路燈自動控制電路

⑴ 路燈自動控制的繼電器電路設計

我覺得用可控硅好，電路簡單，壽命長。

如圖，左邊兩端接220v，右邊那個埠接單片機的I/O口。

⑵ 路燈自動控制裝置 設計電路圖（自己實踐的）

呵呵，這個沒有知道你要什麼樣的，本人是搞電子電氣的，可以說說你的方案探討一下！看能不能用得上我的愚見！！

⑶ 如圖為路燈自動控制電路，其工作原理利用了電磁開關和光敏電阻．圖中虛線框內是電磁開關的結構示意圖．

一：A

二：1：自動開關

三：秋分晝夜等長夜晚燈耗電，線圈不耗電25W=0.025KW*12=0.3kW•h

白天燈不亮線圈耗電，36v*0.04A*12=0.0172KW

一晝夜總耗電0.3+0.0172=0.3172KW

四：保護電路不能影響電路原有功能，有光照是繼電器線圈電流不能小於40MA

36V/40MA=900Ω所以保護電阻不大於900Ω

⑷ 路燈自動控制電路

電路如下圖所示，220V交流電通過燈泡H及整流全橋後，變成直流脈動電壓，作為正向偏內壓，加在可控容硅VS及R支路上。白天，亮度大於一定程度時，光敏二極體D呈現底阻狀態≤1KΩ，使三極體V截止，其發射極無電流輸出，單向可控硅VS因無觸發電流而阻斷。此時流過燈泡H的電流≤2.2mA,燈泡H不能發光。電阻R1和穩壓二極體DW使三極體V偏壓不超過6.8V，對三極體起保護作用。夜晚，亮度小於一定程度時，光敏二極體D呈現高阻狀態≥100KΩ，使三極體V正向導通，發射極約有0.8V的電壓，使可控硅VS觸發導通，燈泡H發光。RP是清晨或傍晚實現開關轉換的亮度選擇元件。

安裝與調試：

安裝時，將裝焊好的印製板放入透明塑料盒內並固定好，將它與受控電燈H串聯，並讓它正對著天幕或房子採光窗前較明亮的空間，避免3米以內夜間燈光的直接照射。調試宜傍晚時進行，調節RP阻值的大小，使受控電燈H在適當的亮度下始點亮。

⑸ 求！！！！！！路燈自動控制電路··

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⑹ 怎樣設計一個路燈自動控制電路白天燈自動滅晚上自動亮　最好是電路圖喲

下圖是一個簡單光敏電路，光度越大，光敏電阻阻值越小，反之越大。R2調較適當光暗度，繼電器輸出接所需的燈具，LED等。

⑺ 設計一個路燈自動控制開關電路，能在天黑時自動點亮路燈，天亮後又自動關燈。要求：用光敏元件實現自控；

分兩個部分：
1）是光敏電路，用以產生開關控制信號，電路形式多樣，可參考網版上的；
2）控制市電通斷的權開關電路，有採用繼電器等機械式的，也有採用（單、雙向）可控硅作為開關部件的，由於可控硅工作在交流電環境下，所以大都採用光電管耦合方式，來接收控制信號-----光敏電路輸出的信號；
你可根據負載功率來選擇電路----光耦合雙向可控硅電路（網上）
http://wenku..com/view/a59a2b0a76c66137ee06196b.html

⑻ 某同學設計了一個路燈自動控制門電路，如圖所示，天黑了，讓路燈自動接通，天亮了，讓路燈自動熄滅。圖中