智能风冷系统，能实时监测温度，并设置温度上限下限，超过温度阀值则启动风冷电机，并以PWM根据温度的变化来调速，自动超温报警-Smart air-cooled systems, real-time monitoring of temperature, and set the lower limit of the upper temperature limit, start air-cooled motor temperature threshold is exceeded, the PWM spe