关于热敏电阻和光敏电阻的问题

2025-04-07 03:04:09
推荐回答(4个)
回答1:

呵呵楼上几位的电路都不可以做到,考虑的都不完善。这个问题在这里都不可以解决,没法画图,建议楼主还是直接找专业的人问问给你做一块板吧。如果连这样的小问题都在问别人,怀疑你即使有电路图也根本没能力自己做出来,要知道还要做电路板、买元件、焊接、调试、安装等等。原理就很简单,就是热敏电阻+电阻作为传感器;施密特门作为触发判断系统,继电器作为执行机构,另有限位开关作为中止执行机构。

回答2:

一只热敏电阻TR,220或330欧都行,一只直流6-9伏的小型常开式继电器J01,一只100千欧可调电阻R01,一只1千欧可调电阻R02,一只51欧电阻RO3,一只3DK3开关三极管G01.一只1N4001二极管D01.元件齐了!电源电压9-12伏,......咱接线了:TR串接R02后一端接G01基极,一端接地.R01一端接G01基极一端接正电源.R03一端接G01发射极一端接地.J01与D01并接后正端接正电源,一端接G01集电极.......接电源调试!将R02调至中位,用手指捏住热敏电阻,三分钟后细调R01直到继电器吸合.松开手指让热敏电阻降温,继电器应能释放.以后实用中可微调R02调温!

回答3:

(连接开关阳遮棚的装置)
1-------------------电磁继电器-------正极
1
热敏电阻
1
1
1
负极

回答4:

给个邮箱,我给你画。还有就是只是温度高的时候放下来吗不管有没有太阳。

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