The current on-sale desk lamps adjust their brightness manually, not automatically.;which is not only troublesome, but also easy to cause unnecessary waste of resources and has a bad effect on the eyes. The design situates on eyes and spine problems caused by bad habits of ignoring light intensity in the use of desk lamps. In the purpose of eye protection and sitting posture correction, the designed lamps adjust the brightness and alarm automatically mainly through photoelectric sensor detection to ambient light and bent-over position. The circuit has the advantages of reasonable design, simple structure, low cost and other advantages in order to make up for the deficiency of existing desk lamps in the aspect of intelligent dimming and alarm.%现在市场上销售的台灯大都是通过手动调节灯光亮度,不能灵活的自动调节光亮,不但麻烦,而且易造成不必要的浪费和对眼睛有不良的影响.本设计针对于很多人在使用台灯过程中的不良习惯及忽视光线强度而造成的各种眼睛和脊柱问题,主要通过光电传感器对环境光线及俯身位置的检测,自动调节台灯亮度和报警,以达到保护眼睛及纠正坐姿的目的.该电路具有设计合理,结构简单,高效节能,成本低廉等优点,弥补了现有台灯不能真正做到智能调光与报警的不足.
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