汽车空调制冷系统的常见故障诊断

Common Fault Diagnosis of Automobile Air Conditioning Refrigeration System

汽车的空气调节装置(简称汽车空调),即对汽车车厢内的空气温度、空气湿度、空气洁净度及空气窜动速度等部分或全部地进行调节,使其控制在合适范围内,从而创造一个舒适的驾驶及乘坐环境。汽车空气调节装置主要由空气制冷系统、空气供暖系统、空气强制通风系统及空气净化系统等组成。在生活中人们俗称的汽车空调主要指汽车空调中的制冷系统(冷气系统)。本文主要分析汽车空调制冷系统的组成、工作过程及常见故障诊断排除,并给出正确使用空调及养护的方法。

Air conditioning device for automobile(hereinafter referred to as automobile air conditioning),that is,the air temperature,air humidity,air cleanliness and air movement speed in the automobile compartment are partially or completely adjusted to control them within an appropriate range,so as to create a comfortable driving and riding environment.Automobile air conditioning devices are mainly composed of air refrigeration system,air heating system,air forced ventilation system and air purification system Chemical system,etc.In life,the commonly known automobile air conditioning mainly refers to the refrigeration system(air conditioning system)in automobile air conditioning.This paper mainly analyzes the composition,working process and common fault diagnosis and troubleshooting of automobile air conditioning refrigeration system,and gives the correct use of air conditioning and maintenance methods.