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触摸感应台灯为什么自动亮
更新时间: 2020-10-03 00:00:00  

使用触摸开关的台灯的原理,是由于其开关电路利用人体电容的原理,当触摸该台灯时,人体电容使此灯的触发电路“翻转”,电路“接通”,台灯工作。而此类台灯由于电扇启动、日光灯启动时的干扰等会使台灯被“误触发”而点亮,在该台灯的触发开关,“对地并联”接一只0.01uF的电容。

关键词: 触摸 感应 台灯 为什么 自动

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