电磁轨道推进接触温度的特性研究

王振春; 杨德功; 张玉燕; 战再吉

doi:10.11858/gywlxb.20180548

电磁轨道推进接触温度的特性研究

doi: 10.11858/gywlxb.20180548

王振春^{1, 2,},
杨德功^{1, 3},
张玉燕^{1, 3,*, ,},
战再吉^{1, 2}

1.
燕山大学电气工程学院, 河北秦皇岛 066004
2.
燕山大学工业计算机控制工程河北省重点实验室, 河北秦皇岛 066004
3.
燕山大学测试计量技术及仪器河北省重点实验室, 河北秦皇岛 066004

基金项目:

国家自然科学基金 61403333

详细信息

作者简介:
王振春(1979-), 男, 博士, 副研究员, 主要从事脉冲功率技术、复杂环境系统测控技术、极端条件滑动电接触技术等研究. E-mail:Zcwang@ysu.edu.cn

通讯作者:
张玉燕(1976-), 女, 博士, 教授, 主要从事光电检测、光纤传感等方面的研究. E-mail:yyzhang@ysu.edu.cn

中图分类号: TM501
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出版历程
- 收稿日期: 2018-04-25
- 修回日期: 2018-06-22

Research on Characteristics of Contact Temperature in Electromagnetic Rail Propulsion

WANG Zhenchun^{1, 2
,},
YANG Degong^{1, 3},
ZHANG Yuyan^{1, 3,*
, ,},
ZHAN Zaiji^{1, 2}

1.
School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China
2.
Key Laboratory of Industrial Computer Control Engineering of Hebei Province, Qinhuangdao 066004, China
3.
Key Laboratory of Measurement Technology and Instrumentation of Hebei Province, Qinhuangdao 066004, China

摘要

摘要: 在电磁轨道推进过程中，固体电枢和轨道接触面温度是衡量接触状态的重要指标之一，能够在一定程度上表征在电磁轨道推进过程中影响轨道推进性能和推进效率的轨道损伤程度。针对电磁轨道推进的电枢和轨道接触面温度特性，进行相关仿真分析与测量实验研究。根据电接触的基本理论，对电枢和轨道接触面的温度热源进行分析，建立温度模型，结合仿真研究，得出在几种热源作用下电枢和轨道接触面温度的变化情况。以电磁轨道推进装置为试验平台，采用基于红外辐射测温原理的测量系统，对电磁轨道推进装置电枢和轨道接触面温度进行测量，得出了几个典型位置的温度和典型加载电流下的温度数据。结果表明，测量温度在幅值上和趋势上与仿真模拟结果具有一致性。轨道损伤分析也反映了电枢和轨道接触面温度升高加速了轨道表面的烧蚀。
- 电磁轨道推进 /
- 接触温度场 /
- 红外辐射测温 /
- 轨道损伤
Abstract: In the process of electromagnetic rail propulsion, the contact area temperature between armature and rails is one of the important indicators to measure contact state, which can characterize the degree of rail damage to some extent and affect the launch efficiency.Corresponding simulation analysis and measurement experiment of temperature characteristics are carried out.Based on the theory of electrical contact, the model is developed to analyze heat sources of the contact area and the influences on surface temperature.The change of temperature under different heat sources is obtained by simulation.Taking the electromagnetic rail propulsion device as the test platform, the temperature measurement experiment is carried out by using the measurement system based on infrared radiation.The temperatures of several typical positions under typical loading current are obtained.The results show that the measured temperature is consistent with the simulation results in amplitude and trend.Further analysis of the rail damage test can reflect that the increase of contact surface temperature accelerates the ablation of rail surface.
- electromagnetic rail propulsion /
- contact area temperature /
- infrared radiation temperature measurement /
- injury of the rail

HTML全文

图 1 电磁轨道推进装置等效电路

Figure 1. Equivalent circuit diagram of electromagnetic propulsion

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图 2 电磁轨道推进装置的Simulink仿真图

Figure 2. Simulink simulation of electromagnetic propulsion

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图 3 电枢和轨道接触面温度仿真曲线

Figure 3. Simulated contact temperature at the armature-rail interface

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图 4 温度测量系统结构图

Figure 4. Block diagram of temperature measurement system

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图 5 温度测量系统

Figure 5. Temperature measurement system

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图 6 实验中加载电流波形和温度数据

Figure 6. Loading currents and measured temperature in the experiments

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图 7 实验后轨道宏观形貌

Figure 7. Macro morphology of rail surface after experiments

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表 1 不同位置处多次测量的最高温度值

Table 1. Maximum temperature of different locations under multiple measurements

Point	Maximum temperature/K
Point	No.1	No.2	No.3	No.4	No.5
1	1 171.2	1 216.0	1 193.6	1 204.8	1 193.6
2	1 316.8	1 260.8	1 294.4	1 265.2	1 286.6
3	1 323.2	1 378.4	1 365.8	1 382.4	1 392.6

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