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</script> <script type="text/javascript"> var OBJ_TITLE = "造æˆé«˜é¢‘å˜åŽ‹å™¨å¼‚å“原因分æž?; var OBJ_ID = "246"; var MARK = "news"; var ARR_AD_MARK = ["news_detail_1", "news_detail_2", "news_detail_3"]; var SID = "0001,0002,0006"; //æƒé™ID var AUTHORITY_ID = ""; </script> <script src="/JS/Cls_jsPage.js"></script> <!--content:start--> <div class="content"> <div class="plc2"> 当å‰ä½ç½®ï¼?a href="/">首页</a> » <a href="/news/">资讯中心</a> » <a href="/News/News-0001,0002,0006.shtml"> 晨飞资讯</a> » <a href="/Article/gaopinbianyaqi_1.html">造æˆé«˜é¢‘å˜åŽ‹å™¨å¼‚å“原因分æž?/a></div> <div class="list4nr"> <div class="n_info_con" id="printableview"> <h3> 造æˆé«˜é¢‘å˜åŽ‹å™¨å¼‚å“原因分æž?/h3> <div class="info_con_tit"> <div class="info_con_tit"> <div class="n_tit"> <span>文章出处ï¼?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电å­æœ‰é™å…¬å?/a></a></span><span>网责任编辑：<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者：<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气ï¼?span id="cntrHits">-</span></span><span>å‘表时间ï¼?013-09-10 15:16:00</span> <div class="newchang"> <!-- JiaThis Button BEGIN --> <div id="ckepop"> <a href="http://www.jiathis.com/share/?uid=899792" class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank">分享到：</a> <a class="jiathis_button_qzone">QQ空间</a> <a class="jiathis_button_tsina"> 新浪微åš</a> <a class="jiathis_button_tqq">腾讯微åš</a> <a class="jiathis_button_tsohu">æœç‹å¾®åš</a> <a class="jiathis_button_t163">网易微åš</a> <a class="jiathis_button_tools_1"></a><a class="jiathis_button_tools_2"></a> </div> <script type="text/javascript"> var jiathis_config = { "data_track_clickback": true };</script> <script type="text/javascript" src="http://v2.jiathis.com/code/jia.js?uid=899792" charset="utf-8"></script> <!-- JiaThis Button END --> </div> </div> </div> </div> <div id="cntrBody"> <p>    <strong><a href="http://www.chenfeipower.com/product/product-0001,0015-1.shtml">高频å˜åŽ‹å™?/a></strong>在è¿è¡Œçš„过程中有时会å‘出噪声,产生这样的原因之一就是冷å´å™¨ã€‚主è¦æ˜¯å› ä¸ºé£Žæ‰‡ä¼šäº§ç”Ÿå™ªå£°ï¼Œäººè€³å¯¹è¿™ç§å®½å¸¦è°æ³¢å½“然比对é“心频率产生的è°æ³¢æ•æ„Ÿã€‚主导频率å–决于多ç§å› ç´ ï¼ŒåŒ…括风扇速度，å¶ç‰‡æ•°å’Œå¶ç‰‡å¤–形。声功率级å–决于风扇的数é‡ä»¥åŠè½¬é€Ÿã€‚与高频å˜åŽ‹å™¨æœ¬ä½“噪声的机ç†ä¸€æ ·ï¼Œå†·å´è£…置的噪声也是由于它们的振动而产生的，其振动的根æºåœ¨äºŽï¼š</p> <p>　　1.冷å´é£Žæ‰‡å’Œæ²¹æ³µåœ¨è¿è¡Œæ—¶äº§ç”Ÿçš„振动;</p> <p>　　2.高频å˜åŽ‹å™¨æœ¬ä½“的振动通过ç»ç¼˜æ²¹ã€ç®¡æŽ¥å¤´åŠå…¶è£…é…零件传递给冷å´è£…置，使冷å´è£…置的振动加剧，噪声加大。å¦å¤–，当é“心加热以åŽï¼Œç”±äºŽè°æŒ¯é¢‘率和机械应力的å˜åŒ–，其噪声会éšæ¸©åº¦çš„å‡é«˜è€Œå¢žå¤§ã€‚而è¿è¡ŒçŽ°åœºçš„环境（如周围的墙å£ã€å»ºç­‘物åŠå®‰è£…基础等）对噪声也有影å“。对许多强风冷å´å˜åŽ‹å™¨æ¥è¯´ï¼Œå†·å´å™¨é£Žæ‰‡æ˜¯æ¯”å˜åŽ‹å™¨æœ¬èº«æ›´æ˜Žæ˜¾çš„噪声æºã€?/p> <p>　　从高频å˜åŽ‹å™¨åˆ¶é€ å·¥è‰ºä¸Šåˆ†æžï¼Œä¸»è¦æœ‰ä¸‹åˆ—几个方é¢ï¼?/p> <p>　　1.å˜åŽ‹å™¨å·¥ä½œç£å¯†é€‰çš„太高,接近饱和,æ¼ç£å¤ªå¤§,产生噪音;</p> <p>　　2.é“心的æ质太å·?æŸè€—太é«?产生噪音;</p> <p>　　3.工作回路中è°æ³¢å«é‡ã€ç›´æµåˆ†é‡ä¹Ÿä¼šå¯¼è‡´é“心甚至线圈的噪音产生;</p> <p>　　4.å˜åŽ‹å™¨çš„制作工艺ï¼?/p> <p>　　a.线圈绕制太æ¾;</p> <p>　　b.线圈和é“心之间固定ä¸ç‰¢å›º;</p> <p>　　c.é“心固定ä¸ç‰¢å›?</p> <p>　　d.EI之间存在气隙，工作时产生“蜂鸣”;</p> <p>　　e.Eåž‹é“心外部的2片硅钢片的èˆéƒ¨ï¼Œå¤„ç†ä¸å¥½çš„è¯ï¼Œæžæ˜“产生噪éŸ?</p> <p>　　f.浸漆工艺处ç†ï¼šç»ç¼˜æ¼†çš„粘度控åˆ?</p> <p>　　g.å˜åŽ‹å™¨å¤–部金å±?导ç£çš?结构件固定ä¸ç‰¢å›º;</p> <p>　　5.如果是高压的产å“,ç»ç¼˜å¤„ç†ä¸å¥½çš„è¯,也会有噪音ã€?br />  </p> </div> <div class="apage" id="showfenye"> <!--资讯分页:start--> <script type="text/javascript"> var pagecont=1; 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