新能源车载冷却水泵系统设计与实现
2021-09-10陈晓纪路燕海滨赛影辉王磊
陈晓纪 路燕 海滨 赛影辉 王磊





摘要:近年来,新能源汽车工业在续航能力、电池技术、维护管理等方面取得了长足的进步。消费者对新能源汽车的关注度与认可度逐年提高。车载冷却系统是新能源汽车整车管理的重要组成部分。其功能是根据整车控制器的指令,驱动冷却液循环,降低整车关键部位的温度,保障整车系统的正常运行。本文基于PWM原理,设计了一款新能源车载冷却系统。该系统利用PWM信号与放大电路,驱动冷却水泵运行;并且采集反馈信号,监测其运行状态。本系统的设计思路对新能源车载冷却系统的设计开发具有一定的借鉴意义。
Abstract: In recent years, the new energy vehicle industry has made great progress in endurance, battery technology, maintenance and management. Consumers' attention and recognition of new energy vehicles are increasing year by year. Vehicle cooling system is an important part of new energy vehicle management. Its function is to drive the coolant circulation according to the instructions of the vehicle controller unit, reduces the temperature of the key parts of the vehicle, and ensures the normal operation of the vehicle system. Based on PWM principle, this paper designs a new energy vehicle cooling system. The system uses PWM signal and amplifier circuit to drive the cooling water pump to run, and collects feed back the signal to monitor its running state. The design idea of this system has certain reference significance for the design and development of new energy vehicle cooling system.
关键词:新能源汽车;冷却系统;整车控制器;PWM信号
Key words: new energy vehicle;cooling system;vehicle controller unit;PWM signal
中图分类号:TM303 文献标识码:A 文章编号:1674-957X(2021)05-0020-02
0 引言
随着环境污染与能源消耗的进一步加剧,新能源汽车逐步进入人们的视野。新能源汽车具有污染小、环保性好、噪音小、舒适度高等显著的特点。以锂电池、氢燃料为代表的新能源汽车将是解决汽车工业化可持续发展的重要且行之有效的途径。在新能源整车管理系统中,冷却系统起着非常重要的作用。冷却系统用于降低电机控制器、电机、DCDC、电池等关键设备附近的温度,保障车载设备的顺畅运行。传统新能源车载冷却系统中,每个模块可能采用独立的冷却系统[1-2]。即使冷却系统对电机控制器、电机、DCDC、电池等关键设备进行综合管理[3-5],也很难对冷却系统的运行状态进行有效监控。与传统的冷却系统相比,本设计在车载关键设备附近配置了温度传感器,实时监测温度值。……
