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一种基于NE555的自动晾衣杆电路设计

更新时间:2020-07-03 06:08:37 大小:197K 上传用户:守着阳光1985查看TA发布的资源 标签:ne555自动晾衣杆 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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采用NE555定时器设计了一种自动晾衣杆控制电路。利用光传感器或是温度传感器将天气变化的状态输入NE555内,通过NE555内部的单稳态触发器动作,来控制电动机的正转(即上升)或反转(下降)。利用光敏三极管将光照强度控制输入,从而控制三极管的导通或是截止,以此来驱动外部机械装置,实现收衣服和晾衣服的功能。该自动晾衣杆的电路设计具有成本低、反应快、能耗小、寿命长、可靠性好等特点。

A kind of automatic clothesline pole control circuit is designed using NE555. The state of weather change is input into NE555 making use of opto-sensor or temperature sensor,through inner monostable trigger action of NE555, foreward( up) or reversal( down) of motor is controlled.Illumination intensity is input taking advantage of phototransisitor,thus controlling breakover or cut-off of transistor,and driving external mechanical device to achieve the function of picking up clothes or hanging clothes out. The circuit design of this automatic clothesline pole has many features such as low cost,quick reaction,less energy consumption,long life,good reliability.

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一种基于NE555的自动晾衣杆电路设计.pdf 197K

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