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name='a890e388' src='https://ad.eepw.com.cn/www/delivery/afr.php?zoneid=88&cb=INSERT_RANDOM_NUMBER_HERE' frameborder='0' scrolling='no' width='660' height='60'><a target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=88&cb=INSERT_RANDOM_NUMBER_HERE&n=a635e61e' border='0' alt='' /></a></iframe> </div> <div style="margin-top:28px;"></div> <div id="lb93t9b" class="content" id="contentDiv" style="position:relative;"> <div id="jf7hz9f" class="ad_300x180_Afinal13_back">  <iframe id='a225770a' name='a225770a' src='https://ad.eepw.com.cn/www/delivery/afr.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE' frameborder='0' scrolling='no' width='300' height='200'><a target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE&n=a576c0a2' border='0' alt='' /></a></iframe> </div> <span id="contentlabels" style="font-size:14px;"><p>　　導(dǎo)讀：本文主要講述的是聲控?zé)舻脑?，感興趣的童鞋們快來(lái)學(xué)習(xí)一下吧~~~很漲姿勢(shì)的哦~~~</p>本文引用地址：<a href="http://www.ex-cimer.com/article/278502.htm">http://www.ex-cimer.com/article/278502.htm</a> <h2>1.<a class="contentlabel" href="http://www.ex-cimer.com/news/listbylabel/label/聲控?zé)粼?><em>聲控?zé)粼?/em></a>--簡(jiǎn)介</h2> <p>　　聲控?zé)羰且环N聲控電子照明裝置，由音頻放大器、選頻電路、延時(shí)開(kāi)啟電路和可控硅電路組成。它提供了一種操作簡(jiǎn)便、靈活、抗干擾能力強(qiáng)，控制靈敏的聲控?zé)?，它采用人嘴發(fā)出約1秒的控制信號(hào)“嘶”聲，即可方便及時(shí)地打開(kāi)和關(guān)閉聲控照明裝置，并有防誤觸發(fā)而具有的自動(dòng)延時(shí)關(guān)閉功能，并設(shè)有手動(dòng)開(kāi)關(guān)，使其應(yīng)用更加方便。</p> <p align="center"><img class="" width="500" height="349" alt="" src="http://editerupload.eepw.com.cn/201508/8ec292033ba282c8e8a5d894824e0297.jpg" /></p> <h2>2.<a class="contentlabel" href="http://www.ex-cimer.com/news/listbylabel/label/聲控?zé)粼?><em>聲控?zé)粼?/em></a>--構(gòu)成</h2> <p>　　聲控?zé)粲稍捦病⒁纛l放大器、選頻電路、倍壓整流電路、鑒幅電路、恒壓源電路、延時(shí)開(kāi)啟電路、可控延時(shí)開(kāi)關(guān)電路、可控硅電路組成。簡(jiǎn)單的來(lái)說(shuō)：聲控?zé)羰峭▉?lái)麥克風(fēng)把聲音信號(hào)換轉(zhuǎn)為電信號(hào)，然后通來(lái)放大電路放大到必要的功率以控制開(kāi)關(guān)電路!(本大多數(shù)情況下：開(kāi)關(guān)電路是由三極管組成的,當(dāng)然也可以加別的元器件，如繼電器等。</p> <p align="center"><img class="" width="500" height="361" alt="" src="http://editerupload.eepw.com.cn/201508/a1563b8486a9253cea5ea9f4c8ddf111.jpg" /></p> <h2>3.<a class="contentlabel" href="http://www.ex-cimer.com/news/listbylabel/label/聲控?zé)粼?><em>聲控?zé)粼?/em></a></h2> <p>　　聲控?zé)魬?yīng)該全名為--聲光控?zé)?。因?yàn)楹凸饩€也有關(guān)系。白天你放鞭炮它都不會(huì)亮，其原理如下：</p> <p>　　1、轉(zhuǎn)變電壓，一般中國(guó)的聲控?zé)舻碾妷憾际菢?biāo)準(zhǔn)的220v交流電，所以我國(guó)的聲控?zé)舳际且?20v交流電為標(biāo)準(zhǔn)的，通過(guò)燈泡將其轉(zhuǎn)變成直流的脈動(dòng)電壓。</p> <p>　　2、形成電流，在白天的時(shí)候，光線比較強(qiáng)的時(shí)候，聲控?zé)舻墓饷舳O管D呈現(xiàn)出底阻狀態(tài)，這時(shí)候聲控?zé)舻娜龢O管v就截止了，它的發(fā)射極沒(méi)有電流輸出。</p> <p>　　3、發(fā)光，而夜晚的時(shí)候，光線比較暗的時(shí)候，聲控?zé)舻墓饷舳O管D就呈現(xiàn)出高電阻的情況，這時(shí)候如有聲源，就會(huì)使聲控?zé)舻娜龢O管V正向?qū)?，使聲控?zé)舻臒襞莅l(fā)光。</p> <p align="center"><img class="" width="500" alt="" src="http://editerupload.eepw.com.cn/201508/a67ceed698b3b015e3f43d1b6b0d0dac.jpg" /></p> <p>　　拓展閱讀：</p> <p>　　1.<strong><a href="http://www.ex-cimer.com/article/224050.htm">LED照明產(chǎn)品的特點(diǎn)和優(yōu)點(diǎn)</a></strong></p> <p>　　2.<strong><a href="http://www.ex-cimer.com/article/218534.htm">基于555設(shè)計(jì)的聲控?zé)?/a></strong></p> <p>　　3.<strong><a href="http://www.ex-cimer.com/article/159491.htm">新型聲控?zé)舻脑O(shè)計(jì)與制作</a></strong></p> <p>　　</p></span>  <div class="9793dn9" id="coverDiv" class="article_reg" style="width:100%;overflow:hidden;display:none;z-index:10;position:absolute;left:0;background:#fff;"> <center> <img src="https://webstorage.eepw.com.cn/images/display/reg.jpg" border="0" usemap="#Map" /> <map name="Map" id="Map"> <area shape="rect" coords="133,235,319,253" target="_blank" /> <area shape="rect" coords="132,315,319,335" /> </map> </center> </div>  <span id="btjdvxb" class="hAd8"> <p><strong><span style="font-family:宋體;font-size:14px;"><strong><strong><span style="color:#ff0000;font-size:18px;">可控硅相關(guān)文章:</span><a href="http://www.ex-cimer.com/article/272916.htm" target="_blank" style="color:#ff0000;font-size:18px;">可控硅工作原理</a></strong></strong></span></strong></p></br> <p><strong><span style="font-family:宋體;font-size:14px;"><strong><strong><span style="color:#ff0000;font-size:18px;">手機(jī)電池相關(guān)文章:</span><a href="http://www.ex-cimer.com/article/272923.htm" target="_blank" style="color:#ff0000;font-size:18px;">手機(jī)電池修復(fù)</a></strong></strong></span></strong></p></br> <p><strong><span style="font-family:宋體;font-size:14px;"><strong><strong><span style="color:#ff0000;font-size:18px;">倍壓整流電路相關(guān)文章:</span><a href="http://www.ex-cimer.com/article/276333.htm" target="_blank" style="color:#ff0000;font-size:18px;">倍壓整流電路原理</a></strong></strong></span></strong></p> </br> <strong><span style="font-family:宋體;font-size:14px;"><strong><strong><span style="color:#ff0000;font-size:18px;">光控開(kāi)關(guān)相關(guān)文章:</span><a href="http://www.ex-cimer.com/article/277783.htm" target="_blank" style="color:#ff0000;font-size:18px;">光控開(kāi)關(guān)原理</a></strong></strong></span></strong> </br> <strong><span style="font-family:宋體;font-size:14px;"><strong><strong><span style="color:#ff0000;font-size:18px;">聲控?zé)粝嚓P(guān)文章:</span><a href="http://www.ex-cimer.com/article/278502.htm" target="_blank" style="color:#ff0000;font-size:18px;">聲控?zé)粼?/a></strong></strong></span></strong></br> <strong><span style="font-family:宋體;font-size:14px;"><strong><strong><span style="color:#ff0000;font-size:18px;">聲光控開(kāi)關(guān)相關(guān)文章:</span><a href="http://www.ex-cimer.com/article/278638.htm" target="_blank" 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