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摘要照明是艺术,又是科学,它的发展依赖于科学的进步和生产技术水平的提高。在实际使用中,由于使用场所和使用要求不同,就要求有不同的照明效果,要求进行照明控制。所谓照明控制就... 摘要
照明是艺术,又是科学,它的发展依赖于科学的进步和生产技术水平的提高。在实际使用中,由于使用场所和使用要求不同,就要求有不同的照明效果,要求进行照明控制。所谓照明控制就是利用一定的元器件组成控制装置,控制照明系统,以满足人们的使用要求。同时,让使用者最有效的使用照明器,尽量减少不必要的电能浪费。
本设计介绍一种光控延迟照明灯,它用于走廊楼道照明,比声控照明更方便,不会影响他人休息。该灯白天处于封锁状态,不能被触发点亮,到了晚上,封锁被解除,进入允许触发状态。此时,若再有人进人红外光控区后,遮挡住红外发光二极管发出的红外光时,该灯就立即被点亮,达到人来即开,延迟一段时间(可自行设定)后自动熄灭。从而实现了方便生活,节约用电的目的。
该光控延迟照明灯电路主要由电源、单稳态触发器、自动光控制电路和红外光控制电路等组成。主要用到了NE555时基集成电路、红外发光二极管、光敏晶闸管、双向晶闸管等元器件。本设计介绍了这些元器件的组成及工作原理,主要是对电源部分的讨论与设计。同时,还对整个电路进行了仿真调试,节电效果十分明显,使用很方便。

关键词:NE555 电源稳压器 红外接收 红外发射

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2008-05-12 · 超过17用户采纳过TA的回答
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翻译如下:
Illuminate is an art, again is science, it of development dependence at science of progress and produce technique level of exaltation.In actually the usage, because of usage place and usage request dissimilarity, will beg to have dissimilarity of illuminate effect, request carry on illuminate control.So-called illuminate control be make use of certain of the dollar spare part constitute control equip, control illuminate system, with satisfy people of usage request.In the meantime, the usage making the user most valid illuminate machine, as far as possible decrease unnecessary electric power waste.
This design introduction is a kind of light control to delay floodlight, it used for building way in the hallway illuminate, than the voice control illuminate more convenience, can't influence others rest.Should light daytime be placed in blockader appearance, can't be trigger point bright, arrive evening, blockade quilt relief, get in to allow to trigger appearance.At this time, if again someone enter person red outside the light after control the area cover red outside give out light diode send out of red outside light, should light drive immediately point bright, attain a person come namely open, delay a period of time(can by oneself enactment) empress auto put out.Thus realization convenience life, the purpose of economy in electricity.
Should light control to delay floodlight electric circuit main from power supply, list the steady state trigger a machine, auto light control electric circuit and red outside light control electric circuit's etc. constitute.Main used NE555 point Ji integrated circuit, red outside give out light diode, light quick crystal Zha tube, double to crystal Zha tube etc. dollar spare part.This design introduction these constitute of spare part and work principle, main is to power supply part of discussion and design.Also to carry on to imitate to the whole electric circuit in the meantime true adjust to try, stanza electricity effect very obvious, usage very convenience.
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