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魚缸水泵自動(dòng)開停控制電路

2016-11-18 09:40
關(guān)鍵詞： 控制電路 電路 水泵
魚缸水泵自動(dòng)開?？刂齐娐? src="http://files.chinaaet.com/dianlutu/69/6469-1.jpg" style="cursor:hand" border=0> 如圖所示為魚缸水泵自動(dòng)開停控制電路,。它采用兩只555時(shí)基電路組成,。其外圍電路具有相似的結(jié)構(gòu)，通過交連電容C5,、C3形成閉環(huán),。該裝置運(yùn)行有兩個(gè)狀態(tài)：即工作狀態(tài)和間歇狀態(tài)。為了保證達(dá)到每次開啟電源時(shí)裝置處于工作狀態(tài)(即水泵運(yùn)行狀態(tài)),，在IC1的4腳有R3和C2組成的復(fù)位電路,。此電路最小間歇半小時(shí)，最大間歇3h,。按圖中R10給出的數(shù)值,，水泵工作時(shí)間為25min～30min?？筛鶕?jù)需要改變其阻值的大小,，自行確定工作時(shí)間。 元器件選擇：C3,、C5須選用無極性電容,。K1用單刀6位波段開關(guān)。其他元器件選用如圖所示。 </div> </div><!--//end of 內(nèi)容詳細(xì)--> </div> <!--//end of mid-banner 2--> <div id="8mae4ocg" class="box borderless"> <div id="8mae4ocg" class="bullhorn-text"> <a href="http://forexkbc.com/tt/FFB7ze" target="_blank" rel="nofollow">進(jìn)入訂閱《網(wǎng)絡(luò)安全與數(shù)據(jù)治理》雜志</a> <a href="http://forexkbc.com/tt/6v2673" target="_blank" rel="nofollow">點(diǎn)擊了解訂《電子技術(shù)應(yīng)用》雜志送開發(fā)板活動(dòng)</a> <a href="http://forexkbc.com/tt/aaIFNf" target="_blank" rel="nofollow">電子技術(shù)應(yīng)用新基建專題</a> <a 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