【摘要】 为了实现自动调光,简要分析BTS629电路,并采用脉宽调制技术(PWM)对照明灯具及LED的功率进行连续控制以实现自动调光的工作原理。应用该IC芯片和光敏电阻设计了能够实现灯光自动调节的电路,并通过实测光敏电阻参数给出调光比较电位设计的方法。该装置可广泛应用于建筑、街道、汽车等照明应用场合,节能效果显著。更多还原

【Abstract】 To achieve automatic dimming,giving a brief analysis of automatic dimming principle of BTS629 by using PWM technology to achieve continuous control for power on lamp or LED lighting,then using this IC chip to design an automatic adjustment device for light by adding a photosensitive resistance to it,and comparing voltage design calculation method for dimming through measuring the photosensitive resistance.The device can be widely used for lighting applications in buildings,streets,and mobiles,which can bring energy-saving effect significantly.更多还原