Abstract: In recent years, China has vigorously promoted the new energy vehicles, and the new energy vehicle technology has ushered in a new opportunity. Automobile air conditioning system is very important to the safety and comfort of automobile drivers, and has a increasing influence. In order to ensure the safety and comfort of drivers and passengers, this paper adopts STC12C5A60S2 microprocessor as the core, build system hardware components and control circuit, embedded C language control algorithm, design a set of solar auxiliary electric car air conditioning automatic control system, implement solar power for car air conditioning, and intelligent temperature regulation in the cabin. The system is simple to install, strong matching, cost-effective, widely applicable to all types of new energy electric vehicles.

Key words: Solar energy; Auxiliary power supply; Automobile air conditioning; Electric vehicles; Automatic control system

摘要： 近几年来我国大力推广新能源汽车，新能源汽车技术迎来了新的时机。汽车空调系统 对汽车的驾驶员的安全性和舒适性非常重要，影响越来越大。为保证驾驶员及乘客的安全性 和舒适性，论文以 STC12C5A60S2 微处理器为核心，构建系统硬件的组成部件及控制电路， 嵌入式 C 语言控制算法，设计了一套太阳能辅助电动汽车空调自动控制系统，实现太阳能发 电，为汽车空调提供电源和座舱内温度智能化调节。该系统安装简单、匹配性强、性价比高， 广泛适用于各类型新能源电动汽车。

关键词: 太阳能；辅助供电；汽车空调；电动汽车；自动控制系统