-
摘 要 :在制(zhi)造的時(shi)候采用了(le)優質的材料,其結構緊湊,耐(nai)用,并且無焊(han)縫等特點,這(zhe)也使(shi)(shi)得風機(ji)盤管(guan)工(gong)作提(ti)供(gong)了(le)極大的便(bian)利。通過機(ji)組(zu)內不斷的再(zai)循環(huan)所在房間的空氣,使(shi)(shi)空氣通過冷水盤管(guan)后被(bei)冷卻(que),以保持(chi)房間溫度的恒定。同時(shi)風機(ji)盤管(guan)的工(gong)作還受到其他(ta)因素(su)的影響,風機(ji)盤管(guan)風量一(yi)定、供(gong)水溫度一(yi)定、供(gong)水量變化時(shi),制(zhi)
2020-12-18 -
摘 要 :直(zhi)流(liu)發電(dian)(dian)(dian)(dian)(dian)機的(de)(de)工作原(yuan)理(li)就是把電(dian)(dian)(dian)(dian)(dian)樞線圈中感(gan)應的(de)(de)交變電(dian)(dian)(dian)(dian)(dian)動勢(shi)(shi), 靠換(huan)向器(qi)配(pei)合電(dian)(dian)(dian)(dian)(dian)刷的(de)(de)換(huan)向作用,使(shi)之從電(dian)(dian)(dian)(dian)(dian)刷端引出時變為直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)動勢(shi)(shi)的(de)(de)原(yuan)理(li)。 感(gan)應電(dian)(dian)(dian)(dian)(dian)動勢(shi)(shi)的(de)(de)方向按右手定(ding)則確定(ding)(磁感(gan)線指向手心,大(da)拇(mu)指指向導體運動方向,其他四指的(de)(de)指向就是導體中感(gan)應電(dian)(dian)(dian)(dian)(dian)動勢(shi)(shi)的(de)(de)方向)。 直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)動機的(de)(de)工作原(yuan)理(li)
2020-12-18 -
摘 要 :屋頂(ding)式空(kong)調機組,其(qi)(qi)是(shi)指什么?此外(wai),對于它,也就(jiu)是(shi)這一(yi)網(wang)站產品(pin),我們有(you)需要了解其(qi)(qi)哪些基礎等知識呢?上述(shu)問(wen)題,其(qi)(qi)都將在下面一(yi)一(yi)展開(kai),希望能給到大家一(yi)些具體(ti)(ti)有(you)用的(de),以(yi)便(bian)來更(geng)(geng)多認(ren)識網(wang)站產品(pin),可以(yi)拓(tuo)寬自己的(de)知識面,從而來了解更(geng)(geng)多。 屋頂(ding)式空(kong)調機組,其(qi)(qi)是(shi)一(yi)種大中型(xing)的(de)整體(ti)(ti)空(kong)調設(she)備。由于其(qi)(qi)通
2020-12-18 -
摘 要 :下面(mian),小編要為(wei)大(da)家介紹的是直流(liu)(liu)電動機(ji)換(huan)(huan)向(xiang)器(qi)(qi)的保養知識,希望大(da)家喜歡。 直流(liu)(liu)電動機(ji)換(huan)(huan)向(xiang)器(qi)(qi)表(biao)面(mian)應保持光潔,不得(de)有(you)(you)機(ji)械損(sun)傷和(he)火花灼(zhuo)(zhuo)痕(hen)。如有(you)(you)輕微灼(zhuo)(zhuo)痕(hen)時,可用(yong)0號(hao)砂(sha)紙(zhi)在(zai)低速旋轉的直流(liu)(liu)電動機(ji)換(huan)(huan)向(xiang)器(qi)(qi)表(biao)面(mian)仔細研磨。如直流(liu)(liu)電動機(ji)換(huan)(huan)向(xiang)器(qi)(qi)表(biao)面(mian)出現嚴(yan)重的灼(zhuo)(zhuo)痕(hen)或(huo)粗糙不平、表(biao)面(mian)不圓(yuan)或(huo)有(you)(you)局部凸(tu)凹等現象時,
2020-12-18 -
摘 要(yao) :風機盤(pan)管供(gong)熱(re)(re)環境條件是指物理參數(shu)對(dui)人體(ti)的熱(re)(re)舒(shu)適性所發(fa)生的綜(zong)合作用(yong)。這些物理參數(shu)中主要(yao)包括空(kong)氣干球溫(wen)度、空(kong)氣的相對(dui)濕(shi)度,空(kong)氣流(liu)動速度、平均輻射溫(wen)度、人體(ti)的代(dai)謝量及(ji)衣(yi)著(zhu)等(deng)六(liu)項。其中,空(kong)氣的溫(wen)度及(ji)流(liu)動速度風機盤(pan)管進、出水(shui)溫(wen)差增大時,水(shui)量減少,換熱(re)(re)盤(pan)管的傳(chuan)熱(re)(re)系數(shu)隨(sui)著(zhu)減小。另外(wai),傳(chuan)熱(re)(re)溫(wen)差也
2020-12-18 -
摘 要 :多(duo)葉排煙(yan)口(kou)的主要組成部件(jian)包(bao)括哪幾部分 多(duo)葉排煙(yan)口(kou)結構(gou) 主要部件(jian):閥體(ti)、閥片、軸襯、薄形執行機構(gou)、格柵面板(ban)。 多(duo)葉排煙(yan)口(kou)一般安裝(zhuang)在過道或防煙(yan)前室及(ji)無窗(chuang)房間的排煙(yan)系統上。加壓(ya)送風口(kou)安裝(zhuang)在防煙(yan)前室內,火災發生時在前室內形成正(zheng)壓(ya)。采用SD控制裝(zhuang)置,電(dian)源(yuan)DC24V,0.5
2020-12-18 -
摘 要 :一、交(jiao)流異(yi)步(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動機(ji)(ji) 交(jiao)流異(yi)步(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)是領先交(jiao)流電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓運行的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動機(ji)(ji),廣泛應用于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)風扇、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)冰箱、洗(xi)衣機(ji)(ji)、空調器(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)吹(chui)風、吸塵器(qi)(qi)、油煙機(ji)(ji)、洗(xi)碗機(ji)(ji)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動縫紉機(ji)(ji)、食品加(jia)工機(ji)(ji)等(deng)家用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)及各種電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動工具、小(xiao)型(xing)機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)備中(zhong)。 交(jiao)流電(dian)(dian)(dian)(dian)(dian)(dian)(dian)異(yi)步(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)分為感應電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)和交(jiao)流換向(xiang)器(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)。感應電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動機(ji)(ji)又(you)分為單(dan)相(xiang)
2020-12-18 -
摘(zhai) 要 :直流電(dian)動(dong)機軸承(cheng)過緊的(de)(de)原(yuan)因(yin): 1.工(gong)作(zuo)人員怕車廢(fei)端蓋(gai)軸承(cheng)室,直流電(dian)動(dong)機修理(li)時要使(shi)軸承(cheng)外(wai)圈(quan)與端蓋(gai)配(pei)(pei)合公(gong)(gong)差(cha)合適。偏(pian)重采用公(gong)(gong)差(cha)范圍的(de)(de)下限,不愿車到(dao)上限,這樣就使(shi)軸承(cheng)室直徑(jing)偏(pian)小,增大(da)了與軸承(cheng)外(wai)圈(quan)配(pei)(pei)合的(de)(de)過盈量; 2.修理(li)工(gong)人對于適當減(jian)少配(pei)(pei)合公(gong)(gong)差(cha)的(de)(de)最大(da)過盈量對軸承(cheng)減(jian)少噪聲有好處的(de)(de)認識(shi)不
2020-12-18 -
摘 要 :同(tong)步(bu)(bu)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)和感(gan)應(ying)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)一樣是(shi)一種常(chang)用的(de)交流(liu)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)。特點是(shi):穩態(tai)運行(xing)時,轉子的(de)轉速(su)和電(dian)(dian)(dian)網(wang)頻率之間又不(bu)變得關系n=ns=60f/p,ns成為(wei)同(tong)步(bu)(bu)轉速(su)。若電(dian)(dian)(dian)網(wang)的(de)頻率不(bu)變,則穩態(tai)時同(tong)步(bu)(bu)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)轉速(su)恒為(wei)常(chang)數(shu)而與負載的(de)大小無關。同(tong)步(bu)(bu)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)分為(wei)同(tong)步(bu)(bu)發(fa)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)和同(tong)步(bu)(bu)電(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)。現代發(fa)電(dian)(dian)(dian)廠中的(de)交流(liu)機(ji)(ji)(ji)(ji)以同(tong)步(bu)(bu)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)為(wei)主(zhu)。
2020-12-18 -
摘 要(yao) :風(feng)機(ji)(ji)盤管(guan)電機(ji)(ji)是(shi)一種(zhong)旋轉式機(ji)(ji)器,它將(jiang)電能(neng)轉變(bian)為(wei)機(ji)(ji)械能(neng),它主要(yao)包(bao)括一個用(yong)以(yi)產生磁場的電磁鐵繞(rao)組(zu)或(huo)分(fen)布的定子(zi)繞(rao)組(zu)和一個旋轉電樞(shu)或(huo)轉子(zi),其導線中有電流通(tong)過并(bing)受(shou)磁場的作(zuo)用(yong)而(er)使轉動,這些機(ji)(ji)器中有些類型可作(zuo)電動機(ji)(ji)用(yong),也可作(zuo)發(fa)電機(ji)(ji)用(yong)。 風(feng)機(ji)(ji)盤管(guan)電機(ji)(ji)是(shi)將(jiang)電能(neng)轉變(bian)為(wei)機(ji)(ji)械能(neng)的一種(zhong)機(ji)(ji)器。通(tong)常電動機(ji)(ji)
2020-12-18