This paper describes a system which can keep the front windshield of a car from being misted up with the condensing air and also keep ventilation in the cab in cold weather.

• 摘要陈述了一套系统以在一定程度上解决汽车在寒冷的天气行使前挡玻璃结上雾水而影响驾驶员的视线的问题，并且车窗常常关闭，阻碍了驾驶室的通风。该系统还可以保证室内空气流动、更换的畅通。