【摘要】 在高性能胶片扫描仪中,CCD恒温制冷系统可以由温度传感器、半导体制冷器、可编程PWM脉冲发生器、散热片和风扇等组成。这种系统的制冷效果非常好,并且在硬件和软件上实现也比较容易。更多还原

【Abstract】 In high-property film scanner,a charge coupled device refrigeration constant temperature system is composed of the temperature sensor,the semiconductor cooler,the programmable PWM impulse generator,the radiator and the fan.The refrigeration result of this system is very good,and its implement is also very easy in the hardware and in the software.更多还原