Thermal Simulation and Experimental Research of EMU Logic Control Box

Min WANG; Weicheng ZHOU; Jiajun OUYANG; Kai ZHU; Peng FANG; Liang CHENG

doi:10.13890/j.issn.1000-128x.2020.04.027

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Thermal Simulation and Experimental Research of EMU Logic Control Box

Research & Development | 更新时间：2021-12-10

- Thermal Simulation and Experimental Research of EMU Logic Control Box
- Electric Drive for Locomotives Issue 4, Pages: 133-137(2020)
- 作者机构：
  
  1.中车长春轨道客车股份有限公司，吉林　长春　130062
  2.株洲中车时代电气股份有限公司，湖南　株洲　412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2020.04.027
  CLC：
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Min WANG, Weicheng ZHOU, Jiajun OUYANG, et al. Thermal Simulation and Experimental Research of EMU Logic Control Box. [J]. Electric Drive for Locomotives (4):133-137(2020)
DOI：

Min WANG, Weicheng ZHOU, Jiajun OUYANG, et al. Thermal Simulation and Experimental Research of EMU Logic Control Box. [J]. Electric Drive for Locomotives (4):133-137(2020) DOI： 10.13890/j.issn.1000-128x.2020.04.027.

摘要

针对动车组电气屏柜中逻辑控制机箱内继电器表面温度过高的问题，提出一种改善继电器表面温度的散热结构。通过仿真，分析了改进前后的逻辑控制机箱在全功率运行时继电器表面温度和逻辑控制机箱内腔温度的变化，并通过温升试验进行了验证。仿真和试验结果表明，散热结构对继电器表面温度和逻辑控制机箱内腔温度有一定的改善作用。

Abstract

Aiming at the problem of over temperature of relay surface in logic control cabinet of EMU, a heat dissipation structure was proposed to improve the relay surface temperature. Through simulation, the changes of relay surface temperature and inner cavity temperature of logic control cabinet before and after the improvement were analyzed when the logic control cabinet was in full power operation, and verified by temperature rise test. The simulation and test results showed that the heat dissipation structure could improve the relay surface temperature and the inner cavity temperature of the logic control box.

关键词

动车组电气屏柜继电器低压电器热仿真

Keywords

EMUelectrical cabinetrelaylow voltage electrical appliancesthermal simulation

references

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Related Institution

Locomotive & Car Research Institute, China Academy of Railway Sciences Co., Ltd.

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