的目的:
- 提出和验证一个增强的冷却方法,以多芯片功率模块与不均的功率损失.
- 优化烧结热管的参数,并引入一种新的热管形状,以改善散热.
- 在海洋应用中提高功率电子转换器的热可靠性.
主要方法:
- 对直直烧结热管的五个关键参数的优化 (位置,直径,数量,长度,方向).
- 基于平行热阻原理的C形热管的设计.
- 有限元模拟用于分析不同冷却配置下的温度分布.
- 对拟议的C形热管散热器的冷却性能进行实验验证.
主要成果:
- 优化的直线热管使热点温度从91.26°C降低到87.35°C.
- 新的C形热管在模拟中进一步降低了热点温度到80.85°C.
- 实验结果显示,温度降低了11.65%,从86.7°C降至76.6°C.
- 这种C形设计创造了两个平行的低热阻路径,性能优于传统的U形设计.
结论:
- 提议的增强式冷却方法有效降低了多芯片电源模块中的热点温度.
- 优化的烧结热管和新的C形设计显著提高了热可靠性.
- 这种方法减少了设备故障率,并为功率电子中的散热器设计提供了通用的方法.
关键词:
空气冷却散热器散热器纯电动推进船只 - 纯电动推进船只增强冷却增强冷却的方法热量流动的热量流动.热管道 热管道 管道热点芯片温度 热点芯片温度多芯片动力模块的功率模块.参数优化的参数优化有特殊形状的设计.更多相关视频
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