易燃易爆危险品运输车制动器降温灭火装置研发  

Research & Development on Brake Cooling and Extinguishing Device for Inflammable and Explosive Hazmat Transport Vehicles

作　　者：黄若[1] 刘浩明[1] 余和平 赵火英[3] 

机构地区：[1]北京理工大学机械与车辆学院,北京100081 [2]萍乡市泰博昌科技发展有限公司,江西萍乡337000 [3]江西工业工程职业技术学院机电工程系,江西萍乡337055

出　　处：《中国公路学报》2013年第1期184-190,共7页China Journal of Highway and Transport

摘　　要：为解决公路运输车辆因制动器过热引发交通事故的问题,研发了易燃易爆危险品运输车制动器降温灭火装置。设计了制动器降温灭火装置的结构与控制方法,同时为了确定合理的温度参数控制阈值,建立了制动器温升数学模型,利用Fluent软件对制动器摩擦片进行瞬态温度场有限元分析,计算并获得摩擦片的温度场分布并进行了试验验证,而后依据摩擦片温度场分布情况设定温度参数控制阈值,最后进行了专用试验台架与道路试验。结果表明:易燃易爆危险品运输车制动器降温灭火装置能够在传感器测得温度达到相应控制阈值时准确地进行喷水降温或灭火操作,防止制动器过热造成的热衰退,保证运输车辆运行安全。In order to avoid the traffic accidents caused by brake overheating of transport vehicles, the brake cooling and extinguishing device （BCAED） for inflammable and explosive hazmattransport vehicles was developed. The structure and control method of BCAED were designed. To determine reasonable control threshold value of temperature parameter, the mathematicalbrake temperature rising model was established and finite element analysis of transient temperature field for brake friction plate was made by Fluent. The temperature distribution offriction plate was obtained by computational analysis and experimental verification was carried out. After that, the control threshold value of temperature parameter was set according to thetemperature distribution of friction plate. Test bench and road tests were carried out finally. The results show that the BCAED for inflammable and explosive hazmat transport vehicles canperform cooling or extinguishing accurately when the temperature measured by temperature sensors reaches the corresponding control threshold, so as to avoid brake heat fade caused byoverheating and ensure the safety of vehicle transportation.

关 键 词：汽车工程 降温灭火装置 理论与试验研究 制动器 摩擦副 

分 类 号：U463.511[机械工程—车辆工程]