重型越野车低温快速起动技术研究  

Research on Speedy Cold-starting Technology of Heavy Off-road Vehicle

作　　者：焦贵利 禹东方[1] 朱学斌[2] 武之剑 许丽梅[1] 吴宝龙 JIAO Guili;YU Dongfang;ZHU Xuebin;WU Zhijian;XU Limei;WU Baolong(Tai'an Aerospace Special Vehicle Co.,Ltd.,Tai'an,Shandong,27100,China;Beijing Institute of Space Launch Technology;Shaanxi North Dynamic Co.,Ltd.)

机构地区：[1]泰安航天特种车有限公司,山东泰安271000 [2]北京航天发射技术研究所 [3]陕西北方动力有限责任公司

出　　处：《小型内燃机与车辆技术》2023年第2期1-5,共5页Small Internal Combustion Engine and Vehicle Technique

摘　　要：针对重型越野车低温冷起动问题,以某大功率风冷柴油机作为动力的重型越野车为研究对象,从进气预热、电源等方面分析影响低温起动的关键因素,通过优化进气温度、提升蓄电池输出功率等措施提高低温起动性能,经理论计算、试验测试,满足车辆-40℃低温条件下4 min内顺利起动要求。Aiming at the cold-starting problem on heavy off-road vehicle with high-power air-cooled diesel,the key influencing factors affecting cold-starting were analyzed from the aspects of intake air preheating,battery power and so on.The cold-starting performance in low-temperature is improved by optimizing the intake air temperature and battery output power.Theoretical calculation and test show that the vehicle can start smoothly in 4 minutes at-40℃.

关 键 词：重型越野车 低温 快速起动 

分 类 号：U464.172[机械工程—车辆工程]